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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N people are standing in a queue, numbered 1, 2, 3, ..., N from front to back. Each person wears a hat, which is red, blue, or green. The person numbered i says: * "In front of me, exactly A_i...
instruction
0
46,869
7
93,738
Yes
output
1
46,869
7
93,739
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N people are standing in a queue, numbered 1, 2, 3, ..., N from front to back. Each person wears a hat, which is red, blue, or green. The person numbered i says: * "In front of me, exactly A_i...
instruction
0
46,870
7
93,740
Yes
output
1
46,870
7
93,741
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N people are standing in a queue, numbered 1, 2, 3, ..., N from front to back. Each person wears a hat, which is red, blue, or green. The person numbered i says: * "In front of me, exactly A_i...
instruction
0
46,871
7
93,742
Yes
output
1
46,871
7
93,743
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N people are standing in a queue, numbered 1, 2, 3, ..., N from front to back. Each person wears a hat, which is red, blue, or green. The person numbered i says: * "In front of me, exactly A_i...
instruction
0
46,872
7
93,744
No
output
1
46,872
7
93,745
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N people are standing in a queue, numbered 1, 2, 3, ..., N from front to back. Each person wears a hat, which is red, blue, or green. The person numbered i says: * "In front of me, exactly A_i...
instruction
0
46,873
7
93,746
No
output
1
46,873
7
93,747
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N people are standing in a queue, numbered 1, 2, 3, ..., N from front to back. Each person wears a hat, which is red, blue, or green. The person numbered i says: * "In front of me, exactly A_i...
instruction
0
46,874
7
93,748
No
output
1
46,874
7
93,749
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N people are standing in a queue, numbered 1, 2, 3, ..., N from front to back. Each person wears a hat, which is red, blue, or green. The person numbered i says: * "In front of me, exactly A_i...
instruction
0
46,875
7
93,750
No
output
1
46,875
7
93,751
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Japan, people make offerings called hina arare, colorful crackers, on March 3. We have a bag that contains N hina arare. (From here, we call them arare.) It is known that the bag either con...
instruction
0
46,921
7
93,842
No
output
1
46,921
7
93,843
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Japan, people make offerings called hina arare, colorful crackers, on March 3. We have a bag that contains N hina arare. (From here, we call them arare.) It is known that the bag either con...
instruction
0
46,922
7
93,844
No
output
1
46,922
7
93,845
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Japan, people make offerings called hina arare, colorful crackers, on March 3. We have a bag that contains N hina arare. (From here, we call them arare.) It is known that the bag either con...
instruction
0
46,923
7
93,846
No
output
1
46,923
7
93,847
Provide tags and a correct Python 3 solution for this coding contest problem. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay one dollar to the sock store to either: * ...
instruction
0
47,253
7
94,506
Tags: greedy, sortings, two pointers Correct Solution: ``` def solve(): n, l, r = map(int, input().split()) c = list(map(int, input().split())) lc = [0] * (n+1) rc = [0] * (n+1) res = 0 for i in range(l): lc[c[i]] += 1 for i in range(l, n): rc[c[i]] += 1 for i in ra...
output
1
47,253
7
94,507
Provide tags and a correct Python 3 solution for this coding contest problem. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay one dollar to the sock store to either: * ...
instruction
0
47,254
7
94,508
Tags: greedy, sortings, two pointers Correct Solution: ``` import sys input = sys.stdin.buffer.readline def map_int(): return map(int, input().split()) def solve(): n, l, r=map_int() c=list(map_int()) if r>l: c=c[l:n]+c[:l] l, r = r, l color = [0]*(n+1) for i in range(n): ...
output
1
47,254
7
94,509
Provide tags and a correct Python 3 solution for this coding contest problem. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay one dollar to the sock store to either: * ...
instruction
0
47,255
7
94,510
Tags: greedy, sortings, two pointers Correct Solution: ``` # https://codeforces.com/contest/1515/problem/D import sys reader = (s.rstrip() for s in sys.stdin) input = reader.__next__ # do magic here t = int(input()) def makeDict(left): leftMap = {} for item in left: if item not in leftMap: ...
output
1
47,255
7
94,511
Provide tags and a correct Python 3 solution for this coding contest problem. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay one dollar to the sock store to either: * ...
instruction
0
47,256
7
94,512
Tags: greedy, sortings, two pointers Correct Solution: ``` #!/usr/bin/env python3 import sys, getpass import math, random import functools, itertools, collections, heapq, bisect from collections import Counter, defaultdict, deque input = sys.stdin.readline # to read input quickly # available on Google, AtCoder Python...
