message stringlengths 2 44.5k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 42 109k | cluster float64 5 5 | __index_level_0__ int64 84 217k |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expression is given in a line. Two consequtive symbols (operand o... | instruction | 0 | 38,574 | 5 | 77,148 |
"Correct Solution:
```
l = input().split()
stack = []
for op in l:
if op.isdigit():
stack.append(int(op))
elif op == '+':
stack.append(stack.pop() + stack.pop())
elif op == '-':
stack.append(- stack.pop() + stack.pop())
elif op == '*':
stack.append(stack.pop() * stack.pop... | output | 1 | 38,574 | 5 | 77,149 |
Provide a correct Python 3 solution for this coding contest problem.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expression is given in a line. Two consequtive symbols (operand o... | instruction | 0 | 38,575 | 5 | 77,150 |
"Correct Solution:
```
a = list(input().split())
b = []
for i in a:
if i in '+-*':
n1 = b.pop()
n2 = b.pop()
b.append(str(eval(n2+i+n1)))
else:
b.append(i)
print(b.pop())
``` | output | 1 | 38,575 | 5 | 77,151 |
Provide a correct Python 3 solution for this coding contest problem.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expression is given in a line. Two consequtive symbols (operand o... | instruction | 0 | 38,576 | 5 | 77,152 |
"Correct Solution:
```
A = input().split()
G = []
j = 0
G.append(int(A[0]))
for i in range(1, len(A)):
if A[i] == "+":
G[j-1] += G[j]
G.pop()
j -= 1
elif A[i] == "-":
G[j-1] -= G[j]
G.pop()
j -= 1
elif A[i] == "*":
G[j-1] *= G[j]
G.pop()
j -= 1
else:
j += 1
G.append(int(A[i]))
print(G[0])
... | output | 1 | 38,576 | 5 | 77,153 |
Provide a correct Python 3 solution for this coding contest problem.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expression is given in a line. Two consequtive symbols (operand o... | instruction | 0 | 38,577 | 5 | 77,154 |
"Correct Solution:
```
data = list(input().split(" "))
stack = []
for d in data:
if d == '+':
stack.append(stack.pop() + stack.pop())
elif d == '-':
stack.append(- stack.pop() + stack.pop())
elif d == '*':
stack.append(stack.pop() * stack.pop())
else:
stack.append(int(d))... | output | 1 | 38,577 | 5 | 77,155 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expressio... | instruction | 0 | 38,578 | 5 | 77,156 |
Yes | output | 1 | 38,578 | 5 | 77,157 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expressio... | instruction | 0 | 38,579 | 5 | 77,158 |
Yes | output | 1 | 38,579 | 5 | 77,159 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expressio... | instruction | 0 | 38,580 | 5 | 77,160 |
Yes | output | 1 | 38,580 | 5 | 77,161 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expressio... | instruction | 0 | 38,581 | 5 | 77,162 |
Yes | output | 1 | 38,581 | 5 | 77,163 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expressio... | instruction | 0 | 38,582 | 5 | 77,164 |
No | output | 1 | 38,582 | 5 | 77,165 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expressio... | instruction | 0 | 38,583 | 5 | 77,166 |
No | output | 1 | 38,583 | 5 | 77,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expressio... | instruction | 0 | 38,584 | 5 | 77,168 |
No | output | 1 | 38,584 | 5 | 77,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Notes
Template in C
Constraints
2 ≤ the number of operands in the expression ≤ 100
1 ≤ the number of operators in the expression ≤ 99
-1 × 109 ≤ values in the stack ≤ 109
Input
An expressio... | instruction | 0 | 38,585 | 5 | 77,170 |
No | output | 1 | 38,585 | 5 | 77,171 |
Provide a correct Python 3 solution for this coding contest problem.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices A and B, all the following conditions must hold:
* ... | instruction | 0 | 39,010 | 5 | 78,020 |
"Correct Solution:
```
# input
n = int(input())
matrix = []
a = n
while a>0:
x = []
x = input().split()
matrix.append(x)
a -= 1
# A
a = 0
while a<n:
b = 0
out = ''
while b<n:
if a == b:
if b == 0:
out = str(float(matrix[a][b]))
else:
... | output | 1 | 39,010 | 5 | 78,021 |
Provide a correct Python 3 solution for this coding contest problem.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices A and B, all the following conditions must hold:
* ... | instruction | 0 | 39,011 | 5 | 78,022 |
"Correct Solution:
```
n = int(input())
l = []
l1 = []
l2 = []
for i in range(n):
k = list(map(int,input().split()))
l.append(k)
l1.append([0]*len(k))
l2.append([0]*len(k))
for i in range(n):
for j in range(n):
l1[i][j] = (l[i][j]+l[j][i])/2
l2[i][j] = (l[i][j]-l[j][i])/2
for i in... | output | 1 | 39,011 | 5 | 78,023 |
