message stringlengths 2 19.9k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 322 108k | cluster float64 15 15 | __index_level_0__ int64 644 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
On the way to school, Karen became fixated on the puzzle game on her phone!
<image>
The game is played as follows. In each level, you have a grid with n rows and m columns. Each cell originally contains the number 0.
One move consists of ... | instruction | 0 | 39,250 | 15 | 78,500 |
Tags: brute force, greedy, implementation
Correct Solution:
```
n,m=map(int,input().split())
M=[list(map(int,input().split())) for i in range(n)]
M1=[[0]*m for i in range(n)]
for i in range(n) :
for j in range(m) :
M1[i][j]=M[i][j]
l=[]
l1=[]
c=0
for i in range(n) :
V=min(M[i])
if n>m :
c=1... | output | 1 | 39,250 | 15 | 78,501 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the way to school, Karen became fixated on the puzzle game on her phone!
<image>
The game is played as follows. In each level, you have a grid with n rows and m columns. Each cell originall... | instruction | 0 | 39,251 | 15 | 78,502 |
Yes | output | 1 | 39,251 | 15 | 78,503 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the way to school, Karen became fixated on the puzzle game on her phone!
<image>
The game is played as follows. In each level, you have a grid with n rows and m columns. Each cell originall... | instruction | 0 | 39,252 | 15 | 78,504 |
Yes | output | 1 | 39,252 | 15 | 78,505 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the way to school, Karen became fixated on the puzzle game on her phone!
<image>
The game is played as follows. In each level, you have a grid with n rows and m columns. Each cell originall... | instruction | 0 | 39,253 | 15 | 78,506 |
Yes | output | 1 | 39,253 | 15 | 78,507 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the way to school, Karen became fixated on the puzzle game on her phone!
<image>
The game is played as follows. In each level, you have a grid with n rows and m columns. Each cell originall... | instruction | 0 | 39,254 | 15 | 78,508 |
Yes | output | 1 | 39,254 | 15 | 78,509 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the way to school, Karen became fixated on the puzzle game on her phone!
<image>
The game is played as follows. In each level, you have a grid with n rows and m columns. Each cell originall... | instruction | 0 | 39,255 | 15 | 78,510 |
No | output | 1 | 39,255 | 15 | 78,511 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the way to school, Karen became fixated on the puzzle game on her phone!
<image>
The game is played as follows. In each level, you have a grid with n rows and m columns. Each cell originall... | instruction | 0 | 39,256 | 15 | 78,512 |
No | output | 1 | 39,256 | 15 | 78,513 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the way to school, Karen became fixated on the puzzle game on her phone!
<image>
The game is played as follows. In each level, you have a grid with n rows and m columns. Each cell originall... | instruction | 0 | 39,257 | 15 | 78,514 |
No | output | 1 | 39,257 | 15 | 78,515 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the way to school, Karen became fixated on the puzzle game on her phone!
<image>
The game is played as follows. In each level, you have a grid with n rows and m columns. Each cell originall... | instruction | 0 | 39,258 | 15 | 78,516 |
No | output | 1 | 39,258 | 15 | 78,517 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. move right — go from your current index x to x+1 ... | instruction | 0 | 39,770 | 15 | 79,540 |
Tags: brute force, dp, greedy
Correct Solution:
```
def solve():
n, steps, left = map(int, input().split())
scores = [int(x) for x in input().split()]
sum = 0
ans = 0
maxPair = 0
for i in range(steps + 1):
if i < n - 1:
maxPair = max(maxPair, scores[i] + scores[i+1])
... | output | 1 | 39,770 | 15 | 79,541 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. move right — go from your current index x to x+1 ... | instruction | 0 | 39,771 | 15 | 79,542 |
Tags: brute force, dp, greedy
Correct Solution:
```
import sys
import math,bisect
from collections import defaultdict
from itertools import groupby,accumulate
from heapq import heapify,heappop,heappush
from collections import deque,Counter,OrderedDict
input = iter(sys.stdin.buffer.read().decode().splitlines()).__next__... | output | 1 | 39,771 | 15 | 79,543 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. move right — go from your current index x to x+1 ... | instruction | 0 | 39,772 | 15 | 79,544 |
Tags: brute force, dp, greedy
Correct Solution:
```
for _ in range(int(input())):
n,k,z = map(int, input().split())
a = [ int(x) for x in input().split()]
ans = 0
for t in range(z+1):
pos = k - 2*t
pref = 0
mx = 0
for i in range(pos+1):
pref += a[i]
... | output | 1 | 39,772 | 15 | 79,545 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. move right — go from your current index x to x+1 ... | instruction | 0 | 39,773 | 15 | 79,546 |
