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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have N bamboos. The lengths (in centimeters) of these are l_1, l_2, ..., l_N, respectively. Your objective is to use some of these bamboos (possibly all) to obtain three bamboos of length A...
instruction
0
58,725
8
117,450
Yes
output
1
58,725
8
117,451
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have N bamboos. The lengths (in centimeters) of these are l_1, l_2, ..., l_N, respectively. Your objective is to use some of these bamboos (possibly all) to obtain three bamboos of length A...
instruction
0
58,727
8
117,454
No
output
1
58,727
8
117,455
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have N bamboos. The lengths (in centimeters) of these are l_1, l_2, ..., l_N, respectively. Your objective is to use some of these bamboos (possibly all) to obtain three bamboos of length A...
instruction
0
58,728
8
117,456
No
output
1
58,728
8
117,457
Provide tags and a correct Python 3 solution for this coding contest problem. Dora loves adventures quite a lot. During some journey she encountered an amazing city, which is formed by n streets along the Eastern direction and m streets across the Southern direction. Naturally, this city has nm intersections. At any i...
instruction
0
58,872
8
117,744
Tags: implementation, sortings Correct Solution: ``` #Code by Sounak, IIESTS #------------------------------warmup---------------------------- import os import sys import math from io import BytesIO, IOBase from fractions import Fraction import collections from itertools import permutations from collections import def...
output
1
58,872
8
117,745
Provide tags and a correct Python 3 solution for this coding contest problem. Dora loves adventures quite a lot. During some journey she encountered an amazing city, which is formed by n streets along the Eastern direction and m streets across the Southern direction. Naturally, this city has nm intersections. At any i...
instruction
0
58,873
8
117,746
Tags: implementation, sortings Correct Solution: ``` n, m = list(map(int, input().split())) gor = [] ver = [] o = [] for i in range(n): gor.append(list(map(int, input().split()))) o.append([]) for i in range(m): ver.append([]) for i in range(m): for g in gor: ver[i].append(g[i]) ver = list(map(l...
output
1
58,873
8
117,747
Provide tags and a correct Python 3 solution for this coding contest problem. Dora loves adventures quite a lot. During some journey she encountered an amazing city, which is formed by n streets along the Eastern direction and m streets across the Southern direction. Naturally, this city has nm intersections. At any i...
instruction
0
58,874
8
117,748
Tags: implementation, sortings Correct Solution: ``` from bisect import bisect_left import sys input = sys.stdin.buffer.readline n, m = map(int, input().split()) a = [list(map(int, input().split())) for i in range(n)] yoko_less = [[0] * m for i in range(n)] yoko_more = [[0] * m for i in range(n)] for i in range(n): ...
output
1
58,874
8
117,749
Provide tags and a correct Python 3 solution for this coding contest problem. Dora loves adventures quite a lot. During some journey she encountered an amazing city, which is formed by n streets along the Eastern direction and m streets across the Southern direction. Naturally, this city has nm intersections. At any i...
instruction
0
58,875
8
117,750
Tags: implementation, sortings Correct Solution: ``` 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.writable = "x" in file.mode or "r" not in fil...
output
1
58,875
8
117,751
Provide tags and a correct Python 3 solution for this coding contest problem. Dora loves adventures quite a lot. During some journey she encountered an amazing city, which is formed by n streets along the Eastern direction and m streets across the Southern direction. Naturally, this city has nm intersections. At any i...
instruction
0
58,876
8
117,752
Tags: implementation, sortings Correct Solution: ``` import sys input=sys.stdin.readline n, m = map(int, input().split()) St = [list(map(int, input().split())) for _ in range(n)] ppr = [sorted(list(set(s))) for s in St] PR = [] for i in range(n): H = dict() for j, v in enumerate(ppr[i], 1): H[v] = j ...
output
1
58,876
8
117,753
Provide tags and a correct Python 3 solution for this coding contest problem. Dora loves adventures quite a lot. During some journey she encountered an amazing city, which is formed by n streets along the Eastern direction and m streets across the Southern direction. Naturally, this city has nm intersections. At any i...
instruction
0
58,877
8
117,754
Tags: implementation, sortings Correct Solution: ``` import heapq import sys from collections import defaultdict, Counter from functools import reduce n, m = list(map(int, input().split())) arr = [] for _ in range(n): arr.append(list(map(int, input().split()))) rows = [] for i in range(n): row = set() fo...
output
1
58,877
8
117,755
Provide tags and a correct Python 3 solution for this coding contest problem. Dora loves adventures quite a lot. During some journey she encountered an amazing city, which is formed by n streets along the Eastern direction and m streets across the Southern direction. Naturally, this city has nm intersections. At any i...
