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Provide tags and a correct Python 3 solution for this coding contest problem. You are given an array consisting of n non-negative integers a1, a2, ..., an. You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 to n defining the order elements of the array ar...
instruction
0
99,931
12
199,862
Tags: data structures, dsu Correct Solution: ``` # Bosdiwale code chap kr kya milega # Motherfuckers Don't copy code for the sake of doing it # .............. # ╭━┳━╭━╭━╮╮ # ┃┈┈┈┣▅╋▅┫┃ # ┃┈┃┈╰━╰━━━━━━╮ # ╰┳╯┈┈┈┈┈┈┈┈┈◢▉◣ # ╲┃┈┈┈┈┈┈┈┈┈┈▉▉▉ # ╲┃┈┈┈┈┈┈┈┈┈┈◥▉◤ # ╲┃┈┈┈┈╭━┳━━━━╯ # ╲┣━━━━━━┫ # ………. # .……. /´¯/)………….(\¯`\ # ………...
output
1
99,931
12
199,863
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an array consisting of n non-negative integers a1, a2, ..., an. You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 to n defining the order elements of the array ar...
instruction
0
99,932
12
199,864
Tags: data structures, dsu Correct Solution: ``` def main(): def f(x): l = [] while x != clusters[x]: l.append(x) x = clusters[x] for y in l: clusters[y] = x return x n, aa = int(input()), [0, *map(int, input().split()), 0] l, clusters, mx...
output
1
99,932
12
199,865
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 consisting of n non-negative integers a1, a2, ..., an. You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 t...
instruction
0
99,933
12
199,866
Yes
output
1
99,933
12
199,867
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 consisting of n non-negative integers a1, a2, ..., an. You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 t...
instruction
0
99,934
12
199,868
Yes
output
1
99,934
12
199,869
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 consisting of n non-negative integers a1, a2, ..., an. You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 t...
instruction
0
99,935
12
199,870
Yes
output
1
99,935
12
199,871
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 consisting of n non-negative integers a1, a2, ..., an. You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 t...
instruction
0
99,936
12
199,872
Yes
output
1
99,936
12
199,873
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 consisting of n non-negative integers a1, a2, ..., an. You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 t...
instruction
0
99,937
12
199,874
No
output
1
99,937
12
199,875
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 consisting of n non-negative integers a1, a2, ..., an. You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 t...
instruction
0
99,938
12
199,876
No
output
1
99,938
12
199,877
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 consisting of n non-negative integers a1, a2, ..., an. You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 t...
instruction
0
99,939
12
199,878
No
output
1
99,939
12
199,879
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 consisting of n non-negative integers a1, a2, ..., an. You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 t...
instruction
0
99,940
12
199,880
No
output
1
99,940
12
199,881
Provide tags and a correct Python 3 solution for this coding contest problem. Consider the function p(x), where x is an array of m integers, which returns an array y consisting of m + 1 integers such that yi is equal to the sum of first i elements of array x (0 ≤ i ≤ m). You have an infinite sequence of arrays A0, A1...
instruction
0
99,981
12
199,962
Tags: binary search, brute force, combinatorics, math, matrices Correct Solution: ``` from sys import stdin, stdout from math import factorial from math import log10 def check(pw, values, k): n = len(values) matr = [[0 for i in range(n)] for j in range(n)] res = [[0 for i in range(n)] for j in range(...
output
1
99,981
12
199,963
Provide tags and a correct Python 3 solution for this coding contest problem. Consider the function p(x), where x is an array of m integers, which returns an array y consisting of m + 1 integers such that yi is equal to the sum of first i elements of array x (0 ≤ i ≤ m). You have an infinite sequence of arrays A0, A1...
instruction
0
99,982
12
199,964
Tags: binary search, brute force, combinatorics, math, matrices Correct Solution: ``` from itertools import * n, k = map(int, input().split()) *A, = map(int, input().split()) alc = 0 for v in A: if v > 0: alc += 1 if max(A) >= k: print(0) elif alc <= 20: l = 0 r = int(1e18) while l + 1 < r: ...
output
1
99,982
12
199,965
Provide tags and a correct Python 3 solution for this coding contest problem. Consider the function p(x), where x is an array of m integers, which returns an array y consisting of m + 1 integers such that yi is equal to the sum of first i elements of array x (0 ≤ i ≤ m). You have an infinite sequence of arrays A0, A1...