Tags: brute force, dp, greedy
Correct Solution:
```
import sys
input=sys.stdin.buffer.readline
t=int(input())
for _ in range(t):
n,k,z=[int(x) for x in input().split()]
arr=[int(x) for x in input().split()]
maxpair=[0 for _ in range(n+1)]
for i in range(1,n):
maxpair[i]=max(maxpair[i-1],a... | output | 1 | 39,773 | 15 | 79,547 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. move right — go from your current index x to x+1 ... | instruction | 0 | 39,774 | 15 | 79,548 |
Tags: brute force, dp, greedy
Correct Solution:
```
t=int(input())
for _ in range(0,t):
n,k,z=map(int,input().strip().split(" "))
arr=list(map(int,input().strip().split(" ")))
ans=0
maxx=0
for i in range(0,z+1):
pos=k-2*i+1
if pos<0:
continue
... | output | 1 | 39,774 | 15 | 79,549 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. move right — go from your current index x to x+1 ... | instruction | 0 | 39,775 | 15 | 79,550 |
Tags: brute force, dp, greedy
Correct Solution:
```
t = int(input())
for _ in range(t):
n, k, z = map(int, input().split())
A = list(map(int, input().split()))
C = [0]*n
S = [0]*n
S[0] = A[0]
for i in range(1, n):
C[i] = max(C[i-1], A[i]+A[i-1])
S[i] = S[i-1]+A[i]
ans = -10... | output | 1 | 39,775 | 15 | 79,551 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. move right — go from your current index x to x+1 ... | instruction | 0 | 39,776 | 15 | 79,552 |
Tags: brute force, dp, greedy
Correct Solution:
```
# ------------------- fast io --------------------
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self... | output | 1 | 39,776 | 15 | 79,553 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. move right — go from your current index x to x+1 ... | instruction | 0 | 39,777 | 15 | 79,554 |
Tags: brute force, dp, greedy
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
import math
def main():
pass
# region fastio
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
se... | output | 1 | 39,777 | 15 | 79,555 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. mo... | instruction | 0 | 39,778 | 15 | 79,556 |
Yes | output | 1 | 39,778 | 15 | 79,557 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. mo... | instruction | 0 | 39,779 | 15 | 79,558 |
Yes | output | 1 | 39,779 | 15 | 79,559 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. mo... | instruction | 0 | 39,780 | 15 | 79,560 |
Yes | output | 1 | 39,780 | 15 | 79,561 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. mo... | instruction | 0 | 39,781 | 15 | 79,562 |
Yes | output | 1 | 39,781 | 15 | 79,563 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. mo... | instruction | 0 | 39,782 | 15 | 79,564 |
No | output | 1 | 39,782 | 15 | 79,565 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. mo... | instruction | 0 | 39,783 | 15 | 79,566 |
No | output | 1 | 39,783 | 15 | 79,567 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. mo... | instruction | 0 | 39,784 | 15 | 79,568 |
No | output | 1 | 39,784 | 15 | 79,569 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n, consisting of n positive integers.
Initially you are standing at index 1 and have a score equal to a_1. You can perform two kinds of moves:
1. mo... | instruction | 0 | 39,785 | 15 | 79,570 |
No | output | 1 | 39,785 | 15 | 79,571 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You received as a gift a very clever robot walking on a rectangular board. Unfortunately, you understood that it is broken and behaves rather strangely (randomly). The board consists of N rows and M columns of cells. The robot is initially a... | instruction | 0 | 39,903 | 15 | 79,806 |
Tags: dp, math, probabilities
Correct Solution:
```
import sys
n, m = input().split()
x, y = input().split()
n = int(n)
m = int(m)
x = int(x)
y = int(y)
if m == 1:
ans = 0
for i in range(n - 1, x - 1, -1):
ans = ans + 2
print(format(ans, '.4f'))
sys.exit()
td = [0] * m
tu = [0] * m
dv = [0] * m... | output | 1 | 39,903 | 15 | 79,807 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You received as a gift a very clever robot walking on a rectangular board. Unfortunately, you understood that it is broken and behaves rather strangely (randomly). The board consists of N rows and M columns of cells. The robot is initially a... | instruction | 0 | 39,904 | 15 | 79,808 |
Tags: dp, math, probabilities
Correct Solution:
```
n,m = (int(s) for s in input().split())
i,j = (int(s) for s in input().split())
def find(n,m,i,j):
if i==n:
return 0
if m==1:
return 2*(n-i)
e,a,b = [0.]*m,[0]*m,[0]*m
for l in range(n-1,0,-1):
a[0],b[0]=.5,.5*(3+e[0])
f... | output | 1 | 39,904 | 15 | 79,809 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a grid of N rows and M columns. The square at the i-th row and j-th column will be denoted as (i,j). Some of the squares contain an object. All the remaining squares are empty. The state of the grid is represented by strings S_1,S_2,\cd... | instruction | 0 | 40,176 | 15 | 80,352 |