instruction
0
58,878
8
117,756
Tags: implementation, sortings Correct Solution: ``` import sys input=sys.stdin.buffer.readline from bisect import bisect_left n,m=map(int,input().split()) arr=[] for i in range(n): arr.append(list(map(int,input().split()))) arr_maxi=[[0 for i in range(m)] for j in range(n)] arr_mini=[[0 for i in range(m)] for j in...
output
1
58,878
8
117,757
Provide tags and a correct Python 3 solution for this coding contest problem. Dora loves adventures quite a lot. During some journey she encountered an amazing city, which is formed by n streets along the Eastern direction and m streets across the Southern direction. Naturally, this city has nm intersections. At any i...
instruction
0
58,879
8
117,758
Tags: implementation, sortings Correct Solution: ``` import sys from bisect import bisect_left input=sys.stdin.buffer.readline n,m=map(int,input().split()) a=[list(map(int,input().split())) for i in range(n)] lr_less=[[0]*m for i in range(n)] lr_more=[[0]*m for i in range(n)] for i in range(n): lr=sorted(set(a[i])) ...
output
1
58,879
8
117,759
Provide tags and a correct Python 3 solution for this coding contest problem. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place, the lab with the number 2 is at the second-low...
instruction
0
58,930
8
117,860
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` x=int(input()) s=[[0 for n in range(x)] for n in range(x)] v=1 for n in range(x): if n%2==0: for k in range(x): s[k][n]=v v+=1 else: for k in range(x-1,-1,-1): s[k][n]=v v+=1 for n in s: print(*n) ```
output
1
58,930
8
117,861
Provide tags and a correct Python 3 solution for this coding contest problem. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place, the lab with the number 2 is at the second-low...
instruction
0
58,931
8
117,862
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` n = int(input()) for i in range(n): ansline = [] for j in range(n): if j % 2 == 0: ansline.append(1 + j*n+i) else: ansline.append(1 + (j+1)*n-i-1) print(*ansline) ```
output
1
58,931
8
117,863
Provide tags and a correct Python 3 solution for this coding contest problem. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place, the lab with the number 2 is at the second-low...
instruction
0
58,932
8
117,864
Tags: constructive algorithms, greedy, implementation 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 ...
output
1
58,932
8
117,865
Provide tags and a correct Python 3 solution for this coding contest problem. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place, the lab with the number 2 is at the second-low...
instruction
0
58,933
8
117,866
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` n=int(input()) ans=[[] for i in range(n)] flag=0 for i in range(1,(n*n)+1): if flag==0: c=i%n ans[c-1].append(i) if c==0: flag=1 else: c=n-(i%n) if c==n: flag=0 c=0 ans[c].append(i) for op in ans: for a in op: print(a,...
output
1
58,933
8
117,867
Provide tags and a correct Python 3 solution for this coding contest problem. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place, the lab with the number 2 is at the second-low...
instruction
0
58,934
8
117,868
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` import sys input = sys.stdin.buffer.readline n = int(input()) res = [[] for _ in range(n)] for i in range(n): for j in range(n): if i % 2: res[n - j - 1].append(i * n + j + 1) else: res[j].append(i * n + j + 1) for r in re...
output
1
58,934
8
117,869
Provide tags and a correct Python 3 solution for this coding contest problem. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place, the lab with the number 2 is at the second-low...
instruction
0
58,935
8
117,870
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` def create(n): res = [[0] * n for _ in range(n)] cur = 1 for j in range(n): for i in (range(n - 1, -1, -1) if j & 1 else range(n)): res[i][j] = cur cur += 1 return res n = int(input()) res = creat...
output
1
58,935
8
117,871
Provide tags and a correct Python 3 solution for this coding contest problem. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place, the lab with the number 2 is at the second-low...
instruction
0
58,936
8
117,872
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` N = int(input()) ans = [[] for _ in range(N)] for i in range(N): for j in range(1, N+1): if i%2 == 0: ans[j-1].append(N*i+j) else: ans[N-j].append(N*i+j) for i in range(N): for j in range(N): ...
output
1
58,936
8
117,873
Provide tags and a correct Python 3 solution for this coding contest problem. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place, the lab with the number 2 is at the second-low...
instruction
0
58,937
8
117,874
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` import os import sys from io import BytesIO, IOBase from collections import Counter BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() ...
output
1
58,937
8
117,875
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place,...
instruction
0
58,938
8
117,876
Yes
output
1
58,938
8
117,877
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place,...
instruction
0
58,939
8
117,878
Yes
output
1
58,939
8
117,879
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place,...