instruction
0
99,983
12
199,966
Tags: binary search, brute force, combinatorics, math, matrices Correct Solution: ``` import sys n, k = map(int, input().split()) ar = [] br = map(int, input().split()) for x in br: if(x > 0 or len(ar) > 0): ar.append(x) if(max(ar) >= k): print(0) elif len(ar) == 2: print((k - ar[1] + ar[0] - 1)//a...
output
1
99,983
12
199,967
Provide tags and a correct Python 3 solution for this coding contest problem. Consider the function p(x), where x is an array of m integers, which returns an array y consisting of m + 1 integers such that yi is equal to the sum of first i elements of array x (0 ≤ i ≤ m). You have an infinite sequence of arrays A0, A1...
instruction
0
99,984
12
199,968
Tags: binary search, brute force, combinatorics, math, matrices Correct Solution: ``` from math import factorial def ncr(n, r): ans = 1 for i in range(r): ans*=n-i for i in range(r): ans//=i+1 return ans n,k = map(int, input().split()) inp = list(map(int,input().split())) nz = 0 seq = [...
output
1
99,984
12
199,969
Provide tags and a correct Python 3 solution for this coding contest problem. Consider the function p(x), where x is an array of m integers, which returns an array y consisting of m + 1 integers such that yi is equal to the sum of first i elements of array x (0 ≤ i ≤ m). You have an infinite sequence of arrays A0, A1...
instruction
0
99,985
12
199,970
Tags: binary search, brute force, combinatorics, math, matrices Correct Solution: ``` import sys def mul(a, b): #print(a, b) n = len(a) m = [[0 for j in range(n)] for i in range(n)] for i in range(n): for j in range(n): for k in range(n): m[i][j] += a[i][k] * b[k][j]...
output
1
99,985
12
199,971
Provide tags and a correct Python 3 solution for this coding contest problem. Consider the function p(x), where x is an array of m integers, which returns an array y consisting of m + 1 integers such that yi is equal to the sum of first i elements of array x (0 ≤ i ≤ m). You have an infinite sequence of arrays A0, A1...
instruction
0
99,986
12
199,972
Tags: binary search, brute force, combinatorics, math, matrices Correct Solution: ``` s=input().split() n=int(s[0]) k=int(s[1]) L=list(map(int,input().split())) lx=0 while L[lx]==0: lx+=1 A=[] for i in range(lx,n): A.append(L[i]) n=len(A) n=len(A) def good(l): coeff=1 tot=0 for i in reversed(range(...
output
1
99,986
12
199,973
Provide tags and a correct Python 3 solution for this coding contest problem. Consider the function p(x), where x is an array of m integers, which returns an array y consisting of m + 1 integers such that yi is equal to the sum of first i elements of array x (0 ≤ i ≤ m). You have an infinite sequence of arrays A0, A1...
instruction
0
99,987
12
199,974
Tags: binary search, brute force, combinatorics, math, matrices Correct Solution: ``` n,k = map(int,input().split()); a = list(map(int,input().split())); if max(a) >= k: print(0) exit() lx = 0 while a[lx] == 0: lx+=1 lo,hi = 1,k def can(x): bc = 1 tot = 0 for i in range(n-lx): if(bc ...
output
1
99,987
12
199,975
Provide tags and a correct Python 3 solution for this coding contest problem. Consider the function p(x), where x is an array of m integers, which returns an array y consisting of m + 1 integers such that yi is equal to the sum of first i elements of array x (0 ≤ i ≤ m). You have an infinite sequence of arrays A0, A1...
instruction
0
99,988
12
199,976
Tags: binary search, brute force, combinatorics, math, matrices Correct Solution: ``` n, k = map(int,input().split()) a = list(map(int,input().split())) ptr = 0 while a[ptr]==0: ptr += 1 def check(x): if x==0: return max(a) >= k binomial = 1 sum = 0 for i in range(n-ptr): if binomial >= k...
output
1
99,988
12
199,977
Provide tags and a correct Python 3 solution for this coding contest problem. Now Vasya is taking an exam in mathematics. In order to get a good mark, Vasya needs to guess the matrix that the teacher has constructed! Vasya knows that the matrix consists of n rows and m columns. For each row, he knows the xor (bitwise...
instruction
0
100,319
12
200,638
Tags: constructive algorithms, flows, math Correct Solution: ``` USE_STDIO = False if not USE_STDIO: try: import mypc except: pass def getXor(a): ans = 0 for x in a: ans ^= x return ans def main(): n, m = map(int, input().split(' ')) a = [x for x in map(int, input().split(' '))] ...
output
1
100,319
12
200,639
Provide tags and a correct Python 3 solution for this coding contest problem. Now Vasya is taking an exam in mathematics. In order to get a good mark, Vasya needs to guess the matrix that the teacher has constructed! Vasya knows that the matrix consists of n rows and m columns. For each row, he knows the xor (bitwise...
