message stringlengths 2 16.2k | message_type stringclasses 2 values | message_id int64 0 1 | conversation_id int64 575 109k | cluster float64 16 16 | __index_level_0__ int64 1.15k 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a permutation (P_0,P_1,\cdots,P_{N-1}) of (0,1,\cdots,N-1).
Now, he will perform the following operation exactly once:
* Choose K consecutive elements in P and sort them in ascending order.
Find the number of permutations that can be produced as P after the operation.
Constraints
* 2 \leq N \leq 200000
* 2 \leq K \leq N
* 0 \leq P_i \leq N-1
* P_0,P_1,\cdots,P_{N-1} are all different.
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N K
P_0 P_1 \cdots P_{N-1}
Output
Print the number of permutations that can be produced as P after the operation.
Examples
Input
5 3
0 2 1 4 3
Output
2
Input
4 4
0 1 2 3
Output
1
Input
10 4
2 0 1 3 7 5 4 6 8 9
Output
6
Submitted Solution:
```
N, K = map(int, input().split())
# セグメント木(min, max)
N += 1
N0 = 2**(N-1).bit_length()
INF = float('inf')
minST = [INF]*(2*N0)
def update_min(k, x):
k += N0-1
minST[k] = x
while k >= 0:
k = (k - 1) // 2
minST[k] = min(minST[2*k+1], minST[2*k+2])
def query_min(l, r):
L = l + N0; R = r + N0
s = INF
while L < R:
if R & 1:
R -= 1
s = min(s, minST[R-1])
if L & 1:
s = min(s, minST[L-1])
L += 1
L >>= 1; R >>= 1
return s
MINF = float('-inf')
maxST = [MINF]*(2*N0)
def update_max(k, x):
k += N0-1
maxST[k] = x
while k >= 0:
k = (k - 1) // 2
maxST[k] = max(maxST[2*k+1], maxST[2*k+2])
def query_max(l, r):
L = l + N0; R = r + N0
s = MINF
while L < R:
if R & 1:
R -= 1
s = max(s, maxST[R-1])
if L & 1:
s = max(s, maxST[L-1])
L += 1
L >>= 1; R >>= 1
return s
Ps = list(map(int, input().split())) + [-1]
sorted_lens = []
tmp = 0
prev = -1
for i, p in enumerate(Ps):
update_min(i, p)
update_max(i, p)
if prev > p:
tmp = 0
tmp += 1
sorted_lens.append(tmp)
prev = p
ans = N-K
flag = False
for i in range(N-K):
smin = query_min(i, i+K+1)
smax = query_max(i, i+K+1)
if (smin == Ps[i] and smax == Ps[i+K]) or (flag and sorted_lens[i+K] >= K):
ans -= 1
if sorted_lens[i+K-1] == K:
flag = True
print(ans)
``` | instruction | 0 | 67,031 | 16 | 134,062 |
Yes | output | 1 | 67,031 | 16 | 134,063 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a permutation (P_0,P_1,\cdots,P_{N-1}) of (0,1,\cdots,N-1).
Now, he will perform the following operation exactly once:
* Choose K consecutive elements in P and sort them in ascending order.
Find the number of permutations that can be produced as P after the operation.
Constraints
* 2 \leq N \leq 200000
* 2 \leq K \leq N
* 0 \leq P_i \leq N-1
* P_0,P_1,\cdots,P_{N-1} are all different.
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N K
P_0 P_1 \cdots P_{N-1}
Output
Print the number of permutations that can be produced as P after the operation.