instruction
0
58,940
8
117,880
Yes
output
1
58,940
8
117,881
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place,...
instruction
0
58,941
8
117,882
Yes
output
1
58,941
8
117,883
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place,...
instruction
0
58,942
8
117,884
No
output
1
58,942
8
117,885
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place,...
instruction
0
58,943
8
117,886
No
output
1
58,943
8
117,887
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place,...
instruction
0
58,944
8
117,888
No
output
1
58,944
8
117,889
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place,...
instruction
0
58,945
8
117,890
No
output
1
58,945
8
117,891
Provide tags and a correct Python 3 solution for this coding contest problem. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. all a_i are distinct). Each air conditioner is c...
instruction
0
59,081
8
118,162
Tags: data structures, dp, implementation, shortest paths, sortings, two pointers Correct Solution: ``` import math;import heapq;import sys;input=sys.stdin.readline;S=lambda:input();I=lambda:int(S());M=lambda:map(int,S().split());L=lambda:list(M());H=1000000000+7 for _ in range(I()): s=input() n,k=M() po=L() t=L() ...
output
1
59,081
8
118,163
Provide tags and a correct Python 3 solution for this coding contest problem. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. all a_i are distinct). Each air conditioner is c...
instruction
0
59,082
8
118,164
Tags: data structures, dp, implementation, shortest paths, sortings, two pointers Correct Solution: ``` 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.wr...
output
1
59,082
8
118,165
Provide tags and a correct Python 3 solution for this coding contest problem. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. all a_i are distinct). Each air conditioner is c...
instruction
0
59,083
8
118,166
Tags: data structures, dp, implementation, shortest paths, sortings, two pointers Correct Solution: ``` import sys from collections import deque #Counter #sys.setrecursionlimit(20000) #import itertools def rl(): return sys.stdin.readline().strip() def rl_types(types): str_list = [x for x in sys.stdin.readline...
output
1
59,083
8
118,167
Provide tags and a correct Python 3 solution for this coding contest problem. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. all a_i are distinct). Each air conditioner is c...
instruction
0
59,084
8
118,168
Tags: data structures, dp, implementation, shortest paths, sortings, two pointers Correct Solution: ``` from bisect import bisect_left from collections import defaultdict as D MAX = 99999999999 for _ in range(int(input())): s = input() n,k = map(int,input().split()) a = list( map( int, input().split() ) ) t =...
output
1
59,084
8
118,169
Provide tags and a correct Python 3 solution for this coding contest problem. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. all a_i are distinct). Each air conditioner is c...
instruction
0
59,085
8
118,170
Tags: data structures, dp, implementation, shortest paths, sortings, two pointers Correct Solution: ``` # ---------------------------iye ha aam zindegi--------------------------------------------- import math import random import heapq,bisect import sys from collections import deque, defaultdict from fractions import F...
output
1
59,085
8
118,171
Provide tags and a correct Python 3 solution for this coding contest problem. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. all a_i are distinct). Each air conditioner is c...
instruction
0
59,086
8
118,172
Tags: data structures, dp, implementation, shortest paths, sortings, two pointers Correct Solution: ``` import time from collections import deque def inpt(): return int(input()) def inpl(): return list(map(int,input().split())) def inpm(): return map(int,input().split()) def solve(): n,k = inpm()...
output
1
59,086
8
118,173
Provide tags and a correct Python 3 solution for this coding contest problem. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. all a_i are distinct). Each air conditioner is c...
instruction
0
59,087
8
118,174
Tags: data structures, dp, implementation, shortest paths, sortings, two pointers Correct Solution: ``` import heapq,math from collections import defaultdict,deque from os import getcwd import sys, os.path #sys.setrecursionlimit(100000000) if(os.path.exists('D:\CP\programs\input.txt')): sys.stdout = open('D:\CP\pr...
output
1
59,087
8
118,175
Provide tags and a correct Python 3 solution for this coding contest problem. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. all a_i are distinct). Each air conditioner is c...
instruction
0
59,088
8
118,176
Tags: data structures, dp, implementation, shortest paths, sortings, two pointers Correct Solution: ``` #Code by Sounak, IIESTS #------------------------------warmup---------------------------- import os import sys import math from io import BytesIO, IOBase import io from fractions import Fraction import collections f...
output
1
59,088
8
118,177
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. al...
instruction
0
59,089
8
118,178
Yes
output
1
59,089
8
118,179
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. al...
instruction
0
59,090
8
118,180
Yes
output
1
59,090
8
118,181
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. al...