instruction
0
100,320
12
200,640
Tags: constructive algorithms, flows, math Correct Solution: ``` n,m = map(int,input().split()) r = list(map(int,input().split())) c = list(map(int,input().split())) mat = [[0]*m for i in range(n)] fail = False for p in range(60): totr = 0 needr = [] totc = 0 needc = [] for i in range(n): i...
output
1
100,320
12
200,641
Provide tags and a correct Python 3 solution for this coding contest problem. Now Vasya is taking an exam in mathematics. In order to get a good mark, Vasya needs to guess the matrix that the teacher has constructed! Vasya knows that the matrix consists of n rows and m columns. For each row, he knows the xor (bitwise...
instruction
0
100,321
12
200,642
Tags: constructive algorithms, flows, math Correct Solution: ``` i=lambda:[*map(int,input().split())] n,m=i() a,b=i(),i() def s(a): r=0 for i in a: r^=i return r if s(a)==s(b): print("YES") b[0]^=s(a[1:]) print(*b) for i in a[1:]:print(str(i)+' 0'*(m-1)) else: print("NO") ```
output
1
100,321
12
200,643
Provide tags and a correct Python 3 solution for this coding contest problem. Now Vasya is taking an exam in mathematics. In order to get a good mark, Vasya needs to guess the matrix that the teacher has constructed! Vasya knows that the matrix consists of n rows and m columns. For each row, he knows the xor (bitwise...
instruction
0
100,322
12
200,644
Tags: constructive algorithms, flows, math Correct Solution: ``` from functools import reduce n, m = map(int, input().split()) a = list(map(int, input().split())) b = list(map(int, input().split())) if reduce( (lambda x, y: x^y), a) != reduce( (lambda x, y: x^y), b): print('NO') else: print('YES') for row in rang...
output
1
100,322
12
200,645
Provide tags and a correct Python 3 solution for this coding contest problem. Now Vasya is taking an exam in mathematics. In order to get a good mark, Vasya needs to guess the matrix that the teacher has constructed! Vasya knows that the matrix consists of n rows and m columns. For each row, he knows the xor (bitwise...
instruction
0
100,323
12
200,646
Tags: constructive algorithms, flows, math Correct Solution: ``` n, m = map(int, input().split()) xor_sum = [] a = [] for i in range(2): a.append(list(map(int, input().split()))) xor_sum.append(0) for x in a[-1]: xor_sum[-1] ^= x if xor_sum[0] != xor_sum[1]: print('NO') exit(0) print('YES') for i in ra...
output
1
100,323
12
200,647
Provide tags and a correct Python 3 solution for this coding contest problem. Now Vasya is taking an exam in mathematics. In order to get a good mark, Vasya needs to guess the matrix that the teacher has constructed! Vasya knows that the matrix consists of n rows and m columns. For each row, he knows the xor (bitwise...
instruction
0
100,324
12
200,648
Tags: constructive algorithms, flows, math Correct Solution: ``` n,m=map(int,input().split()) a=list(map(int,input().split())) b=list(map(int,input().split())) x=a[-1] y=b[-1] for j in range(m-1): x=x^b[j] for j in range(n-1): y=y^a[j] if x!=y: print("NO") else: print("YES") c=[] for i in range(...
output
1
100,324
12
200,649
Provide tags and a correct Python 3 solution for this coding contest problem. Now Vasya is taking an exam in mathematics. In order to get a good mark, Vasya needs to guess the matrix that the teacher has constructed! Vasya knows that the matrix consists of n rows and m columns. For each row, he knows the xor (bitwise...
instruction
0
100,325
12
200,650
Tags: constructive algorithms, flows, math Correct Solution: ``` n,m=map(int,input().split()) a=list(map(int,input().split())) b=list(map(int,input().split())) xorall=0 def xor(a): x=0 for i in a: x^=i return x if xor(a)!=xor(b): print("NO") else: print("YES") a[0]^=xor(b[1:]) print...
output
1
100,325
12
200,651
Provide tags and a correct Python 3 solution for this coding contest problem. Now Vasya is taking an exam in mathematics. In order to get a good mark, Vasya needs to guess the matrix that the teacher has constructed! Vasya knows that the matrix consists of n rows and m columns. For each row, he knows the xor (bitwise...
instruction
0
100,326
12
200,652
Tags: constructive algorithms, flows, math Correct Solution: ``` ###### ### ####### ####### ## # ##### ### ##### # # # # # # # # # # # # # ### # # # # # # # # # # # # # ###...
