message stringlengths 2 59.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 37 108k | cluster float64 20 20 | __index_level_0__ int64 74 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luke Skywalker gave Chewbacca an integer number x. Chewbacca isn't good at numbers but he loves inverting digits in them. Inverting digit t means replacing it with digit 9 - t.
Help Chewbacca ... | instruction | 0 | 61,852 | 20 | 123,704 |
No | output | 1 | 61,852 | 20 | 123,705 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luke Skywalker gave Chewbacca an integer number x. Chewbacca isn't good at numbers but he loves inverting digits in them. Inverting digit t means replacing it with digit 9 - t.
Help Chewbacca ... | instruction | 0 | 61,853 | 20 | 123,706 |
No | output | 1 | 61,853 | 20 | 123,707 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luke Skywalker gave Chewbacca an integer number x. Chewbacca isn't good at numbers but he loves inverting digits in them. Inverting digit t means replacing it with digit 9 - t.
Help Chewbacca ... | instruction | 0 | 61,854 | 20 | 123,708 |
No | output | 1 | 61,854 | 20 | 123,709 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luke Skywalker gave Chewbacca an integer number x. Chewbacca isn't good at numbers but he loves inverting digits in them. Inverting digit t means replacing it with digit 9 - t.
Help Chewbacca ... | instruction | 0 | 61,855 | 20 | 123,710 |
No | output | 1 | 61,855 | 20 | 123,711 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a positive integer n greater or equal to 2. For every pair of integers a and b (2 ≤ |a|, |b| ≤ n), you can transform a into b if and only if there exists an integer x such that 1 < |x| and (a ⋅ x = b or b ⋅ x = a), where |x| de... | instruction | 0 | 62,294 | 20 | 124,588 |
Tags: dfs and similar, graphs, implementation, math
Correct Solution:
```
# TAIWAN NUMBER ONE!!!!!!!!!!!!!!!!!!!
# TAIWAN NUMBER ONE!!!!!!!!!!!!!!!!!!!
# TAIWAN NUMBER ONE!!!!!!!!!!!!!!!!!!!
from sys import stdin, stdout
import collections
N = int(input())
#s = input()
#N,Q = [int(x) for x in stdin.readline().split()]... | output | 1 | 62,294 | 20 | 124,589 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrey's favourite number is n. Andrey's friends gave him two identical numbers n as a New Year present. He hung them on a wall and watched them adoringly.
Then Andrey got bored from looking at the same number and he started to swap digits ... | instruction | 0 | 62,477 | 20 | 124,954 |
Tags: greedy
Correct Solution:
```
import itertools
def countZeroes(s):
ret = 0
for i in s:
if i != '0':
break
ret += 1
return ret
def stupid(n):
ansMax = 0
bn1 = n
bn2 = n
for n1 in itertools.permutations(n):
for n2 in itertools.permutations(n):
... | output | 1 | 62,477 | 20 | 124,955 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrey's favourite number is n. Andrey's friends gave him two identical numbers n as a New Year present. He hung them on a wall and watched them adoringly.