Examples
Input
5 3
0 2 1 4 3
Output
2
Input
4 4
0 1 2 3
Output
1
Input
10 4
2 0 1 3 7 5 4 6 8 9
Output
6
Submitted Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,copy,functools
import time,random
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 10**9+7
dd = [(-1,0),(0,1),(1,0),(0,-1)]
ddn = [(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)]
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(): return [list(map(int, l.split())) for l in sys.stdin.readlines()]
def LI_(): return [int(x)-1 for x in sys.stdin.readline().split()]
def LF(): return [float(x) for x in sys.stdin.readline().split()]
def LS(): return sys.stdin.readline().split()
def I(): return int(sys.stdin.readline())
def F(): return float(sys.stdin.readline())
def S(): return input()
def pf(s): return print(s, flush=True)
def pe(s): return print(str(s), file=sys.stderr)
def JA(a, sep): return sep.join(map(str, a))
def JAA(a, s, t): return s.join(t.join(map(str, b)) for b in a)
def ff(n,k,p):
s = set()
for i in range(n-k+1):
t = tuple(p[:i] + sorted(p[i:i+k]) + p[i+k:])
s.add(t)
return len(s)
def main():
n,k = LI()
p = LI()
qc = [None] * n
for i in range(n-1):
if p[i] > p[i+1]:
qc[i+1] = True
ec = -1
iq = []
aq = []
for i in range(k):
if qc[i]:
ec = i
heapq.heappush(iq,p[i])
heapq.heappush(aq,-p[i])
r = 0
if ec > 0:
r += 1
s = set()
for i in range(k,n):
if qc[i]:
ec = i
t = p[i]
u = p[i-k]
heapq.heappush(iq,t)
while iq[0] in s:
heapq.heappop(iq)
while -aq[0] in s:
heapq.heappop(aq)
heapq.heappush(aq,-t)
if iq[0] != u or aq[0] != -t:
if ec > i - k + 1:
r += 1
s.add(u)
rr = 0
c = 1
for i in range(1,n):
if p[i] > p[i-1]:
c += 1
if c >= k:
rr = 1
break
else:
c = 1
return r + rr
print(main())
``` | instruction | 0 | 67,032 | 16 | 134,064 |
Yes | output | 1 | 67,032 | 16 | 134,065 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a permutation (P_0,P_1,\cdots,P_{N-1}) of (0,1,\cdots,N-1).
Now, he will perform the following operation exactly once:
* Choose K consecutive elements in P and sort them in ascending order.
Find the number of permutations that can be produced as P after the operation.
Constraints
* 2 \leq N \leq 200000
* 2 \leq K \leq N
* 0 \leq P_i \leq N-1
* P_0,P_1,\cdots,P_{N-1} are all different.
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N K
P_0 P_1 \cdots P_{N-1}
Output
Print the number of permutations that can be produced as P after the operation.
Examples
Input
5 3
0 2 1 4 3
Output
2
Input
4 4
0 1 2 3
Output
1
Input
10 4
2 0 1 3 7 5 4 6 8 9
Output
6
Submitted Solution:
```
N, K = map(int, input().split())
arr = list(map(int, input().split()))
def is_sorted(sub_arr):
for i in range(1, len(sub_arr)):
if sub_arr[i] < sub_arr[i-1]:
return False
return True
prev_sorted = is_sorted(arr[:K])
up_count = 1
for i in range(K-1,1,-1):
if arr[i] > arr[i-1]:
up_count += 1
else:
break
if prev_sorted:
sort_count = 1
else:
sort_count = 0
count = 1
for i in range(K, N):
sub = sorted(arr[i-K:i])
if arr[i] > sub[-1]:
if up_count == K-1:
prev_sorted = True
sort_count += 1
else:
up_count = (up_count+1)%K
if not prev_sorted:
if arr[i-K] == sub[0]:
pass
else:
count += 1
else:
up_count = 1
count += 1
prev_sorted = False
count -= max(0,(sort_count - 1))
print(max(1, count))
``` | instruction | 0 | 67,033 | 16 | 134,066 |
No | output | 1 | 67,033 | 16 | 134,067 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a permutation (P_0,P_1,\cdots,P_{N-1}) of (0,1,\cdots,N-1).
Now, he will perform the following operation exactly once:
* Choose K consecutive elements in P and sort them in ascending order.
Find the number of permutations that can be produced as P after the operation.
Constraints
* 2 \leq N \leq 200000
* 2 \leq K \leq N
* 0 \leq P_i \leq N-1
* P_0,P_1,\cdots,P_{N-1} are all different.
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N K
P_0 P_1 \cdots P_{N-1}
Output
Print the number of permutations that can be produced as P after the operation.
Examples
Input
5 3
0 2 1 4 3
Output
2
Input
4 4
0 1 2 3
Output
1
Input
10 4
2 0 1 3 7 5 4 6 8 9
Output
6
Submitted Solution:
```
def InputToInt():
A = input().split()
for i in range(len(A)):
A[i] = int(A[i])
return A
if __name__ == '__main__':
N, K = InputToInt()
P = InputToInt()
c = 1
for i in range(N-K):
if P[i] > P[i+1] or P[i+K-1] > P[i+K]:
c += 1
print(c)
``` | instruction | 0 | 67,034 | 16 | 134,068 |
No | output | 1 | 67,034 | 16 | 134,069 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a permutation (P_0,P_1,\cdots,P_{N-1}) of (0,1,\cdots,N-1).
