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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel is playing a game. In this game there is an infinite long tape with cells indexed by integers (positive, negative and zero). At the beginning she is standing at the cell 0. There are a...
instruction
0
11,170
15
22,340
Yes
output
1
11,170
15
22,341
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel is playing a game. In this game there is an infinite long tape with cells indexed by integers (positive, negative and zero). At the beginning she is standing at the cell 0. There are a...
instruction
0
11,171
15
22,342
Yes
output
1
11,171
15
22,343
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel is playing a game. In this game there is an infinite long tape with cells indexed by integers (positive, negative and zero). At the beginning she is standing at the cell 0. There are a...
instruction
0
11,172
15
22,344
No
output
1
11,172
15
22,345
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel is playing a game. In this game there is an infinite long tape with cells indexed by integers (positive, negative and zero). At the beginning she is standing at the cell 0. There are a...
instruction
0
11,173
15
22,346
No
output
1
11,173
15
22,347
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel is playing a game. In this game there is an infinite long tape with cells indexed by integers (positive, negative and zero). At the beginning she is standing at the cell 0. There are a...
instruction
0
11,174
15
22,348
No
output
1
11,174
15
22,349
Provide tags and a correct Python 3 solution for this coding contest problem. The Robot is in a rectangular maze of size n × m. Each cell of the maze is either empty or occupied by an obstacle. The Robot can move between neighboring cells on the side left (the symbol "L"), right (the symbol "R"), up (the symbol "U") o...
instruction
0
11,289
15
22,578
Tags: *special, dfs and similar, graphs, greedy, shortest paths Correct Solution: ``` from collections import deque n, m, k =map(int, input().split()) grid = [] for i in range(n): grid.append(input()) for j in range(m): if grid[i][j] == "X": pos_i, pos_j = i, j if k & 1: print('IMPOS...
output
1
11,289
15
22,579
Provide tags and a correct Python 3 solution for this coding contest problem. The Robot is in a rectangular maze of size n × m. Each cell of the maze is either empty or occupied by an obstacle. The Robot can move between neighboring cells on the side left (the symbol "L"), right (the symbol "R"), up (the symbol "U") o...
instruction
0
11,290
15
22,580
Tags: *special, dfs and similar, graphs, greedy, shortest paths Correct Solution: ``` import math from collections import deque def main(): n, m, k = list(map(int, input().split())) grid = ["" for _ in range(n)] x, y = 0, 0 for i in range(n): grid[i] = input() if 'X' in grid[i]: x, y = i, grid[i].index('X'...
output
1
11,290
15
22,581
Provide tags and a correct Python 3 solution for this coding contest problem. The Robot is in a rectangular maze of size n × m. Each cell of the maze is either empty or occupied by an obstacle. The Robot can move between neighboring cells on the side left (the symbol "L"), right (the symbol "R"), up (the symbol "U") o...
instruction
0
11,291
15
22,582
Tags: *special, dfs and similar, graphs, greedy, shortest paths Correct Solution: ``` import math from collections import deque def main(): n, m, k = list(map(int, input().split())) grid = ["" for _ in range(n)] x, y = 0, 0 for i in range(n): grid[i] = input() if 'X' in grid[i]: x, y = i, grid[i].index('X'...
output
1
11,291
15
22,583
Provide tags and a correct Python 3 solution for this coding contest problem. The Robot is in a rectangular maze of size n × m. Each cell of the maze is either empty or occupied by an obstacle. The Robot can move between neighboring cells on the side left (the symbol "L"), right (the symbol "R"), up (the symbol "U") o...
instruction
0
11,292
15
22,584
Tags: *special, dfs and similar, graphs, greedy, shortest paths Correct Solution: ``` from queue import Queue import sys #sys.stdin = open('input.txt') n, m, k = map(lambda x: int(x), input().split(' ')) if k&1: print('IMPOSSIBLE') sys.exit() s = [None]*n for i in range(n): s[i] = [None]*m t = input() for ...
output
1
11,292
15
22,585
Provide tags and a correct Python 3 solution for this coding contest problem. The Robot is in a rectangular maze of size n × m. Each cell of the maze is either empty or occupied by an obstacle. The Robot can move between neighboring cells on the side left (the symbol "L"), right (the symbol "R"), up (the symbol "U") o...
instruction
0
11,293
15
22,586
Tags: *special, dfs and similar, graphs, greedy, shortest paths Correct Solution: ``` #https://codeforces.com/contest/769/problem/C import collections lis = input().split() n,m,k = int(lis[0]),int(lis[1]),int(lis[2]) empty = [[False for i in range(m)] for j in range(n)] mainrow,maincol = 0,0 for i in range(n): s = inp...
output
1
11,293
15
22,587
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Robot is in a rectangular maze of size n × m. Each cell of the maze is either empty or occupied by an obstacle. The Robot can move between neighboring cells on the side left (the symbol "L")...