Provide a correct Python 3 solution for this coding contest problem.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices A and B, all the following conditions must hold:
* ... | instruction | 0 | 39,012 | 5 | 78,024 |
"Correct Solution:
```
n = int(input())
w = [None]*n
for i in range(n):
w[i] = [int(j) for j in input().strip().split(' ')]
for i in range(n):
for j in range(n):
val = w[i][j]
if (i != j):
val = (val+w[j][i])/2
print('{:.8f}'.format(val), end=' ')
print('')
for ... | output | 1 | 39,012 | 5 | 78,025 |
Provide a correct Python 3 solution for this coding contest problem.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices A and B, all the following conditions must hold:
* ... | instruction | 0 | 39,013 | 5 | 78,026 |
"Correct Solution:
```
size = int(input())
w = []
for enu in range(size):
temp = input().split()
w.append(list(map(int, temp)))
A = [[0 for i in range(size)] for j in range(size)]
B = [[0 for i in range(size)] for j in range(size)]
for i in range(size):
for j in range(i, size):
A[i][j] = (w[i][j] +... | output | 1 | 39,013 | 5 | 78,027 |
Provide a correct Python 3 solution for this coding contest problem.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices A and B, all the following conditions must hold:
* ... | instruction | 0 | 39,014 | 5 | 78,028 |
"Correct Solution:
```
n=int(input())
w=[]
for i in range(n):
w.append([int(i) for i in input().split()])
a=[[0 for i in range(n)]for j in range(n)]
b=[[0 for i in range(n)]for j in range(n)]
for i in range(n):
a[i][i]=w[i][i]
for i in range(n-1):
for j in range(i+1,n):
x=(w[i][j]+w[j][i])/2
... | output | 1 | 39,014 | 5 | 78,029 |
Provide a correct Python 3 solution for this coding contest problem.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices A and B, all the following conditions must hold:
* ... | instruction | 0 | 39,015 | 5 | 78,030 |
"Correct Solution:
```
n = int(input())
l = []
for i in range(n):
c = list(map(int, input().split()))
l.append(c)
a = []
b = []
for i in range(n):
a.append([-99999]*n)
b.append([-99999]*n)
for i in range(n):
for j in range(n):
if i == j:
a[i][j] = l[i][j]
b[i][j] = 0
... | output | 1 | 39,015 | 5 | 78,031 |
Provide a correct Python 3 solution for this coding contest problem.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices A and B, all the following conditions must hold:
* ... | instruction | 0 | 39,016 | 5 | 78,032 |
"Correct Solution:
```
n = int(input())
A = [[0 for i in range(n)] for j in range(n)]
B = [[0 for i in range(n)] for j in range(n)]
W = []
for i in range(n):
s = list(map(int, input().split()))
W.append(s)
for i in range(n):
for j in range(i, n):
if i == j:
A[i][j] = W[i][j]
else... | output | 1 | 39,016 | 5 | 78,033 |
Provide a correct Python 3 solution for this coding contest problem.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices A and B, all the following conditions must hold:
* ... | instruction | 0 | 39,017 | 5 | 78,034 |
"Correct Solution:
```
def transpose(m, d):
new = []
for i in range(d):
new.append([m[j][i] for j in range(d)])
return new
def sum(a,b, dim):
new = []
for i in range(dim):
new.append([(a[i][j]+b[i][j])/2 for j in range(dim)])
return new
def diff(a,b, dim):
new = []
... | output | 1 | 39,017 | 5 | 78,035 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices... | instruction | 0 | 39,018 | 5 | 78,036 |
Yes | output | 1 | 39,018 | 5 | 78,037 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices... | instruction | 0 | 39,019 | 5 | 78,038 |
Yes | output | 1 | 39,019 | 5 | 78,039 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices... | instruction | 0 | 39,020 | 5 | 78,040 |
Yes | output | 1 | 39,020 | 5 | 78,041 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices... | instruction | 0 | 39,021 | 5 | 78,042 |
Yes | output | 1 | 39,021 | 5 | 78,043 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices... | instruction | 0 | 39,022 | 5 | 78,044 |
No | output | 1 | 39,022 | 5 | 78,045 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices... | instruction | 0 | 39,023 | 5 | 78,046 |
No | output | 1 | 39,023 | 5 | 78,047 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices... | instruction | 0 | 39,024 | 5 | 78,048 |
No | output | 1 | 39,024 | 5 | 78,049 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Chubby Yang is studying linear equations right now. He came up with a nice problem. In the problem you are given an n × n matrix W, consisting of integers, and you should find two n × n matrices... | instruction | 0 | 39,025 | 5 | 78,050 |
No | output | 1 | 39,025 | 5 | 78,051 |
Provide a correct Python 3 solution for this coding contest problem.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10^{200000}
* N is an integer.