Then Andrey got bored from looking at... | instruction | 0 | 62,478 | 20 | 124,956 |
No | output | 1 | 62,478 | 20 | 124,957 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya is sitting on an extremely boring math class. To have fun, he took a piece of paper and wrote out n numbers on a single line. After that, Vasya began to write out different ways to put pluses ("+") in the line between certain digits in... | instruction | 0 | 62,724 | 20 | 125,448 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
n, k = map(int, input().split())
t = list(map(int, input()))
p, d = 1, 10 ** 9 + 7
s, f = 0, [1] * n
for i in range(2, n): f[i] = (i * f[i - 1]) % d
c = lambda a, b: 0 if a > b else (f[b] * pow(f[a] * f[b - a], d - 2, d)) % d
if k:
u = [0] * (n + 1)... | output | 1 | 62,724 | 20 | 125,449 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya is sitting on an extremely boring math class. To have fun, he took a piece of paper and wrote out n numbers on a single line. After that, Vasya began to write out different ways to put pluses ("+") in the line between certain digits in... | instruction | 0 | 62,725 | 20 | 125,450 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
n, k = map(int, input().split())
t = list(map(int, input()))
p, d = 1, 10**9 + 7
s = 0
f = [1] * n
for i in range(2, n):
f[i] = (i * f[i - 1]) % d
c = lambda a, b: 0 if a > b else (f[b] * pow(f[a] * f[b -a], d - 2, d)) % d
if k:
u = [0] * (n + 1)
... | output | 1 | 62,725 | 20 | 125,451 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya is sitting on an extremely boring math class. To have fun, he took a piece of paper and wrote out n numbers on a single line. After that, Vasya began to write out different ways to put pluses ("+") in the line between certain digits in... | instruction | 0 | 62,726 | 20 | 125,452 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
n, k = map(int, input().split())
t = list(map(int, input()))
p, d = 1, 10 ** 9 + 7
s, f = 0, [1] * n
for i in range(2, n): f[i] = (i * f[i - 1]) % d
c = lambda a, b: 0 if a > b else (f[b] * pow(f[a] * f[b - a], d - 2, d)) % d
if k:
u = [0] * ... | output | 1 | 62,726 | 20 | 125,453 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya is sitting on an extremely boring math class. To have fun, he took a piece of paper and wrote out n numbers on a single line. After that, Vasya began to write out different ways to put pluses ("+") in the line between certain digits in... | instruction | 0 | 62,727 | 20 | 125,454 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
n, k = map(int, input().split())
t = list(map(int, input()))
s = 0
d = 10 ** 9 + 7
f = [1] * n
for i in range(2, n): f[i] = (i * f[i - 1]) % d
c = lambda a, b: 0 if a > b else (f[b] * pow(f[a] * f[b - a], d - 2, d)) % d
if k:
p = [1] * (n + 1)
... | output | 1 | 62,727 | 20 | 125,455 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya is sitting on an extremely boring math class. To have fun, he took a piece of paper and wrote out n numbers on a single line. After that, Vasya began to write out different ways to put plu... | instruction | 0 | 62,728 | 20 | 125,456 |
No | output | 1 | 62,728 | 20 | 125,457 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya is sitting on an extremely boring math class. To have fun, he took a piece of paper and wrote out n numbers on a single line. After that, Vasya began to write out different ways to put plu... | instruction | 0 | 62,729 | 20 | 125,458 |
No | output | 1 | 62,729 | 20 | 125,459 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya is sitting on an extremely boring math class. To have fun, he took a piece of paper and wrote out n numbers on a single line. After that, Vasya began to write out different ways to put plu... | instruction | 0 | 62,730 | 20 | 125,460 |
No | output | 1 | 62,730 | 20 | 125,461 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya is sitting on an extremely boring math class. To have fun, he took a piece of paper and wrote out n numbers on a single line. After that, Vasya began to write out different ways to put plu... | instruction | 0 | 62,731 | 20 | 125,462 |
No | output | 1 | 62,731 | 20 | 125,463 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. What is the smallest positive pretty integer?
... | instruction | 0 | 62,825 | 20 | 125,650 |
Tags: brute force, implementation
Correct Solution:
```
n, m = map(int, input().split())
N = set(map(int, input().split()))
M = set(map(int, input().split()))
mn = min(N)
mm = min(M)
N.intersection_update(M)
if len(N) == 0:
if mn < mm:
print(str(mn) + str(mm))
elif mm < mn:
print(str(mm) + str(m... | output | 1 | 62,825 | 20 | 125,651 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. What is the smallest positive pretty integer?
... | instruction | 0 | 62,826 | 20 | 125,652 |
Tags: brute force, implementation
Correct Solution:
```
_ = input()
lst = []
for _ in range(2):
lst.append(list(map(int, input().split())))
a = set(lst[0]) & set(lst[1])
num = [min(lst[0]), min(lst[1])]
num.sort()
if len(a) and (min(a) < (num[0] * 10 + num[1])):
print(min(a))
elif num[0] == num[1]:
pr... | output | 1 | 62,826 | 20 | 125,653 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. What is the smallest positive pretty integer?