instruction
0
11,294
15
22,588
No
output
1
11,294
15
22,589
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Robot is in a rectangular maze of size n × m. Each cell of the maze is either empty or occupied by an obstacle. The Robot can move between neighboring cells on the side left (the symbol "L")...
instruction
0
11,295
15
22,590
No
output
1
11,295
15
22,591
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Robot is in a rectangular maze of size n × m. Each cell of the maze is either empty or occupied by an obstacle. The Robot can move between neighboring cells on the side left (the symbol "L")...
instruction
0
11,296
15
22,592
No
output
1
11,296
15
22,593
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Robot is in a rectangular maze of size n × m. Each cell of the maze is either empty or occupied by an obstacle. The Robot can move between neighboring cells on the side left (the symbol "L")...
instruction
0
11,297
15
22,594
No
output
1
11,297
15
22,595
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have a square grid with N rows and M columns. Takahashi will write an integer in each of the squares, as follows: * First, write 0 in every square. * For each i=1,2,...,N, choose an integer ...
instruction
0
12,332
15
24,664
No
output
1
12,332
15
24,665
Provide a correct Python 3 solution for this coding contest problem. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are placed. You can perform the following operation any number ...
instruction
0
12,333
15
24,666
"Correct Solution: ``` h,w = map(int,input().split()) lst = [list(map(int,input().split())) for _ in range(h)] cnt = 0 ans = [] for i in range(h): for j in range(w-1): if lst[i][j] %2 == 1: lst[i][j] -= 1 lst[i][j+1] += 1 ans.append([i+1,j+1,i+1,j+2]) for i in range(h-...
output
1
12,333
15
24,667
Provide a correct Python 3 solution for this coding contest problem. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are placed. You can perform the following operation any number ...
instruction
0
12,334
15
24,668
"Correct Solution: ``` h, w = map(int, input().split()) A = [[int(i) for i in input().split()] for i in range(h)] B = [] count = 0 for i in range(h): for j in range(w-1): if A[i][j] % 2 == 1: count += 1 A[i][j+1] += 1 B.append([i+1, j+1, i+1, j+2]) for i in ...
output
1
12,334
15
24,669
Provide a correct Python 3 solution for this coding contest problem. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are placed. You can perform the following operation any number ...
instruction
0
12,335
15
24,670
"Correct Solution: ``` def f(i,w): p = i%w q = i//w if q%2 == 1: p = w-1-p return [q,p] h,w = map(int,input().split()) a = [[]]*h for i in range(h): a[i] = list(map(int,input().split())) k = 0 s = [] for i in range(h*w-1): if a[f(i,w)[0]][f(i,w)[1]]%2 == 1: k = 1-k if k == 1: s += [f(i,w)[0...
output
1
12,335
15
24,671
Provide a correct Python 3 solution for this coding contest problem. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are placed. You can perform the following operation any number ...
instruction
0
12,336
15
24,672
"Correct Solution: ``` H,W = (int(i) for i in input().split()) a = [[int(i) for i in input().split()] for i in range(H)] ans = [] ans_list = [] for h in range(H): for w in range(W): if w!=W-1: if a[h][w]%2==1: a[h][w+1]+=1 ans.append([h+1,w+1,h+1,w+2]) else: if a[h][w]%2==1 and h!=H-1: a[h+1...
output
1
12,336
15
24,673
Provide a correct Python 3 solution for this coding contest problem. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are placed. You can perform the following operation any number ...
instruction
0
12,337
15
24,674
"Correct Solution: ``` H,W=[int(i) for i in input().split()] a = [[int(i) for i in input().split()] for j in range(H)] res = [] for h in range(H): for w in range(W-1): if a[h][w] % 2 is not 0: res += ["{0} {1} {2} {3}".format(h+1,w+1,h+1,w+2)] a[h][w+1] += 1 for h in range(H-1): ...
output
1
12,337
15
24,675
Provide a correct Python 3 solution for this coding contest problem. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are placed. You can perform the following operation any number ...
instruction
0
12,338
15
24,676
"Correct Solution: ``` H,W=map(int,input().split()) a=[list(map(int,input().split())) for i in range(H)] A=[] for y in range(H): for x in range(W): if y%2==0: A.append([y,x,a[y][x]]) else: A.append([y,W-1-x,a[y][W-1-x]]) OUTPUT=[] for i in range(H*W-1): if A[i][2]%2==1: OUTPUT.append((A[i][0]+1,A[i][1]+1,...
output
1
12,338
15
24,677
Provide a correct Python 3 solution for this coding contest problem. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are placed. You can perform the following operation any number ...