Input
Input is given from... | instruction | 0 | 39,366 | 5 | 78,732 |
"Correct Solution:
```
n = int(input())
if n % 9 == 0:
print('Yes')
else:
print('No')
``` | output | 1 | 39,366 | 5 | 78,733 |
Provide a correct Python 3 solution for this coding contest problem.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10^{200000}
* N is an integer.
Input
Input is given from... | instruction | 0 | 39,367 | 5 | 78,734 |
"Correct Solution:
```
a=int(input())
if(a%9==0):
print("Yes")
else:
print("No")
``` | output | 1 | 39,367 | 5 | 78,735 |
Provide a correct Python 3 solution for this coding contest problem.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10^{200000}
* N is an integer.
Input
Input is given from... | instruction | 0 | 39,368 | 5 | 78,736 |
"Correct Solution:
```
S = list(map(int,list(input())))
print("Yes" if sum(S)%9==0 else "No")
``` | output | 1 | 39,368 | 5 | 78,737 |
Provide a correct Python 3 solution for this coding contest problem.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10^{200000}
* N is an integer.
Input
Input is given from... | instruction | 0 | 39,369 | 5 | 78,738 |
"Correct Solution:
```
a = int(input())
if a % 9 == 0:
print('Yes')
else:
print('No')
``` | output | 1 | 39,369 | 5 | 78,739 |
Provide a correct Python 3 solution for this coding contest problem.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10^{200000}
* N is an integer.
Input
Input is given from... | instruction | 0 | 39,370 | 5 | 78,740 |
"Correct Solution:
```
num = int(input())
print(['Yes', 'No'][num%9>0])
``` | output | 1 | 39,370 | 5 | 78,741 |
Provide a correct Python 3 solution for this coding contest problem.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10^{200000}
* N is an integer.
Input
Input is given from... | instruction | 0 | 39,371 | 5 | 78,742 |
"Correct Solution:
```
n=input()
n=int(n)
if (n%9)==0:
print("Yes")
else:
print("No")
``` | output | 1 | 39,371 | 5 | 78,743 |
Provide a correct Python 3 solution for this coding contest problem.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10^{200000}
* N is an integer.
Input
Input is given from... | instruction | 0 | 39,372 | 5 | 78,744 |
"Correct Solution:
```
N = input()
S = sum(int(n) for n in N)
print('No' if S % 9 else 'Yes')
``` | output | 1 | 39,372 | 5 | 78,745 |
Provide a correct Python 3 solution for this coding contest problem.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10^{200000}
* N is an integer.
Input
Input is given from... | instruction | 0 | 39,373 | 5 | 78,746 |
"Correct Solution:
```
l = [int(s) for s in input()]
print('Yes' if sum(l) % 9 == 0 else 'No')
``` | output | 1 | 39,373 | 5 | 78,747 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10... | instruction | 0 | 39,374 | 5 | 78,748 |
Yes | output | 1 | 39,374 | 5 | 78,749 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10... | instruction | 0 | 39,375 | 5 | 78,750 |
Yes | output | 1 | 39,375 | 5 | 78,751 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10... | instruction | 0 | 39,376 | 5 | 78,752 |
Yes | output | 1 | 39,376 | 5 | 78,753 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10... | instruction | 0 | 39,377 | 5 | 78,754 |
Yes | output | 1 | 39,377 | 5 | 78,755 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10... | instruction | 0 | 39,378 | 5 | 78,756 |
No | output | 1 | 39,378 | 5 | 78,757 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10... | instruction | 0 | 39,379 | 5 | 78,758 |
No | output | 1 | 39,379 | 5 | 78,759 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10... | instruction | 0 | 39,380 | 5 | 78,760 |
No | output | 1 | 39,380 | 5 | 78,761 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
Constraints
* 0 \leq N < 10... | instruction | 0 | 39,381 | 5 | 78,762 |
No | output | 1 | 39,381 | 5 | 78,763 |
Provide a correct Python 3 solution for this coding contest problem.