"Correct Solution:
```
# -*- coding: utf-8 -*-
import bisect
import heapq
import math
import random
from collections import Counter, defaultdict, deque
from decimal import ROUND_CEILING, ROUND_HALF_UP, Decimal
from fractions import Fraction
from functools import lru_cache, reduce
from itertools import combinations, com... | output | 1 | 40,176 | 15 | 80,353 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a grid of N rows and M columns. The square at the i-th row and j-th column will be denoted as (i,j). Some of the squares contain an object. All the remaining squares are empty. The state of the grid is represented by strings S_1,S_2,\cd... | instruction | 0 | 40,177 | 15 | 80,354 |
"Correct Solution:
```
# https://atcoder.jp/contests/practice2/submissions/16598132
# 上記のリンクの提出をいじらせてもらってます。
from collections import deque
class mf_graph:
# __slots__ = ["N", "graph", "capacities", "level", "it"]
def __init__(self, N):
self.N = N
self.graph = [[] for _ in range(N)]
... | output | 1 | 40,177 | 15 | 80,355 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a grid of N rows and M columns. The square at the i-th row and j-th column will be denoted as (i,j). Some of the squares contain an object. All the remaining squares are empty. The state of the grid is represented by strings S_1,S_2,\cd... | instruction | 0 | 40,178 | 15 | 80,356 |
"Correct Solution:
```
from collections import deque
class MaxFlow():
def __init__(self, n):
self.n = n
self.graph = [[] for _ in range(n)]
self.pos = []
def add_edge(self, fr, to, cap):
#assert 0 <= fr < self.n
#assert 0 <= to < self.n
#assert 0 <= cap
... | output | 1 | 40,178 | 15 | 80,357 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a grid of N rows and M columns. The square at the i-th row and j-th column will be denoted as (i,j). Some of the squares contain an object. All the remaining squares are empty. The state of the grid is represented by strings S_1,S_2,\cd... | instruction | 0 | 40,179 | 15 | 80,358 |
"Correct Solution:
```
#test
NUMERIC_LIMITS = 10 ** 18
import queue
class maxFlow:
class edge:
def __init__(s, frm, to, cap, flow):
s.frm, s.to = frm, to
s.cap, s.flow = cap, flow
def __init__(s, n):
s._n = n
s.g = [[] for _ in range(n)]
s.pos = []
def add_edge(s, frm, to, cap):
... | output | 1 | 40,179 | 15 | 80,359 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a grid of N rows and M columns. The square at the i-th row and j-th column will be denoted as (i,j). Some of the squares contain an object. All the remaining squares are empty. The state of the grid is represented by strings S_1,S_2,\cd... | instruction | 0 | 40,180 | 15 | 80,360 |
"Correct Solution:
```
"""
sから奇数へ，奇数から偶数へ，偶数からtへ
"""
def main():
# Dinic's algorithm
import collections
class Dinic:
def __init__(self, vnum):
self.edge = [[] for i in range(vnum)]
self.n = vnum
self.inf = 10**10
def add_edge(self, start, end, c):
... | output | 1 | 40,180 | 15 | 80,361 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a grid of N rows and M columns. The square at the i-th row and j-th column will be denoted as (i,j). Some of the squares contain an object. All the remaining squares are empty. The state of the grid is represented by strings S_1,S_2,\cd... | instruction | 0 | 40,181 | 15 | 80,362 |
"Correct Solution:
```
class mf_graph:
def __init__(self, n=0):
self._n = n
self.g = [[] for _ in range(n)]
self.pos = []
def add_edge(self, frm, to, cap):
m = len(self.pos)
e1 = mf_graph._edge(to, cap)
e2 = mf_graph._edge(frm, 0)
e1.rev = e2
... | output | 1 | 40,181 | 15 | 80,363 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a grid of N rows and M columns. The square at the i-th row and j-th column will be denoted as (i,j). Some of the squares contain an object. All the remaining squares are empty. The state of the grid is represented by strings S_1,S_2,\cd... | instruction | 0 | 40,182 | 15 | 80,364 |
"Correct Solution:
```
# https://atcoder.jp/contests/practice2/submissions/16598132
# 上記のリンクの提出をいじらせてもらってます。
from collections import deque
class mf_graph:
# __slots__ = ["N", "graph", "capacities", "level", "it"]
def __init__(self, N):
self.N = N
self.graph = [[] for _ in range(N)]
... | output | 1 | 40,182 | 15 | 80,365 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a grid of N rows and M columns. The square at the i-th row and j-th column will be denoted as (i,j). Some of the squares contain an object. All the remaining squares are empty. The state of the grid is represented by strings S_1,S_2,\cd... | instruction | 0 | 40,183 | 15 | 80,366 |
"Correct Solution:
```
# https://atcoder.jp/contests/practice2/submissions/16598132
# 上記のリンクの提出をいじらせてもらってます。
class mf_graph:
def __init__(self, N):
self.N = N
self.graph = [[] for _ in range(N)]
self.capacities = [dict() for _ in range(N)]
def add_edge(self, v, w, cap):
self.g... | output | 1 | 40,183 | 15 | 80,367 |
Provide a correct Python 3 solution for this coding contest problem.