instruction
0
12,339
15
24,678
"Correct Solution: ``` h, w = list(map(int, input().split())) a = [list(map(int, input().split())) for i in range(h)] ans = [] for i in range(h): for j in range(w): if i==h-1 and j==w-1: pass elif j==w-1 and a[i][j]%2==1: a[i+1][j] += 1 ans.append((i+1, j+1, i+2, j+1)) elif a[i][j]%2==1:...
output
1
12,339
15
24,679
Provide a correct Python 3 solution for this coding contest problem. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are placed. You can perform the following operation any number ...
instruction
0
12,340
15
24,680
"Correct Solution: ``` H, W = map(int, input().split()) A = [list(map(int, input().split())) for _ in range(H)] cnt = 0 path = [] for h in range(H): for w in range(W-1): if A[h][w]%2: A[h][w+1] += 1 cnt += 1 path.append((h+1, w+1, h+1, w+2)) for h in range(H-1): i...
output
1
12,340
15
24,681
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are plac...
instruction
0
12,341
15
24,682
Yes
output
1
12,341
15
24,683
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are plac...
instruction
0
12,342
15
24,684
Yes
output
1
12,342
15
24,685
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are plac...
instruction
0
12,343
15
24,686
Yes
output
1
12,343
15
24,687
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are plac...
instruction
0
12,344
15
24,688
Yes
output
1
12,344
15
24,689
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are plac...
instruction
0
12,345
15
24,690
No
output
1
12,345
15
24,691
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are plac...
instruction
0
12,346
15
24,692
No
output
1
12,346
15
24,693
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are plac...
instruction
0
12,347
15
24,694
No
output
1
12,347
15
24,695
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a grid of square cells with H horizontal rows and W vertical columns. The cell at the i-th row and the j-th column will be denoted as Cell (i, j). In Cell (i, j), a_{ij} coins are plac...
instruction
0
12,348
15
24,696
No
output
1
12,348
15
24,697
Provide a correct Python 3 solution for this coding contest problem. There are N squares in a row. The squares are numbered 1, 2, ..., N from left to right. You have two pieces, initially placed on square A and B, respectively. You will be asked to process Q queries of the following kind, in the order received: * Gi...
instruction
0
12,381
15
24,762
"Correct Solution: ``` import sys read = sys.stdin.buffer.read INF = 10**12 class Rmin(): def __init__(self, size): #the number of nodes is 2n-1 self.n = 1 << (size.bit_length()) self.node = [INF] * (2*self.n-1) def Access(self, x): return self.node[x+self.n-1] def Update(self, x, val): x += self.n-1 ...
output
1
12,381
15
24,763
Provide a correct Python 3 solution for this coding contest problem. There are N squares in a row. The squares are numbered 1, 2, ..., N from left to right. You have two pieces, initially placed on square A and B, respectively. You will be asked to process Q queries of the following kind, in the order received: * Gi...
instruction
0
12,382
15
24,764
"Correct Solution: ``` import sys read = sys.stdin.buffer.read readline = sys.stdin.buffer.readline readlines = sys.stdin.buffer.readlines N,Q,A,B,*X = map(int,read().split()) class MinSegTree(): def __init__(self,N): self.Nelem = N self.size = 1<<(N.bit_length()) # 葉の要素数 def build(se...
output
1
12,382
15
24,765
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N squares in a row. The squares are numbered 1, 2, ..., N from left to right. You have two pieces, initially placed on square A and B, respectively. You will be asked to process Q que...
instruction
0
12,383
15
24,766
No
output
1
12,383
15
24,767
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N squares in a row. The squares are numbered 1, 2, ..., N from left to right. You have two pieces, initially placed on square A and B, respectively. You will be asked to process Q que...
instruction
0
12,384
15
24,768
No
output
1
12,384
15
24,769
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N squares in a row. The squares are numbered 1, 2, ..., N from left to right. You have two pieces, initially placed on square A and B, respectively. You will be asked to process Q que...
instruction
0
12,385
15
24,770
No
output
1
12,385
15
24,771
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N squares in a row. The squares are numbered 1, 2, ..., N from left to right. You have two pieces, initially placed on square A and B, respectively. You will be asked to process Q que...
instruction
0
12,386
15
24,772
No
output
1
12,386
15
24,773
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We've got a rectangular n × m-cell maze. Each cell is either passable, or is a wall (impassable). A little boy found the maze and cyclically tiled a plane with it so that the plane became an inf...
instruction
0
12,728
15
25,456
No
output
1
12,728
15
25,457
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We've got a rectangular n × m-cell maze. Each cell is either passable, or is a wall (impassable). A little boy found the maze and cyclically tiled a plane with it so that the plane became an inf...
instruction
0
12,729
15
25,458
No
output
1
12,729
15
25,459
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We've got a rectangular n × m-cell maze. Each cell is either passable, or is a wall (impassable). A little boy found the maze and cyclically tiled a plane with it so that the plane became an inf...