output
1
47,256
7
94,513
Provide tags and a correct Python 3 solution for this coding contest problem. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay one dollar to the sock store to either: * ...
instruction
0
47,257
7
94,514
Tags: greedy, sortings, two pointers Correct Solution: ``` # template begins ##################################### from io import BytesIO, IOBase import sys import math import os from collections import defaultdict from math import ceil from bisect import bisect_left, bisect_left from time import perf_counter # regio...
output
1
47,257
7
94,515
Provide tags and a correct Python 3 solution for this coding contest problem. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay one dollar to the sock store to either: * ...
instruction
0
47,258
7
94,516
Tags: greedy, sortings, two pointers Correct Solution: ``` from collections import defaultdict as dd for _ in range(int(input())): n,l,r=map(int,input().split()) a=list(map(int,input().split())) le=dd(int) ri=dd(int) k=abs(l-r) k//=2 for i in range(l): le[a[i]]+=1 for i in range(...
output
1
47,258
7
94,517
Provide tags and a correct Python 3 solution for this coding contest problem. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay one dollar to the sock store to either: * ...
instruction
0
47,259
7
94,518
Tags: greedy, sortings, two pointers Correct Solution: ``` from sys import stdin,stdout stdin.readline def mp(): return list(map(int, stdin.readline().strip().split())) def it():return int(stdin.readline().strip()) from collections import defaultdict as dd,Counter as C,deque from math import ceil,gcd,sqrt,factorial,log...
output
1
47,259
7
94,519
Provide tags and a correct Python 3 solution for this coding contest problem. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay one dollar to the sock store to either: * ...
instruction
0
47,260
7
94,520
Tags: greedy, sortings, two pointers Correct Solution: ``` import sys input = sys.stdin.readline import math mod=10**9+7 ############ ---- Input Functions ---- ############ def inp(): return(int(input())) def inlt(): return(list(map(int,input().split()))) def insr(): s = input() return(list(s[:len(s) - ...
output
1
47,260
7
94,521
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay...
instruction
0
47,261
7
94,522
Yes
output
1
47,261
7
94,523
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay...
instruction
0
47,262
7
94,524
Yes
output
1
47,262
7
94,525
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay...
instruction
0
47,263
7
94,526
Yes
output
1
47,263
7
94,527
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay...
instruction
0
47,264
7
94,528
Yes
output
1
47,264
7
94,529
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay...
instruction
0
47,265
7
94,530
No
output
1
47,265
7
94,531
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay...
instruction
0
47,266
7
94,532
No
output
1
47,266
7
94,533
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay...
instruction
0
47,267
7
94,534
No
output
1
47,267
7
94,535
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color c_i and is either a left sock or right sock. Phoenix can pay...
instruction
0
47,268
7
94,536
No
output
1
47,268
7
94,537
Provide tags and a correct Python 3 solution for this coding contest problem. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. He has several conditions: * overall, there m...
instruction
0
47,374
7
94,748
Tags: constructive algorithms, implementation Correct Solution: ``` n,m=map(int,input().split()) ans=[-1]*(n+1) for k in range(m): dancers=list(map(int,input().split())) need=[1,2,3] for i in dancers: if(ans[i]!=-1): need.remove(ans[i]) for i in dancers: if(ans[i]==-1): ans[i]=need.pop(-1) ...
output
1
47,374
7
94,749
Provide tags and a correct Python 3 solution for this coding contest problem. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. He has several conditions: * overall, there m...
instruction
0
47,375
7
94,750
Tags: constructive algorithms, implementation Correct Solution: ``` from sys import stdin,stdout stdin.readline def mp(): return list(map(int, stdin.readline().strip().split())) def it():return int(stdin.readline().strip()) from collections import defaultdict as dd,Counter as C,deque from math import ceil,gcd,sqrt,fac...
output
1
47,375
7
94,751
Provide tags and a correct Python 3 solution for this coding contest problem. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. He has several conditions: * overall, there m...
instruction
0
47,376
7
94,752
Tags: constructive algorithms, implementation Correct Solution: ``` n,m=map(int,input().split()) arr=[0 for i in range(n+1)] for i in range(m): x,y,z=map(int,input().split()) if([arr[x],arr[y],arr[z]]==[0,0,0]): arr[x],arr[y],arr[z]=1,2,3 else: ans=[1,2,3] if(arr[x]!=0): ...