There is a rectangular maze with square squares lined up vertically and horizontally. In this maze, while moving to the adjacent squares in the north, south, east and west, the starting square S departs and the goal square G is aimed at. There are th... | instruction | 0 | 40,358 | 15 | 80,716 |
"Correct Solution:
```
from collections import deque
while True:
x, y = map(int, input().split())
if x == 0:break
mp = [list("#" * (x + 2))] + [list("#" + input() + "#") for _ in range(y)] + [list("#" * (x + 2))]
ice_cnt = 0
ice_dic = []
vec = ((1, 0), (0, -1), (-1, 0), (0, 1))
de... | output | 1 | 40,358 | 15 | 80,717 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular maze with square squares lined up vertically and horizontally. In this maze, while moving to the adjacent squares in the north, south, east and west, the starting square S... | instruction | 0 | 40,359 | 15 | 80,718 |
No | output | 1 | 40,359 | 15 | 80,719 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular maze with square squares lined up vertically and horizontally. In this maze, while moving to the adjacent squares in the north, south, east and west, the starting square S... | instruction | 0 | 40,360 | 15 | 80,720 |
No | output | 1 | 40,360 | 15 | 80,721 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular maze with square squares lined up vertically and horizontally. In this maze, while moving to the adjacent squares in the north, south, east and west, the starting square S... | instruction | 0 | 40,361 | 15 | 80,722 |
No | output | 1 | 40,361 | 15 | 80,723 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular maze with square squares lined up vertically and horizontally. In this maze, while moving to the adjacent squares in the north, south, east and west, the starting square S... | instruction | 0 | 40,362 | 15 | 80,724 |
No | output | 1 | 40,362 | 15 | 80,725 |
Provide a correct Python 3 solution for this coding contest problem.
We have two indistinguishable pieces placed on a number line. Both pieces are initially at coordinate 0. (They can occupy the same position.)
We can do the following two kinds of operations:
* Choose a piece and move it to the right (the positive d... | instruction | 0 | 41,007 | 15 | 82,014 |
"Correct Solution:
```
N,A,B=map(int,input().split());M=998244353;P=N+1;f=1;F=[1]*P;I=[1]*P;z=0;R=range
for n in R(1,P):F[n]=f=f*n%M
I[N]=i=pow(f,M-2,M)
for n in R(N,1,-1):I[n-1]=i=i*n%M
for k in R(min(A+1,N-B)if N-B-A else A+1):Q=N-B-k-1;z=(z+(B-k)*F[B+k-1]*I[B]*I[k]*F[Q+A-k]*I[Q]*I[A-k])%M
print(z if B else 1)
``` | output | 1 | 41,007 | 15 | 82,015 |
Provide a correct Python 3 solution for this coding contest problem.
We have two indistinguishable pieces placed on a number line. Both pieces are initially at coordinate 0. (They can occupy the same position.)
We can do the following two kinds of operations:
* Choose a piece and move it to the right (the positive d... | instruction | 0 | 41,008 | 15 | 82,016 |
"Correct Solution:
```
N, A, B = map(int, input().split())
MOD = 998244353
if B == 0:
print(1)
exit()
f = 1
F = [1] * (N + 1)
for i in range(1, N + 1):
F[i] = f = f * i % MOD
FI = [1] * (N + 1)
FI[N] = fi = pow(f, MOD - 2, MOD)
for i in range(N, 1, -1):
FI[i - 1] = fi = fi * i % MOD
z = 0
for k in r... | output | 1 | 41,008 | 15 | 82,017 |
Provide a correct Python 3 solution for this coding contest problem.