instruction
0
12,730
15
25,460
No
output
1
12,730
15
25,461
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We've got a rectangular n × m-cell maze. Each cell is either passable, or is a wall (impassable). A little boy found the maze and cyclically tiled a plane with it so that the plane became an inf...
instruction
0
12,731
15
25,462
No
output
1
12,731
15
25,463
Provide a correct Python 3 solution for this coding contest problem. There are N squares arranged in a row from left to right. The height of the i-th square from the left is H_i. You will land on a square of your choice, then repeat moving to the adjacent square on the right as long as the height of the next square ...
instruction
0
13,140
15
26,280
"Correct Solution: ``` n=int(input()) h=list(map(int,input().split())) res=[] t=0 for i in range(1,n): if h[i]<=h[i-1]: t+=1 else: res.append(t) t=0 res.append(t) print(max(res)) ```
output
1
13,140
15
26,281
Provide a correct Python 3 solution for this coding contest problem. There are N squares arranged in a row from left to right. The height of the i-th square from the left is H_i. You will land on a square of your choice, then repeat moving to the adjacent square on the right as long as the height of the next square ...
instruction
0
13,141
15
26,282
"Correct Solution: ``` n = int(input()) a = list(map(int,input().split())) b=[] x=0 for i in range(n-1): if a[i]>=a[i+1]: x+=1 else: b.append(x) x=0 b.append(x) print(max(b)) ```
output
1
13,141
15
26,283
Provide a correct Python 3 solution for this coding contest problem. There are N squares arranged in a row from left to right. The height of the i-th square from the left is H_i. You will land on a square of your choice, then repeat moving to the adjacent square on the right as long as the height of the next square ...
instruction
0
13,142
15
26,284
"Correct Solution: ``` n=int(input()) h=list(map(int,input().split())) l=[0]*n for i in range(1,n): if h[i]<=h[i-1]: l[i]=1+l[i-1] print(max(l)) ```
output
1
13,142
15
26,285
Provide a correct Python 3 solution for this coding contest problem. There are N squares arranged in a row from left to right. The height of the i-th square from the left is H_i. You will land on a square of your choice, then repeat moving to the adjacent square on the right as long as the height of the next square ...
instruction
0
13,143
15
26,286
"Correct Solution: ``` N = int(input()) H = [int(_) for _ in input().split()] num = [0] * N for i in range(N-2, -1, -1): if H[i] >= H[i+1]: num[i] = num[i+1]+1 print(max(num)) ```
output
1
13,143
15
26,287
Provide a correct Python 3 solution for this coding contest problem. There are N squares arranged in a row from left to right. The height of the i-th square from the left is H_i. You will land on a square of your choice, then repeat moving to the adjacent square on the right as long as the height of the next square ...
instruction
0
13,144
15
26,288
"Correct Solution: ``` N = int(input()) H = list(map(int,input().split())) a =[0]*(N+1) for i in range(N-1,0,-1): if H[i]<=H[i-1]: a[i] = a[i+1]+1 print(max(a)) ```
output
1
13,144
15
26,289
Provide a correct Python 3 solution for this coding contest problem. There are N squares arranged in a row from left to right. The height of the i-th square from the left is H_i. You will land on a square of your choice, then repeat moving to the adjacent square on the right as long as the height of the next square ...
instruction
0
13,145
15
26,290
"Correct Solution: ``` n,a=input(),list(map(int,input().split())) ans,now,cnt=0,10**20,0 for i in a: if i>now: cnt=0 cnt+=1 now=i ans=max(ans,cnt) print(ans-1) ```
output
1
13,145
15
26,291
Provide a correct Python 3 solution for this coding contest problem. There are N squares arranged in a row from left to right. The height of the i-th square from the left is H_i. You will land on a square of your choice, then repeat moving to the adjacent square on the right as long as the height of the next square ...
instruction
0
13,146
15
26,292
"Correct Solution: ``` n=int(input()) a=[int(i) for i in input().split()] m=0 c=0 for i in range(n-1): if a[i]>=a[i+1]: c+=1 else: c=0 if c>m: m=c print(m) ```
output
1
13,146
15
26,293
Provide a correct Python 3 solution for this coding contest problem. There are N squares arranged in a row from left to right. The height of the i-th square from the left is H_i. You will land on a square of your choice, then repeat moving to the adjacent square on the right as long as the height of the next square ...
instruction
0
13,147
15
26,294
"Correct Solution: ``` N=int(input()) H=list(map(int,input().split())) a=b=c=0 for i in range(N): if H[i]<=a: a=H[i] b+=1 if b>=c: c=b else: a=H[i] b=0 print(c) ```
output
1
13,147
15
26,295
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N squares arranged in a row from left to right. The height of the i-th square from the left is H_i. You will land on a square of your choice, then repeat moving to the adjacent squar...
instruction
0
13,148
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Yes
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1
13,148
15
26,297