... | instruction | 0 | 62,827 | 20 | 125,654 |
Tags: brute force, implementation
Correct Solution:
```
n,m=map(int,input().split())
a=set(map(int,input().split()))
b=set(map(int,input().split()))
if a&b:
print(min(a&b))
else:
x=min(a)
y=min(b)
print(min(x,y)*10+max(x,y))
``` | output | 1 | 62,827 | 20 | 125,655 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. What is the smallest positive pretty integer?
... | instruction | 0 | 62,828 | 20 | 125,656 |
Tags: brute force, implementation
Correct Solution:
```
a,b=input().split()
a=int(a)
b=int(b)
c=input().split()
m=input().split()
min1=10000
min2=10000
k=[]
for i in range(a):
if(int(c[i])<=min1):
min1=int(c[i])
for i in range(b):
if(int(m[i])<=min2):
min2=int(m[i])
fl=1
min=100
for i in range (... | output | 1 | 62,828 | 20 | 125,657 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. What is the smallest positive pretty integer?
... | instruction | 0 | 62,829 | 20 | 125,658 |
Tags: brute force, implementation
Correct Solution:
```
n,m=map(int,input().split())
li=list(map(int,input().split()))
li=sorted(li)
li1=sorted(list(map(int,input().split())))
a=max(li1)*10+max(li)
for i in li1:
if i in li:
a=i
break
a1=min(li)
b1=min(li1)
b=min((a1*10+b1),(b1*10+a1))
print(min(a, b))
``` | output | 1 | 62,829 | 20 | 125,659 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. What is the smallest positive pretty integer?
... | instruction | 0 | 62,830 | 20 | 125,660 |
Tags: brute force, implementation
Correct Solution:
```
s = input().split(' ')
l1 = int(s[0])
l2 = int(s[1])
s = input().split(' ')
a1 = s
for i in range(l1):
a1[i] = int(a1[i])
a1.sort()
s = input().split(' ')
a2 = s
for i in range(l2):
a2[i] = int(a2[i])
a2.sort()
for i in range(l1):
for j in range(l2):
... | output | 1 | 62,830 | 20 | 125,661 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. What is the smallest positive pretty integer?
... | instruction | 0 | 62,831 | 20 | 125,662 |
Tags: brute force, implementation
Correct Solution:
```
R = lambda:map(int,input().split())
n,m = R()
a = set(input().split())
b = set(input().split())
print(min(a&b) if a&b else min(min(a)+min(b), min(b)+ min(a)))
``` | output | 1 | 62,831 | 20 | 125,663 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. What is the smallest positive pretty integer?
... | instruction | 0 | 62,832 | 20 | 125,664 |
Tags: brute force, implementation
Correct Solution:
```
n,m = map(int,input().split(' '))
n1 = input().split(' ')
m1 = input().split(' ')
lis = 100
for i in range(100):
st = str(i)
if len(st) == 1:
if (st in m1) and (st in n1) and (i<lis):
lis = i
else:
st1 = st[0]
st2 = st[1]
if (((st1 in n1) and (st... | output | 1 | 62,832 | 20 | 125,665 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. ... | instruction | 0 | 62,833 | 20 | 125,666 |
Yes | output | 1 | 62,833 | 20 | 125,667 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. ... | instruction | 0 | 62,834 | 20 | 125,668 |
Yes | output | 1 | 62,834 | 20 | 125,669 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. ... | instruction | 0 | 62,835 | 20 | 125,670 |
Yes | output | 1 | 62,835 | 20 | 125,671 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. ... | instruction | 0 | 62,836 | 20 | 125,672 |
Yes | output | 1 | 62,836 | 20 | 125,673 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. ... | instruction | 0 | 62,837 | 20 | 125,674 |
No | output | 1 | 62,837 | 20 | 125,675 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. ... | instruction | 0 | 62,838 | 20 | 125,676 |