instruction
0
59,091
8
118,182
Yes
output
1
59,091
8
118,183
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. al...
instruction
0
59,092
8
118,184
Yes
output
1
59,092
8
118,185
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. al...
instruction
0
59,093
8
118,186
No
output
1
59,093
8
118,187
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. al...
instruction
0
59,094
8
118,188
No
output
1
59,094
8
118,189
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. al...
instruction
0
59,095
8
118,190
No
output
1
59,095
8
118,191
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. On a strip of land of length n there are k air conditioners: the i-th air conditioner is placed in cell a_i (1 ≤ a_i ≤ n). Two or more air conditioners cannot be placed in the same cell (i.e. al...
instruction
0
59,096
8
118,192
No
output
1
59,096
8
118,193
Provide tags and a correct Python 2 solution for this coding contest problem. Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris. There are exactly s blocks in Chris's set, each block has a unique number from 1 to s. Chris's te...
instruction
0
59,193
8
118,386
Tags: greedy, implementation, math Correct Solution: ``` from sys import stdin, stdout from collections import Counter, defaultdict from itertools import permutations, combinations import heapq raw_input = stdin.readline pr = stdout.write def in_num(): return int(raw_input()) def in_arr(): return map(int,ra...
output
1
59,193
8
118,387
Provide tags and a correct Python 3 solution for this coding contest problem. Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris. There are exactly s blocks in Chris's set, each block has a unique number from 1 to s. Chris's te...
instruction
0
59,194
8
118,388
Tags: greedy, implementation, math Correct Solution: ``` import sys INF = 10**20 MOD = 10**9 + 7 I = lambda:list(map(int,input().split())) from math import gcd from math import ceil from collections import defaultdict as dd, Counter from bisect import bisect_left as bl, bisect_right as br """ Facts and Data represent...
output
1
59,194
8
118,389
Provide tags and a correct Python 3 solution for this coding contest problem. Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris. There are exactly s blocks in Chris's set, each block has a unique number from 1 to s. Chris's te...
instruction
0
59,195
8
118,390
Tags: greedy, implementation, math Correct Solution: ``` import sys def solve(): n = int(input()) s = 1000000 xset = set(map(int, input().split())) res = set() wantother = 0 for i in range(1, s + 1): opposite = s - i + 1 if i in xset: if opposite not in xset: ...
output
1
59,195
8
118,391
Provide tags and a correct Python 3 solution for this coding contest problem. Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris. There are exactly s blocks in Chris's set, each block has a unique number from 1 to s. Chris's te...
instruction
0
59,196
8
118,392
Tags: greedy, implementation, math Correct Solution: ``` import sys from math import gcd,sqrt,ceil from collections import defaultdict,Counter,deque import math # input=sys.stdin.readline # def print(x): # sys.stdout.write(str(x)+"\n") # sys.stdout=open("CP1/output.txt",'w') # sys.stdin=open("CP1/input.txt",'r') ...
output
1
59,196
8
118,393
Provide tags and a correct Python 3 solution for this coding contest problem. Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris. There are exactly s blocks in Chris's set, each block has a unique number from 1 to s. Chris's te...
instruction
0
59,197
8
118,394
Tags: greedy, implementation, math Correct Solution: ``` if __name__ == '__main__': n = int(input()) l = [int(i) for i in list(input().split())] # mask to indicate if a number is taken size = 10**6 mask = [0] * (size+1) for i in l: mask[i] = 1 counter = 0 result = [] for...
output
1
59,197
8
118,395
Provide tags and a correct Python 3 solution for this coding contest problem. Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris. There are exactly s blocks in Chris's set, each block has a unique number from 1 to s. Chris's te...
instruction
0
59,198
8
118,396
Tags: greedy, implementation, math Correct Solution: ``` import sys def solve(): n = int(input()) s = 1000000 xset = set(map(int, input().split())) res = set() wantother = 0 for i in range(1, s + 1): opposite = s - i + 1 if i in xset: if opposite not in xset: ...
output
1
59,198
8
118,397
Provide tags and a correct Python 3 solution for this coding contest problem. Vladimir wants to modernize partitions in his office. To make the office more comfortable he decided to remove a partition and plant several bamboos in a row. He thinks it would be nice if there are n bamboos in a row, and the i-th from the ...
instruction
0
59,381
8
118,762
Tags: brute force, data structures, implementation, math, number theory, sortings, two pointers Correct Solution: ``` import itertools unfold = itertools.chain.from_iterable def jumps(a): d = speedup while d < a - 1: c = (a + d - 1) // d d = (a + c - 2) // (c - 1) yield d def calc(d)...
output
1
59,381
8
118,763