Now, he will perform the following operation exactly once:
* Choose K consecutive elements in P and sort them in ascending order.
Find the number of permutations that can be produced as P after the operation.
Constraints
* 2 \leq N \leq 200000
* 2 \leq K \leq N
* 0 \leq P_i \leq N-1
* P_0,P_1,\cdots,P_{N-1} are all different.
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N K
P_0 P_1 \cdots P_{N-1}
Output
Print the number of permutations that can be produced as P after the operation.
Examples
Input
5 3
0 2 1 4 3
Output
2
Input
4 4
0 1 2 3
Output
1
Input
10 4
2 0 1 3 7 5 4 6 8 9
Output
6
Submitted Solution:
```
s = input().split(" ")
n = int(s[0])
k = int(s[1])
sp = input().split(" ")
p = [int(pstr) for pstr in sp]
num = 0
ident = False
before_sort = False
M = max(p[:k])
m = min(p[:k])
before_sort_i = 0
for i in range(n - k + 1):
if before_sort:
if p[i + k - 1] < p[i + k - 2]:
M = p[i + k - 2]
num += 1
before_sort = False
else:
M = p[i + k - 1]
before_sort_i += 1
m = p[i]
continue
else:
if before_sort_i + k <= i or i <= k:
for j in range(k - 1):
if p[i + j] > p[i + j +1]:
break
else:
if M == p[i - 1] or M < p[i + k - 2]:
M = max(p[i:i + k - 1])
if m == p[i - 1] or m > p[i + k - 2]:
m = min(p[i:i + k - 1])
if not ident:
ident = True
num += 1
before_sort = True
before_sort_i = i
continue
if i == 0:
num += 1
continue
if M == p[i - 1] or M < p[i + k - 2]:
M = max(p[i:i + k - 1])
if m == p[i - 1] or m > p[i + k - 2]:
m = min(p[i:i + k - 1])
if p[i - 1] > m or p[i + k - 1] < M:
num += 1
else:
if M == p[i - 1] or M < p[i + k - 2]:
M = max(p[i:i + k - 1])
if m == p[i - 1] or m > p[i + k - 2]:
m = min(p[i:i + k - 1])
if p[i - 1] > m or p[i + k - 1] < M:
num += 1
if p[i + k - 1] <p[i + k - 2]:
before_sort_i = i - 1
print(num)
``` | instruction | 0 | 67,035 | 16 | 134,070 |
No | output | 1 | 67,035 | 16 | 134,071 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a permutation (P_0,P_1,\cdots,P_{N-1}) of (0,1,\cdots,N-1).
Now, he will perform the following operation exactly once:
* Choose K consecutive elements in P and sort them in ascending order.
Find the number of permutations that can be produced as P after the operation.
Constraints
* 2 \leq N \leq 200000
* 2 \leq K \leq N
* 0 \leq P_i \leq N-1
* P_0,P_1,\cdots,P_{N-1} are all different.
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N K
P_0 P_1 \cdots P_{N-1}
Output
Print the number of permutations that can be produced as P after the operation.
Examples
Input
5 3
0 2 1 4 3
Output
2
Input
4 4
0 1 2 3
Output
1
Input
10 4
2 0 1 3 7 5 4 6 8 9
Output
6
Submitted Solution:
```
N,K = map(int,input().split())
P = list(map(int,input().split()))
cnt = 1
flag = False
for i in range(N-K+1):
if i == 0:
pass
else:
#print(i,sorted(P[i-1:i+K-1])[1:] + [P[i+K-1]],P[i:i+K])
if sorted(P[i:i+K])==P[i:i+K] and flag == False:
flag = True
cnt += 1
elif sorted(P[i:i+K])!=P[i:i+K] and sorted(P[i-1:i+K-1])[1:]+[P[i+K-1]] !=sorted(P[i:i+K]):
cnt += 1
print(cnt)
``` | instruction | 0 | 67,036 | 16 | 134,072 |
No | output | 1 | 67,036 | 16 | 134,073 |
Provide a correct Python 3 solution for this coding contest problem.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No | instruction | 0 | 68,797 | 16 | 137,594 |
"Correct Solution:
```
x,y=map(int,input().split())
l1=[1,3,5,7,8,10,12]
l2=[4,6,9,11]
print("Yes" if (x in l1 and y in l1) or (x in l2 and y in l2) else "No")
``` | output | 1 | 68,797 | 16 | 137,595 |
Provide a correct Python 3 solution for this coding contest problem.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No | instruction | 0 | 68,798 | 16 | 137,596 |
"Correct Solution:
```
g = [-1, 0, 2, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0]
x, y = map(int, input().split())
if g[x] == g[y]: print('Yes')
else: print('No')
``` | output | 1 | 68,798 | 16 | 137,597 |
Provide a correct Python 3 solution for this coding contest problem.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No | instruction | 0 | 68,799 | 16 | 137,598 |
"Correct Solution:
```
s=[0,0,2,0,1,0,1,0,0,1,0,1,0]
a,b=map(int,input().split())
print("Yes" if s[a]==s[b] else "No")
``` | output | 1 | 68,799 | 16 | 137,599 |
Provide a correct Python 3 solution for this coding contest problem.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No | instruction | 0 | 68,800 | 16 | 137,600 |