No | output | 1 | 62,838 | 20 | 125,677 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. ... | instruction | 0 | 62,839 | 20 | 125,678 |
No | output | 1 | 62,839 | 20 | 125,679 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. ... | instruction | 0 | 62,840 | 20 | 125,680 |
No | output | 1 | 62,840 | 20 | 125,681 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blac... | instruction | 0 | 63,221 | 20 | 126,442 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
from sys import stdin,stdout
for _ in range(1):#int(stdin.readline())):
n=int(stdin.readline())
# a=list(map(int,stdin.readline().split()))
a=[0]*(2*n)
l,r=1,2*n
for i in range(n):
if i&1==0:
a[i]=l
a[i... | output | 1 | 63,221 | 20 | 126,443 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blac... | instruction | 0 | 63,222 | 20 | 126,444 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
#!/usr/bin/env python
from __future__ import division, print_function
import os
import sys
from io import BytesIO, IOBase
if sys.version_info[0] < 3:
from __builtin__ import xrange as range
from future_builtins import ascii, filter, hex, map, o... | output | 1 | 63,222 | 20 | 126,445 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blac... | instruction | 0 | 63,227 | 20 | 126,454 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
import sys
import math
import random
input = sys.stdin.readline
n = int(input())
res = [0] * (2*n)
i = 0
if n%2 == 0:
print("NO")
exit()
value = 1
#res[0] = 1
i = 0
while(True):
if res[i] != 0 or i>=n or value >= 2*n:
break
... | output | 1 | 63,227 | 20 | 126,455 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + 1 and 102 = 111 - 11 + 1 + 1.
Among all possi... | instruction | 0 | 63,354 | 20 | 126,708 |
Tags: dp, greedy, shortest paths
Correct Solution:
```
memo = {}
def solve (n):
if n<=6 :
return n
elif n<=11:
return 2+(11-n)
elif n in memo:
return memo[n]
else:
digits = [int(c) for c in str(n)]
s = len(digits)
Ln = (10**s)//9
if (n==Ln):
... | output | 1 | 63,354 | 20 | 126,709 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + 1 and 102 = 111 - 11 + 1 + 1.
Among all possi... | instruction | 0 | 63,355 | 20 | 126,710 |
Tags: dp, greedy, shortest paths
Correct Solution:
```
#!/usr/bin/env python
import os
import sys
from io import BytesIO, IOBase
def func(n):
# print("n", n)
if n < 0:
raise Exception("Wrong")
if n <= 6:
return n
length = len(str(n))
# print("length", length)
big1 = int("1" * l... | output | 1 | 63,355 | 20 | 126,711 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + 1 and 102 = 111 - 11 + 1 + 1.
Among all possi... | instruction | 0 | 63,356 | 20 | 126,712 |
Tags: dp, greedy, shortest paths
Correct Solution:
```
import sys
def read_ints():
return [int(i) for i in sys.stdin.readline().strip().split()]
def read_int():
return int(sys.stdin.readline().strip())
CACHE = {}
def n_ones(n):
if n < 5:
return n
if n in CACHE:
return CACHE[n]
n... | output | 1 | 63,356 | 20 | 126,713 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + 1 and 102 = 111 - 11 + 1 + 1.
Among all possi... | instruction | 0 | 63,357 | 20 | 126,714 |
Tags: dp, greedy, shortest paths
Correct Solution:
```
#!/usr/bin/python
import sys
def solve(N):
strN = str(N)
no_digits = len(strN)
res_list = []
if int(strN[0]) < 8:
res_list.append((0, N))
if int(strN[0]) > 4:
felso = int('1' * (no_digits + 1))
res_list.append((no_... | output | 1 | 63,357 | 20 | 126,715 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + 1 and 102 = 111 - 11 + 1 + 1.