We have N+1 integers: 10^{100}, 10^{100}+1, ..., 10^{100}+N.
We will choose K or more of these integers. Find the number of possible values of the sum of the chosen numbers, modulo (10^9+7).
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq K \leq... | instruction | 0 | 39,382 | 5 | 78,764 |
"Correct Solution:
```
N, K = map(int, input().split())
ans = 0
for i in range(K, N+2):
ans += N * i - i * (i-1) + 1
print(ans % (10**9 + 7))
``` | output | 1 | 39,382 | 5 | 78,765 |
Provide a correct Python 3 solution for this coding contest problem.
We have N+1 integers: 10^{100}, 10^{100}+1, ..., 10^{100}+N.
We will choose K or more of these integers. Find the number of possible values of the sum of the chosen numbers, modulo (10^9+7).
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq K \leq... | instruction | 0 | 39,383 | 5 | 78,766 |
"Correct Solution:
```
N,K=map(int,input().split(" "))
total = 0
for k in range(N+1,K-1,-1):
total+=k*(N)-k*(k-1)+1
print(total%(10**9+7))
``` | output | 1 | 39,383 | 5 | 78,767 |
Provide a correct Python 3 solution for this coding contest problem.
We have N+1 integers: 10^{100}, 10^{100}+1, ..., 10^{100}+N.
We will choose K or more of these integers. Find the number of possible values of the sum of the chosen numbers, modulo (10^9+7).
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq K \leq... | instruction | 0 | 39,384 | 5 | 78,768 |
"Correct Solution:
```
N,K=map(int,input().split())
MOD=10**9+7
ans=0
for k in range(K,N+2):
ans+=N*k+1-k*k+k
ans%=MOD
print(ans)
``` | output | 1 | 39,384 | 5 | 78,769 |
Provide a correct Python 3 solution for this coding contest problem.
We have N+1 integers: 10^{100}, 10^{100}+1, ..., 10^{100}+N.
We will choose K or more of these integers. Find the number of possible values of the sum of the chosen numbers, modulo (10^9+7).
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq K \leq... | instruction | 0 | 39,385 | 5 | 78,770 |
"Correct Solution:
```
n,k=map(int,input().split());print((k-n-2)*(2*k*k-k*n-2*k-n*n-n-6)//6%(10**9+7))
``` | output | 1 | 39,385 | 5 | 78,771 |
Provide a correct Python 3 solution for this coding contest problem.
We have N+1 integers: 10^{100}, 10^{100}+1, ..., 10^{100}+N.
We will choose K or more of these integers. Find the number of possible values of the sum of the chosen numbers, modulo (10^9+7).
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq K \leq... | instruction | 0 | 39,386 | 5 | 78,772 |
"Correct Solution:
```
n,k = map(int,input().split())
count = 0
for i in range(k,n+2):
count += i*(n-i+1) +1
print(count % (10**9+7))
``` | output | 1 | 39,386 | 5 | 78,773 |
Provide a correct Python 3 solution for this coding contest problem.
We have N+1 integers: 10^{100}, 10^{100}+1, ..., 10^{100}+N.
We will choose K or more of these integers. Find the number of possible values of the sum of the chosen numbers, modulo (10^9+7).
Constraints
* 1 \leq N \leq 2\times 10^5
* 1 \leq K \leq... | instruction | 0 | 39,387 | 5 | 78,774 |
"Correct Solution:
```
n,k=map(int,input().split())
print((((k-n-2)*(2*k**2-k*(n+2)-n**2-n-6)))//6%(10**9+7))
``` | output | 1 | 39,387 | 5 | 78,775 |
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