"Correct Solution:
```
print(' YNeos'[len(set([2 if i in [2] else 1 if i in [4,6,9,11] else 0 for i in list(map(int,input().split()))]))::2])
``` | output | 1 | 68,800 | 16 | 137,601 |
Provide a correct Python 3 solution for this coding contest problem.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No | instruction | 0 | 68,801 | 16 | 137,602 |
"Correct Solution:
```
x, y = map(int, input().split())
a = [0, 2, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0]
print('Yes' if a[x - 1] == a[y - 1] else 'No')
``` | output | 1 | 68,801 | 16 | 137,603 |
Provide a correct Python 3 solution for this coding contest problem.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No | instruction | 0 | 68,802 | 16 | 137,604 |
"Correct Solution:
```
a = [0,2,0,1,0,1,0,0,1,0,1,0]
x,y = map(int, input().split())
if a[x-1] == a[y-1]:
print("Yes")
else :
print("No")
``` | output | 1 | 68,802 | 16 | 137,605 |
Provide a correct Python 3 solution for this coding contest problem.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No | instruction | 0 | 68,803 | 16 | 137,606 |
"Correct Solution:
```
N = {int(s) for s in input().split()}
print('Yes' if 2 not in N and len({4,6,9,11} & N) != 1 else 'No')
``` | output | 1 | 68,803 | 16 | 137,607 |
Provide a correct Python 3 solution for this coding contest problem.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No | instruction | 0 | 68,804 | 16 | 137,608 |
"Correct Solution:
```
x, y = map(int, input().split())
group = 'acababaababa'
print('Yes' if group[x-1] == group[y-1] else 'No')
``` | output | 1 | 68,804 | 16 | 137,609 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No
Submitted Solution:
```
d=[0,0,1,0,2,0,2,0,0,2,0,2,0]
a,b=map(int,input().split())
if d[a]==d[b]:
print("Yes")
else:
print("No")
``` | instruction | 0 | 68,805 | 16 | 137,610 |
Yes | output | 1 | 68,805 | 16 | 137,611 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No
Submitted Solution:
```
S=[0, 2, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0]
a,b=[int(x) for x in input().split()]
if(S[a-1]==S[b-1]):
print("Yes")
else:
print("No")
``` | instruction | 0 | 68,806 | 16 | 137,612 |
Yes | output | 1 | 68,806 | 16 | 137,613 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No
Submitted Solution:
```
p = [0, 1, 3, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1]
x, y = list(map(int, input().split()))
if p[x] == p[y]:
print("Yes")
else:
print("No")
``` | instruction | 0 | 68,807 | 16 | 137,614 |
Yes | output | 1 | 68,807 | 16 | 137,615 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No
Submitted Solution:
```
x,y=map(int, input().split())
a = {1,3,5,7,8,10,12}
b = {4,6,9,11}
print('Yes' if {x,y}<=a or {x,y}<=b else 'No')
``` | instruction | 0 | 68,808 | 16 | 137,616 |
Yes | output | 1 | 68,808 | 16 | 137,617 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No
Submitted Solution:
```
l1 = [1,3,5,7,8,10,12]
l2 = [4,6,9,11]
l3 = [2]
n = 0
if x in l1:
if y in l1:
print ('Yes')
n = 1
elif x in l2:
if y in l2:
print ('Yes')
n = 1
else:
if y in l3:
print ('Yes')
n = 1
if n == 0:
print ('No')
``` | instruction | 0 | 68,809 | 16 | 137,618 |
No | output | 1 | 68,809 | 16 | 137,619 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No
Submitted Solution:
```
x, y = map(int, input().split())
xgroup = ''
ygroup = ''
a = [1, 3, 5, 7, 8, 10, 12]
b = [4, 9, 11]
c = [2]
for i in a:
if x == i:
xgroup = 'a'
for i in a:
if y == i:
ygroup = 'a'
for i in b:
if x == i:
xgroup = 'b'
for i in b:
if y == i:
ygroup = 'b'
for i in c:
if x == i:
xgroup = 'c'
for i in c:
if y == i:
ygroup = 'c'
if xgroup == ygroup:
print('Yes')
else:
print('No')
``` | instruction | 0 | 68,810 | 16 | 137,620 |
No | output | 1 | 68,810 | 16 | 137,621 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No
Submitted Solution:
```
import sys
x,y=map(int,input().split())
a =[(1,3,5,7,8,10,12),(4,6,9,11),(2,)]
for i in a:
print(type(i))
if x in i and y in i:
print('Yes')
sys.exit()
print('No')
``` | instruction | 0 | 68,811 | 16 | 137,622 |
No | output | 1 | 68,811 | 16 | 137,623 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
b4ab979900ed647703389d4349eb84ee.png
Constraints
* x and y are integers.