output
1
100,326
12
200,653
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer between 1 and n ⋅ m, inclusive; * take any column...
instruction
0
100,461
12
200,922
Tags: greedy, implementation, math Correct Solution: ``` n, m = (int(i) for i in input().split()) a = [[int(i) for i in input().split()] for _ in range(n)] res = 0 for j in range(m): b = [0] * n for i in range(n): if a[i][j] <= n*m and (a[i][j]-j-1)%m == 0: pos = (a[i][j]-j-1)//m shift = i-pos if i>=pos else ...
output
1
100,461
12
200,923
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer between 1 and n ⋅ m, inclusive; * take any column...
instruction
0
100,462
12
200,924
Tags: greedy, implementation, math Correct Solution: ``` #from bisect import bisect_left as bl #c++ lowerbound bl(array,element) #from bisect import bisect_right as br #c++ upperbound br(array,element) #from __future__ import print_function, division #while using python2 # from itertools...
output
1
100,462
12
200,925
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer between 1 and n ⋅ m, inclusive; * take any column...
instruction
0
100,463
12
200,926
Tags: greedy, implementation, math Correct Solution: ``` from sys import stdin, stdout def main(): arr = list(map(int, stdin.readline().split())) X = arr[0] Y = arr[1] rect = list() temp = list() for j in range(X): temp.append(0) for i in range(Y): rect.append(list(temp)) ...
output
1
100,463
12
200,927
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer between 1 and n ⋅ m, inclusive; * take any column...
instruction
0
100,464
12
200,928
Tags: greedy, implementation, math Correct Solution: ``` ''' Hey stalker :) ''' INF = 10**10 def main(): #print = out.append ''' Cook your dish here! ''' n, m = get_list() mat = [get_list() for _ in range(n)] res = 0 for j in range(m): shifts = [0]*n for i in range(n): ...
output
1
100,464
12
200,929
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer between 1 and n ⋅ m, inclusive; * take any column...
instruction
0
100,465
12
200,930
Tags: greedy, implementation, math Correct Solution: ``` import sys from collections import defaultdict, deque inp = sys.stdin.readline read = lambda: list(map(int, inp().split())) def e(): res = 0 n, m = read() mat = [None]*n for i in range(n): mat[i] = read() for col in range(m): b = [0]*n#defaultdic...
output
1
100,465
12
200,931
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer between 1 and n ⋅ m, inclusive; * take any column...
instruction
0
100,466
12
200,932
Tags: greedy, implementation, math Correct Solution: ``` #!/usr/bin/env python3 # -*- coding: utf-8 -*- """ Created on Tue Jan 21 18:49:02 2020 @author: dennis """ import atexit import io import sys _INPUT_LINES = sys.stdin.read().splitlines() input = iter(_INPUT_LINES).__next__ _OUTPUT_BUFFER = io.StringIO() sys.st...
output
1
100,466
12
200,933
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer between 1 and n ⋅ m, inclusive; * take any column...
instruction
0
100,467
12
200,934
Tags: greedy, implementation, math Correct Solution: ``` def solve(column,start,n,m): shiftCnts=[0 for _ in range(n)] for actualPosition in range(n): v=column[actualPosition] if v>n*m: continue desiredPosition=(v-1)//m desiredValueAtDesiredPosition=start+m*desiredPosi...
output
1
100,467
12
200,935
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer between 1 and n ⋅ m, inclusive; * take any column...
instruction
0
100,468
12
200,936
Tags: greedy, implementation, math Correct Solution: ``` from bisect import bisect_left as bl from bisect import bisect_right as br import heapq import math from collections import * from functools import reduce,cmp_to_key import sys input = sys.stdin.readline # M = mod = 998244353 def factors(n):return sorted(set(re...
output
1
100,468
12
200,937
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer betwe...
instruction
0
100,469
12
200,938
Yes
output
1
100,469
12
200,939
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer betwe...
instruction
0
100,470
12
200,940
Yes
output
1
100,470
12
200,941
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer betwe...
instruction
0
100,471
12
200,942
Yes
output
1
100,471
12
200,943
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer betwe...
instruction
0
100,472
12
200,944
Yes
output
1
100,472
12
200,945
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer betwe...
instruction
0
100,473
12
200,946
No
output
1
100,473
12
200,947
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer betwe...
instruction
0
100,474
12
200,948
No
output
1
100,474
12
200,949
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer betwe...
instruction
0
100,475
12
200,950
No
output
1
100,475
12
200,951
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a rectangular matrix of size n × m consisting of integers from 1 to 2 ⋅ 10^5. In one move, you can: * choose any element of the matrix and change its value to any integer betwe...