output
1
47,376
7
94,753
Provide tags and a correct Python 3 solution for this coding contest problem. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. He has several conditions: * overall, there m...
instruction
0
47,377
7
94,754
Tags: constructive algorithms, implementation Correct Solution: ``` def main(): n, m = [int(i) for i in input().split()] colors = [0 for i in range(n + 1)] for i in range(m): arr = [int(i) for i in input().split()] early = colors[arr[0]] or colors[arr[1]] or colors[arr[2]] l = [...
output
1
47,377
7
94,755
Provide tags and a correct Python 3 solution for this coding contest problem. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. He has several conditions: * overall, there m...
instruction
0
47,378
7
94,756
Tags: constructive algorithms, implementation Correct Solution: ``` n,m = map(int,input().split(' ')) result,participated = [None]*n,{} #dancer : color for x in range(m): dancers = [int(i) for i in input().split(' ')] colors,temp = set([1,2,3]),-1 for d in range(3): if dancers[d] in participated: ...
output
1
47,378
7
94,757
Provide tags and a correct Python 3 solution for this coding contest problem. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. He has several conditions: * overall, there m...
instruction
0
47,379
7
94,758
Tags: constructive algorithms, implementation Correct Solution: ``` n,m=map(int,input().split()) ans=[-1]*(n+1) for _ in range(m): dancers=list(map(int,input().split())) need=[1,2,3] for i in dancers: if(ans[i]!=-1): need.remove(ans[i]) for i in dancers: if(ans[i]==-1): ans[i]=need.pop(-1) print...
output
1
47,379
7
94,759
Provide tags and a correct Python 3 solution for this coding contest problem. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. He has several conditions: * overall, there m...
instruction
0
47,380
7
94,760
Tags: constructive algorithms, implementation Correct Solution: ``` n,m=map(int,input().split()) li=[] for i in range(m): li.append([int(x) for x in input().split()]) d={} for i in range(m): x=li[i] use=[True]*3 l=[] for ele in x: if d.get(ele,0)!=0: use[d.get(ele)-1]=False f...
output
1
47,380
7
94,761
Provide tags and a correct Python 3 solution for this coding contest problem. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. He has several conditions: * overall, there m...
instruction
0
47,381
7
94,762
Tags: constructive algorithms, implementation Correct Solution: ``` n, m = map(int, input().split()) l = [-1]*n for i in range(m): a, b, c = map(int, input().split()) if(l[a-1] == -1 and l[b-1] == -1 and l[c-1] == -1): l[a-1] = 1 l[b-1] = 2 l[c-1] = 3 elif(l[a-1] == -1 and l[b-1] == ...
output
1
47,381
7
94,763
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. H...
instruction
0
47,382
7
94,764
Yes
output
1
47,382
7
94,765
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. H...
instruction
0
47,383
7
94,766
Yes
output
1
47,383
7
94,767
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. H...
instruction
0
47,384
7
94,768
Yes
output
1
47,384
7
94,769
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. H...
instruction
0
47,385
7
94,770
Yes
output
1
47,385
7
94,771
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. H...
instruction
0
47,386
7
94,772
No
output
1
47,386
7
94,773
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. H...
instruction
0
47,387
7
94,774
No
output
1
47,387
7
94,775
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. H...
instruction
0
47,388
7
94,776
No
output
1
47,388
7
94,777
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Berland, there is the national holiday coming β€” the Flag Day. In the honor of this event the president of the country decided to make a big dance party and asked your agency to organize it. H...
instruction
0
47,389
7
94,778
No
output
1
47,389
7
94,779
Provide a correct Python 3 solution for this coding contest problem. Dr. A of the Aizu Institute of Biological Research discovered a mysterious insect on a certain southern island. The shape is elongated like a hornworm, but since one segment is shaped like a ball, it looks like a beaded ball connected by a thread. Wh...
instruction
0
47,854
7
95,708
"Correct Solution: ``` from collections import deque def new_color(s, i, color): return s[:i] + color * 2 + s[i + 2:] def solve(s): length = len(s) monos = ["r" * length, "g" * length, "b" * length] if s in monos: print(0) return another = {("r", "g"):"b", ("g", "r"):"b", ("r", "b"):"...
output
1
47,854
7
95,709
Provide a correct Python 3 solution for this coding contest problem. Dr. A of the Aizu Institute of Biological Research discovered a mysterious insect on a certain southern island. The shape is elongated like a hornworm, but since one segment is shaped like a ball, it looks like a beaded ball connected by a thread. Wh...