* 1 ≤ x < y ≤ 12
Input
Input is given from Standard Input in the following format:
x y
Output
If x and y belong to the same group, print `Yes`; otherwise, print `No`.
Examples
Input
1 3
Output
Yes
Input
2 4
Output
No
Submitted Solution:
```
x, y = map(int, input().split())
group_A = [1, 3, 5, 7, 8, 10, 12]
group_B = [4, 6, 9, 11]
group_C = [2]
for i in [group_A, group_B, group_C]:
if x in i and y in i:
print("YES")
break
else:
print("NO")
``` | instruction | 0 | 68,812 | 16 | 137,624 |
No | output | 1 | 68,812 | 16 | 137,625 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5 | instruction | 0 | 70,555 | 16 | 141,110 |
"Correct Solution:
```
N=int(input())
C=[int(input())-1 for i in range(N)]
mod=10**9+7
pre_dp=[0]*(max(C)+1)
dp=[0]*(N+1)
dp[0]=1
dp[1]=1
pre_dp[C[0]]=1
for i in range(1,N):
if C[i]!=C[i-1]:
dp[i+1]=(dp[i]+pre_dp[C[i]])%mod
pre_dp[C[i]]=(pre_dp[C[i]]+dp[i])%mod
else:
dp[i+1]=dp[i]
print(dp[N])
``` | output | 1 | 70,555 | 16 | 141,111 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5 | instruction | 0 | 70,556 | 16 | 141,112 |
"Correct Solution:
```
N=int(input())
A=[int(input()) for _ in range(N)]
mod=10**9+7
B=[A[0]-1]
for i in range(1,N):
if A[i]!=A[i-1]:
B.append(A[i]-1)
n=len(B)
used=[-1]*(max(A)+1)
used[B[0]]=0
dp=[0]*n
dp[0]=1
for i in range(1,n):
if used[B[i]]==-1:
dp[i]=dp[i-1]
else:
a=used[B[i]]
dp[i]=(dp[i-1]+dp[a])%mod
used[B[i]]=i
print(dp[-1])
``` | output | 1 | 70,556 | 16 | 141,113 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5 | instruction | 0 | 70,557 | 16 | 141,114 |
"Correct Solution:
```
n = int(input())
c = []
for _ in range(n):
c.append(int(input()))
mod = 10**9+7
dp = [0] * n
dp[0] = 1
pre = [-1] * n
tmp = [-1] * (2*10**5+10)
for i in range(n):
pre[i] = tmp[c[i]-1]
tmp[c[i]-1] = i
for i in range(1,n):
dp[i] = dp[i-1]
if pre[i] != -1 and c[i] != c[i-1]:
dp[i] += dp[pre[i]]
dp[i] %= mod
print(dp[-1])
``` | output | 1 | 70,557 | 16 | 141,115 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5 | instruction | 0 | 70,558 | 16 | 141,116 |
"Correct Solution:
```
mod = 10 ** 9 + 7
n = int(input())
c = [int(input()) for _ in range(n)]
import copy
cc = copy.deepcopy(c)
color_sum = {i: 0 for i in range(10 ** 6)}
dp = [1 for _ in range(n + 1)]
color_sum[cc[0]] = 1
for i in range(2, n + 1):
dp[i] = dp[i - 1]
if cc[i - 2] == cc[i - 1]:
continue
dp[i] += color_sum[cc[i - 1]]
dp[i] %= mod
color_sum[c[i - 1]] += dp[i - 1]
color_sum[c[i - 1]] %= mod
print(dp[n])
``` | output | 1 | 70,558 | 16 | 141,117 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5 | instruction | 0 | 70,559 | 16 | 141,118 |
"Correct Solution:
```
n = int(input())
oth = [int(input()) for _ in range(n)]
mod = 10**9 + 7
l = list()
for x in oth:
if l and l[-1] == x:
continue
l.append(x)
lenl = len(l)
last = [-1] * 200001
l2 = [-1] * 200001
for i, a in enumerate(l):
l2[i] = last[a]
last[a] = i
dp = [0] * lenl
dp[0] = 1
for i in range(1, lenl):
prev = 0 if l2[i] < 0 else dp[l2[i]]
dp[i] = (dp[i - 1] + prev) % mod
print(dp[-1])