instruction
0
100,476
12
200,952
No
output
1
100,476
12
200,953
Provide tags and a correct Python 3 solution for this coding contest problem. We define x mod y as the remainder of division of x by y (\% operator in C++ or Java, mod operator in Pascal). Let's call an array of positive integers [a_1, a_2, ..., a_k] stable if for every permutation p of integers from 1 to k, and for ...
instruction
0
100,496
12
200,992
Tags: combinatorics, math, number theory Correct Solution: ``` from bisect import bisect_left as bl from bisect import bisect_right as br from heapq import heappush,heappop import math from collections import * from functools import reduce,cmp_to_key,lru_cache import io, os input = io.BytesIO(os.read(0,os.fstat(0).st_s...
output
1
100,496
12
200,993
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We define x mod y as the remainder of division of x by y (\% operator in C++ or Java, mod operator in Pascal). Let's call an array of positive integers [a_1, a_2, ..., a_k] stable if for every ...
instruction
0
100,503
12
201,006
Yes
output
1
100,503
12
201,007
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We define x mod y as the remainder of division of x by y (\% operator in C++ or Java, mod operator in Pascal). Let's call an array of positive integers [a_1, a_2, ..., a_k] stable if for every ...
instruction
0
100,509
12
201,018
No
output
1
100,509
12
201,019
Provide tags and a correct Python 3 solution for this coding contest problem. Baby Ehab is known for his love for a certain operation. He has an array a of length n, and he decided to keep doing the following operation on it: * he picks 2 adjacent elements; he then removes them and places a single integer in their...
instruction
0
100,558
12
201,116
Tags: bitmasks, brute force, dp, greedy Correct Solution: ``` import math, sys from collections import defaultdict, Counter, deque from heapq import heapify, heappush, heappop MOD = int(1e9) + 7 def main(): n = int(input()) arr = list(map(int, input().split())) pre = [0 for i in range(n)] suf = [0 for i in ran...
output
1
100,558
12
201,117
Provide tags and a correct Python 3 solution for this coding contest problem. Baby Ehab is known for his love for a certain operation. He has an array a of length n, and he decided to keep doing the following operation on it: * he picks 2 adjacent elements; he then removes them and places a single integer in their...
instruction
0
100,559
12
201,118
Tags: bitmasks, brute force, dp, greedy Correct Solution: ``` #!/usr/bin/env python import os import sys from io import BytesIO, IOBase import threading from bisect import bisect_right from math import gcd,log from collections import Counter,defaultdict,deque from pprint import pprint from itertools import permutation...
output
1
100,559
12
201,119
Provide tags and a correct Python 3 solution for this coding contest problem. Baby Ehab is known for his love for a certain operation. He has an array a of length n, and he decided to keep doing the following operation on it: * he picks 2 adjacent elements; he then removes them and places a single integer in their...
instruction
0
100,560
12
201,120
Tags: bitmasks, brute force, dp, greedy Correct Solution: ``` from collections import Counter t = int(input()) for _ in range(t): n = int(input()) lst = list(map(int,input().split())) pre = [] pos = [-1] x = 0 for i in lst: x = x^i pre.append(x) x = 0 for i in lst[::-1]:...
output
1
100,560
12
201,121
Provide tags and a correct Python 3 solution for this coding contest problem. Baby Ehab is known for his love for a certain operation. He has an array a of length n, and he decided to keep doing the following operation on it: * he picks 2 adjacent elements; he then removes them and places a single integer in their...
instruction
0
100,561
12
201,122
Tags: bitmasks, brute force, dp, greedy Correct Solution: ``` import math as mt # from collections import defaultdict # from collections import Counter, deque # from itertools import permutations # from functools import reduce # from heapq import heapify, heappop, heappush, heapreplace def getInput(): return sys.std...
output
1
100,561
12
201,123
Provide tags and a correct Python 3 solution for this coding contest problem. Baby Ehab is known for his love for a certain operation. He has an array a of length n, and he decided to keep doing the following operation on it: * he picks 2 adjacent elements; he then removes them and places a single integer in their...
instruction
0
100,562
12
201,124
Tags: bitmasks, brute force, dp, greedy Correct Solution: ``` from itertools import accumulate tests = int(input()) for t in range(tests): n = int(input()) arr = map(int, input().split(' ')) pref = list(accumulate(arr, lambda a, b: a ^ b)) if pref[-1] == 0: # can split into 2 print("YES...
output
1
100,562
12
201,125