instruction
0
47,855
7
95,710
"Correct Solution: ``` from collections import deque def only_color(s, monos): if s in monos: return True else: return False def new_color(s, i, rgb): for color in rgb: if color != s[i] and color != s[i + 1]: break return s[:i] + color * 2 + s[i + 2:] def solve(s): length = len(s) monos...
output
1
47,855
7
95,711
Provide a correct Python 3 solution for this coding contest problem. Dr. A of the Aizu Institute of Biological Research discovered a mysterious insect on a certain southern island. The shape is elongated like a hornworm, but since one segment is shaped like a ball, it looks like a beaded ball connected by a thread. Wh...
instruction
0
47,856
7
95,712
"Correct Solution: ``` from collections import deque def change(x,y): if [x,y] == ["r","g"] or [y,x] == ["r","g"]: return "b" elif [x,y] == ["g","b"] or [y,x] == ["g","b"]: return "r" elif [x,y] == ["r","b"] or [y,x] == ["r","b"]: return "g" rgb = ['r','g','b'] while True: tim...
output
1
47,856
7
95,713
Provide a correct Python 3 solution for this coding contest problem. Dr. A of the Aizu Institute of Biological Research discovered a mysterious insect on a certain southern island. The shape is elongated like a hornworm, but since one segment is shaped like a ball, it looks like a beaded ball connected by a thread. Wh...
instruction
0
47,857
7
95,714
"Correct Solution: ``` from collections import deque def new_color(s, i, rgb): for color in rgb: if color != s[i] and color != s[i + 1]: break return s[:i] + color * 2 + s[i + 2:] def solve(s): length = len(s) monos = ["r" * length, "g" * length, "b" * length] if s in monos: print(0) retur...
output
1
47,857
7
95,715
Provide a correct Python 3 solution for this coding contest problem. Dr. A of the Aizu Institute of Biological Research discovered a mysterious insect on a certain southern island. The shape is elongated like a hornworm, but since one segment is shaped like a ball, it looks like a beaded ball connected by a thread. Wh...
instruction
0
47,858
7
95,716
"Correct Solution: ``` from collections import deque def isOneColor(w): sw = sorted(w) if sw[0] == sw[-1]: return True else: return False def nextColor(c1, c2): cs = ['r', 'g', 'b'] cs.remove(c1) cs.remove(c2) return cs[0] def bfs(iw): q = deque() s = set() s....
output
1
47,858
7
95,717
Provide a correct Python 3 solution for this coding contest problem. Dr. A of the Aizu Institute of Biological Research discovered a mysterious insect on a certain southern island. The shape is elongated like a hornworm, but since one segment is shaped like a ball, it looks like a beaded ball connected by a thread. Wh...
instruction
0
47,859
7
95,718
"Correct Solution: ``` def solve(): while True: worm = input() if worm == '0': break q = [worm] m = {('r', 'g'): 'bb', ('g', 'r'): 'bb', ('r', 'b'): 'gg', ('b', 'r'): 'gg', ('g', 'b'): 'rr', ('b', 'g'): 'rr'} d = {worm: True} ans = 0 ...
output
1
47,859
7
95,719
Provide a correct Python 3 solution for this coding contest problem. Dr. A of the Aizu Institute of Biological Research discovered a mysterious insect on a certain southern island. The shape is elongated like a hornworm, but since one segment is shaped like a ball, it looks like a beaded ball connected by a thread. Wh...
instruction
0
47,860
7
95,720
"Correct Solution: ``` from collections import deque def new_color(s, i, color): return s[:i] + color * 2 + s[i + 2:] def solve(s): length = len(s) monos = ["r" * length, "g" * length, "b" * length] if s in monos: print(0) return rgb = "rgb" another = {("r", "g"):"b", ("g", "r"):"b", ...
output
1
47,860
7
95,721
Provide a correct Python 3 solution for this coding contest problem. Dr. A of the Aizu Institute of Biological Research discovered a mysterious insect on a certain southern island. The shape is elongated like a hornworm, but since one segment is shaped like a ball, it looks like a beaded ball connected by a thread. Wh...
instruction
0
47,861
7
95,722
"Correct Solution: ``` from collections import deque def new_color(s, i, color): return s[:i - 1] + color * 2 + s[i + 1:] def solve(s): length = len(s) monos = ["r" * length, "g" * length, "b" * length] if s in monos: print(0) return another = {("r", "g"):"b", ("g", "r"):"b", ("r", "b...
output
1
47,861
7
95,723