``` | output | 1 | 70,559 | 16 | 141,119 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5 | instruction | 0 | 70,560 | 16 | 141,120 |
"Correct Solution:
```
MOD=10**9+7
N=int(input())
a=[int(input()) for i in range(N)]
last={}
tmp={}
ans=1
x=a[0]
last[x]=0
tmp[x]=1
for i in range(1,N):
x=a[i]
last.setdefault(x,i)
tmp.setdefault(x,0)
if last[x]!=i-1: ans+=tmp[x]
last[x]=i
tmp[x]=ans%MOD
ans=ans%MOD
print(ans)
``` | output | 1 | 70,560 | 16 | 141,121 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5 | instruction | 0 | 70,561 | 16 | 141,122 |
"Correct Solution:
```
N = int(input())
C = [int(input()) for _ in range(N)]
dp = [0 for _ in range(N)]
dp[0] = 1
MOD = 10**9 + 7
r = [-1 for _ in range(N)]
prev = [-1 for _ in range(max(C) + 1)]
for i in range(N):
if prev[C[i]] != -1 and prev[C[i]] + 1 != i:
r[prev[C[i]]] = i
prev[C[i]] = i
for i in range(N - 1):
if r[i] != -1:
dp[r[i]] += dp[i]
dp[r[i]] %= MOD
dp[i + 1] += dp[i]
dp[i + 1] %= MOD
print(dp[N-1] % MOD)
``` | output | 1 | 70,561 | 16 | 141,123 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5 | instruction | 0 | 70,562 | 16 | 141,124 |
"Correct Solution:
```
from collections import defaultdict
MOD = 10 ** 9 + 7
N = int(input())
c = [int(input()) for _ in range(N)]
dp = [0 for _ in range(N + 1)]
dp[0] = 1
d = defaultdict(lambda: -1)
for i, cc in enumerate(c, 1):
if c[i - 1] == c[i - 2]:
dp[i] = dp[i - 1]
elif d[cc] == -1:
# 初めて出現した色
dp[i] = dp[i - 1]
else:
dp[i] = dp[i - 1] + dp[d[cc]]
dp[i] %= MOD
d[cc] = i
# print(d)
# print(dp)
print(dp[N])
``` | output | 1 | 70,562 | 16 | 141,125 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5
Submitted Solution:
```
n = int(input())
mod = pow(10, 9) + 7
x = 0
c = []
for _ in range(n):
y = int(input())
if not x == y:
c.append(y)
x = y
m = len(c)
last = [-1] * (2 * pow(10, 5) + 5)
dp = [0] * m
dpsum = [0] * m
for i in range(m):
if not last[c[i]] == -1:
dp[i] = dpsum[last[c[i]]] + 1
dpsum[i] = dp[i] + dpsum[max(i - 1, 0)]
dpsum[i] %= mod
last[c[i]] = i
ans = (dpsum[-1] + 1) % mod
print(ans)
``` | instruction | 0 | 70,563 | 16 | 141,126 |
Yes | output | 1 | 70,563 | 16 | 141,127 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5
Submitted Solution:
```
# 入力
N = int(input())
C = [int(input()) for _ in range(N)]
# 現時点で最も左の、色C_iの石が存在する負のインデックス（0は存在しないことを表す）
k = [0 for _ in range((2 * 10**5) + 1)]
# 動的計画法により解を求める
dp = [0 for _ in range(N)]
k[C[-1]] = -1
dp[-1] = 1
for i in range(2, N + 1):
if k[C[-i]] == 0 or k[C[-i]] == -i + 1:
dp[-i] = dp[-i + 1]
else:
dp[-i] = (dp[-i + 1] + dp[k[C[-i]]]) % (10**9 + 7)
k[C[-i]] = -i
ans = dp[0]
# 出力
print(ans)
``` | instruction | 0 | 70,564 | 16 | 141,128 |
Yes | output | 1 | 70,564 | 16 | 141,129 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5
Submitted Solution:
```
from collections import deque
mod = 10**9 + 7
N = int(input())
C = [int(input()) for i in range(N)]
dq = deque()
dq.append(C[0])
for c in C:
if c != dq[-1]:
dq.append(c)
C = list(dq)
N = len(C)
dp = [0]*(N+1)
dp[0] = 1
acc = [0]*(2*pow(10,5)+1)
for i in range(1,N+1):
dp[i] = dp[i-1]