We have two indistinguishable pieces placed on a number line. Both pieces are initially at coordinate 0. (They can occupy the same position.)
We can do the following two kinds of operations:
* Choose a piece and move it to the right (the positive d... | instruction | 0 | 41,009 | 15 | 82,018 |
"Correct Solution:
```
N,A,B=map(int,input().split());M=998244353;P=N+1;f=1;F=[1]*P;I=[1]*P;z=0;R=range
if B==0:print(1);exit()
for n in R(1,P):F[n]=f=f*n%M
I[N]=i=pow(f,M-2,M)
for n in R(N,1,-1):I[n-1]=i=i*n%M
for k in R(min(A+1,N-B)if N-B-A else A+1):Q=N-B-k-1;z=(z+(B-k)*F[B+k-1]*I[B]*I[k]*F[Q+A-k]*I[Q]*I[A-k])%M
pri... | output | 1 | 41,009 | 15 | 82,019 |
Provide a correct Python 3 solution for this coding contest problem.
We have two indistinguishable pieces placed on a number line. Both pieces are initially at coordinate 0. (They can occupy the same position.)
We can do the following two kinds of operations:
* Choose a piece and move it to the right (the positive d... | instruction | 0 | 41,010 | 15 | 82,020 |
"Correct Solution:
```
N,A,B=map(int,input().split());M=998244353;P=N+1;f=1;F=[1]*P;I=[1]*P;z=0;R=range
for n in R(1,P):F[n]=f=f*n%M
I[N]=i=pow(f,M-2,M)
for n in R(N,1,-1):I[n-1]=i=i*n%M
for k in R(min(A+1,N-B)if N-B-A else A+1):Q=N-B-k-1;z+=(B-k)*F[B+k-1]*I[B]*I[k]*F[Q+A-k]*I[Q]*I[A-k]
print(z%M if B else 1)
``` | output | 1 | 41,010 | 15 | 82,021 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have two indistinguishable pieces placed on a number line. Both pieces are initially at coordinate 0. (They can occupy the same position.)
We can do the following two kinds of operations:
*... | instruction | 0 | 41,011 | 15 | 82,022 |
No | output | 1 | 41,011 | 15 | 82,023 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have two indistinguishable pieces placed on a number line. Both pieces are initially at coordinate 0. (They can occupy the same position.)
We can do the following two kinds of operations:
*... | instruction | 0 | 41,012 | 15 | 82,024 |
No | output | 1 | 41,012 | 15 | 82,025 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have two indistinguishable pieces placed on a number line. Both pieces are initially at coordinate 0. (They can occupy the same position.)
We can do the following two kinds of operations:
*... | instruction | 0 | 41,013 | 15 | 82,026 |
No | output | 1 | 41,013 | 15 | 82,027 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have two indistinguishable pieces placed on a number line. Both pieces are initially at coordinate 0. (They can occupy the same position.)
We can do the following two kinds of operations:
*... | instruction | 0 | 41,014 | 15 | 82,028 |
No | output | 1 | 41,014 | 15 | 82,029 |
Provide a correct Python 3 solution for this coding contest problem.
There are N rabbits on a number line. The rabbits are conveniently numbered 1 through N. The coordinate of the initial position of rabbit i is x_i.
The rabbits will now take exercise on the number line, by performing sets described below. A set cons... | instruction | 0 | 41,957 | 15 | 83,914 |
"Correct Solution:
```
n = int(input())
x = list(map(int,input().split()))
m,k = map(int,input().split())
a = list(map(int,input().split()))
b = []
x2 = []
c = []
for i in range(1,n):
b.append(i-1)
x2.append(x[i]-x[i-1])
for i in range(m):
to = a[i]-1
b[to],b[to-1] = b[to-1],b[to]
c = [-1] * (n-1)
for i in rang... | output | 1 | 41,957 | 15 | 83,915 |
Provide a correct Python 3 solution for this coding contest problem.
There are N rabbits on a number line. The rabbits are conveniently numbered 1 through N. The coordinate of the initial position of rabbit i is x_i.
The rabbits will now take exercise on the number line, by performing sets described below. A set cons... | instruction | 0 | 41,958 | 15 | 83,916 |
"Correct Solution:
```
n = int(input())
x = list(map(int, input().split()))
g = [x[i+1]-x[i] for i in range(n-1)]
m, k = map(int, input().split())
A = list(map(int, input().split()))
t = list(range(n-1))
for a in A:
t[a-2], t[a-1] = t[a-1], t[a-2]
s = list(range(n-1))
while k > 0:
if k&1:
s = [s[t[i]] for i in rang... | output | 1 | 41,958 | 15 | 83,917 |
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