Among all possi... | instruction | 0 | 63,358 | 20 | 126,716 |
Tags: dp, greedy, shortest paths
Correct Solution:
```
import math
from collections import defaultdict
n = input()
opt = defaultdict(lambda: 1e9)
def calc(s, cost):
if cost >= opt[s]:
return 1e9
opt[s] = cost
if cost + min(int(s[0]),4)*len(s) > opt['0']:
return 1e9
if s=='0':
... | output | 1 | 63,358 | 20 | 126,717 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + 1 and 102 = 111 - 11 + 1 + 1.
Among all possi... | instruction | 0 | 63,359 | 20 | 126,718 |
Tags: dp, greedy, shortest paths
Correct Solution:
```
DIGITS = 55
MAX_CNT = 6
CUTOFF_RATIO = 0.618
NUMBERS = [0] * (DIGITS + 1)
CUTOFFS = [0] * (DIGITS + 1)
for d in range(1, DIGITS + 1):
NUMBERS[d] = 10 * NUMBERS[d - 1] + 1
CUTOFFS[d] = CUTOFF_RATIO * 10**(d - 1) + 15
X = int(input())
N = int(len(str(X)))
c... | output | 1 | 63,359 | 20 | 126,719 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + 1 and 102 = 111 - 11 + 1 + 1.
Among all possi... | instruction | 0 | 63,360 | 20 | 126,720 |
Tags: dp, greedy, shortest paths
Correct Solution:
```
import math
from collections import defaultdict
n = input()
opt = defaultdict(lambda: 1e9)
def calc(s, cost):
if cost >= opt[s]:
return 1e9
opt[s] = cost
if cost + min(int(s[0]),4)*len(s) > opt['0']:
return 1e9
if s=='0':
... | output | 1 | 63,360 | 20 | 126,721 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + 1 and 102 = 111 - 11 + 1 + 1.
Among all possi... | instruction | 0 | 63,361 | 20 | 126,722 |
Tags: dp, greedy, shortest paths
Correct Solution:
```
n = int(input())
res={}
def cal(x):
if x==0:
return 0
if x in res.keys():
return res[x]
larger = 1
while x>=larger:
larger = larger*10+1
smaller = larger//10
l = len(str(smaller))
a = cal( x%smaller ) + (x//s... | output | 1 | 63,361 | 20 | 126,723 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + ... | instruction | 0 | 63,362 | 20 | 126,724 |
Yes | output | 1 | 63,362 | 20 | 126,725 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + ... | instruction | 0 | 63,363 | 20 | 126,726 |
Yes | output | 1 | 63,363 | 20 | 126,727 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + ... | instruction | 0 | 63,364 | 20 | 126,728 |
Yes | output | 1 | 63,364 | 20 | 126,729 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + ... | instruction | 0 | 63,365 | 20 | 126,730 |
Yes | output | 1 | 63,365 | 20 | 126,731 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + ... | instruction | 0 | 63,366 | 20 | 126,732 |
No | output | 1 | 63,366 | 20 | 126,733 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + ... | instruction | 0 | 63,368 | 20 | 126,736 |
No | output | 1 | 63,368 | 20 | 126,737 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive (greater than zero) integer n.
You have to represent n as the sum of integers (possibly negative) consisting only of ones (digits '1'). For example, 24 = 11 + 11 + 1 + ... | instruction | 0 | 63,369 | 20 | 126,738 |
No | output | 1 | 63,369 | 20 | 126,739 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have number a, whose decimal representation quite luckily contains digits 1, 6, 8, 9. Rearrange the digits in its decimal representation so that the resulting number will be divisible by 7.
Number a doesn't contain any leading zeroes an... | instruction | 0 | 63,472 | 20 | 126,944 |
Tags: math, number theory
Correct Solution:
```
n = [int(i) for i in input()]
for x in [1, 6, 8, 9]:
for i in range(len(n)):
if n[i] == x:
del n[i]
break
prefix = [1869, 6189, 1689, 6198, 1698, 9861, 1896]
res = sum([n[i] * pow(10, len(n)-i-1, 7) for i in range(len(n))])
print(prefix[-res * pow(10, 5*len(n), ... | output | 1 | 63,472 | 20 | 126,945 |
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