dp[i] += acc[C[i-1]]
dp[i] %= mod
acc[C[i-1]] += dp[i-1]
acc[C[i-1]] %= mod
ans = dp[N]
print(ans)
``` | instruction | 0 | 70,565 | 16 | 141,130 |
Yes | output | 1 | 70,565 | 16 | 141,131 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5
Submitted Solution:
```
N = int(input())
C = [int(input()) for _ in range(N)]
MOD = 10**9 + 7
dp = [0] * (N + 1)
colorToIndex = [-1] * (max(C) + 10)
colorToIndex[C[0]] = 0
dp[0] = 1
for i, color in enumerate(C[1:], start=1):
prevIndex = colorToIndex[color]
dp[i] = dp[i - 1]
if prevIndex != i - 1:
dp[i] += dp[prevIndex]
dp[i] %= MOD
colorToIndex[color] = i
ans = dp[N - 1]
print(ans)
``` | instruction | 0 | 70,566 | 16 | 141,132 |
Yes | output | 1 | 70,566 | 16 | 141,133 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5
Submitted Solution:
```
from bisect import *
mod=10**9+7
N=int(input())
c=[int(input()) for i in range(N)]
place=[[] for i in range(N+100)]
for i in range(N):
place[c[i]].append(i)
dp=[0 for i in range(N+100)]
dp[0]=1
for i in range(1,N+1):
dp[i]+=dp[i-1]
color = c[i-1]
it = bisect_left(place[color],i-1)
if it>0:
j=place[color][it -1]
if (i-1) -j>1:
dp[i]+=dp[j+1]
dp[i]%=mod
print(dp[N]%mod)
``` | instruction | 0 | 70,567 | 16 | 141,134 |
No | output | 1 | 70,567 | 16 | 141,135 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5
Submitted Solution:
```
N=int(input())
o_list=[]
for i in range(N):
o_list.append(int(input()))
def reversi(o_list):
p_list = []
p_list.append(o_list)
n_list = list(set(o_list))
if len(n_list)==1:
return [1]
for num in n_list:
num_indexes=[i for i, x in enumerate(o_list) if x == num]
for i in range(len(num_indexes)-1):
if num_indexes[i]+1 < num_indexes[i+1]:
tmp_list =o_list.copy()
change_list = [num]*(num_indexes[i+1]-num_indexes[i]+1)
tmp_list[num_indexes[i]:num_indexes[i+1]+1]=change_list
p_list.append(tmp_list)
p_list+=reversi(tmp_list)
return (p_list)
rev_list=reversi(o_list)
rev_list = [l for l in rev_list if l!=1]
len(set(tuple(row) for row in rev_list))
``` | instruction | 0 | 70,568 | 16 | 141,136 |
No | output | 1 | 70,568 | 16 | 141,137 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5
Submitted Solution:
```
from sys import stdin
input = stdin.readline
n = int(input())
L = []
dplist = [1]
last = 0
dic = {}
for i in range(n):
c = int(input())
if c not in dic:
dic[c] = 1
else:
dic[c] += 1
L.append(c)
if c == last:
dplist.append(dplist[i])
continue
last = c
re = 0
if dic[c] > 1:
for j in range(i-1):
if L[j] == c:
re += dplist[j]
dplist.append(dplist[i]+re)
print(dplist[-1] % (10**9 + 7))
``` | instruction | 0 | 70,569 | 16 | 141,138 |
No | output | 1 | 70,569 | 16 | 141,139 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the color of the chosen stones.
Find the number of possible final sequences of colors of the stones, modulo 10^9+7.
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq C_i \leq 2\times 10^5(1\leq i\leq N)
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
C_1
:
C_N
Output
Print the number of possible final sequences of colors of the stones, modulo 10^9+7.
Examples
Input
5
1
2
1
2
2
Output
3
Input
6
4
2
5
4
2
4
Output
5
Input
7
1
3
1
2
3
3
2
Output
5
Submitted Solution:
```
import sys
input=sys.stdin.readline
N=int(input())
L=[]
for i in range(N):
n=int(input())
L.append(n)
dp=[0 for i in range(N)]
dp[0]=1
D=dict()
D[L[0]]=1
for i in range(1,N):
if L[i] not in D:
D[L[i]]=1
dp[i]=dp[i-1]
else:
if L[i]==L[i-1]:
dp[i]=dp[i-1]
else:
dp[i]=dp[i-1]+D[L[i]]
D[L[i]]+=1
print(dp[-1])
``` | instruction | 0 | 70,570 | 16 | 141,140 |
No | output | 1 | 70,570 | 16 | 141,141 |
Provide a correct Python 3 solution for this coding contest problem.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111 | instruction | 0 | 70,571 | 16 | 141,142 |
"Correct Solution:
```
n = int(input())
a = 1110-n
print(a)
``` | output | 1 | 70,571 | 16 | 141,143 |
Provide a correct Python 3 solution for this coding contest problem.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111 | instruction | 0 | 70,572 | 16 | 141,144 |
"Correct Solution:
```
N = int(input())
result = 1110 - N
print(result)
``` | output | 1 | 70,572 | 16 | 141,145 |
Provide a correct Python 3 solution for this coding contest problem.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111 | instruction | 0 | 70,573 | 16 | 141,146 |
"Correct Solution:
```
print(input().replace("1","2").replace("9","1").replace("2","9"))
``` | output | 1 | 70,573 | 16 | 141,147 |
Provide a correct Python 3 solution for this coding contest problem.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111 | instruction | 0 | 70,574 | 16 | 141,148 |
"Correct Solution:
```
print(str(1110-int(input())))
``` | output | 1 | 70,574 | 16 | 141,149 |
Provide a correct Python 3 solution for this coding contest problem.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111 | instruction | 0 | 70,575 | 16 | 141,150 |
"Correct Solution:
```
print(input().translate(str.maketrans('19', '91')))
``` | output | 1 | 70,575 | 16 | 141,151 |
Provide a correct Python 3 solution for this coding contest problem.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111 | instruction | 0 | 70,576 | 16 | 141,152 |
"Correct Solution:
```
S = input()
for i in S:
print(10 - int(i),end='')
print()
``` | output | 1 | 70,576 | 16 | 141,153 |
Provide a correct Python 3 solution for this coding contest problem.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111 | instruction | 0 | 70,577 | 16 | 141,154 |
"Correct Solution:
```
x=int(input())
print(1110-x)
``` | output | 1 | 70,577 | 16 | 141,155 |
Provide a correct Python 3 solution for this coding contest problem.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111 | instruction | 0 | 70,578 | 16 | 141,156 |
"Correct Solution:
```
T=int(input())
print(1110-T)
``` | output | 1 | 70,578 | 16 | 141,157 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111
Submitted Solution:
```
s = input()
print(s.translate(str.maketrans({"1": "9", "9": "1"})))
``` | instruction | 0 | 70,579 | 16 | 141,158 |
Yes | output | 1 | 70,579 | 16 | 141,159 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111
Submitted Solution:
```
#coding: utf-8
print(1110 - int(input()))
``` | instruction | 0 | 70,580 | 16 | 141,160 |
Yes | output | 1 | 70,580 | 16 | 141,161 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111
Submitted Solution:
```
n = input()
print(n.translate(str.maketrans({'9':'1', '1':'9'})))
``` | instruction | 0 | 70,581 | 16 | 141,162 |
Yes | output | 1 | 70,581 | 16 | 141,163 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Cat Snuke is learning to write characters. Today, he practiced writing digits `1` and `9`, but he did it the other way around.
You are given a three-digit integer n written by Snuke. Print the integer obtained by replacing each digit `1` with `9` and each digit `9` with `1` in n.
Constraints
* 111 \leq n \leq 999
* n is an integer consisting of digits `1` and `9`.
Input
Input is given from Standard Input in the following format:
n
Output
Print the integer obtained by replacing each occurrence of `1` with `9` and each occurrence of `9` with `1` in n.
Examples
Input
119
Output
991
Input
999
Output
111
Submitted Solution:
```
print("".join([{"1":"9","9":"1"}[s] for s in input()]))
``` | instruction | 0 | 70,582 | 16 | 141,164 |
Yes | output | 1 | 70,582 | 16 | 141,165 |
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