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Provide tags and a correct Python 3 solution for this coding contest problem. Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible colors, also numbered 1 through n. The i-th ball has color ti. For a fixed interval (set of consecutive eleme...
instruction
0
26,991
7
53,982
Tags: implementation Correct Solution: ``` import sys import math import itertools as it import operator as op import fractions as fr n = int(sys.stdin.readline().strip()) T = list(map(int,sys.stdin.readline().split())) cnt = [0 for _ in range(n+1)] for i in range(n): dom_col = T[i] D = [0 for _ in range(n+1)] ...
output
1
26,991
7
53,983
Provide tags and a correct Python 3 solution for this coding contest problem. Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible colors, also numbered 1 through n. The i-th ball has color ti. For a fixed interval (set of consecutive eleme...
instruction
0
26,992
7
53,984
Tags: implementation Correct Solution: ``` n=int(input()) a=list(map(int,input().split())) r=[0]*(n+1) for i in range(n): d={} v=-1 for j in range(i,n): t=d.get(a[j],0)+1 d[a[j]]=t if t>v or t==v and a[j]<m: v=t m=a[j] r[m]+=1 print(' '.join(map(str,r[...
output
1
26,992
7
53,985
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible colors, also numbered 1 through n. The i-th ball has color ti. ...
instruction
0
26,993
7
53,986
Yes
output
1
26,993
7
53,987
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible colors, also numbered 1 through n. The i-th ball has color ti. ...
instruction
0
26,994
7
53,988
Yes
output
1
26,994
7
53,989
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible colors, also numbered 1 through n. The i-th ball has color ti. ...
instruction
0
26,995
7
53,990
Yes
output
1
26,995
7
53,991
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible colors, also numbered 1 through n. The i-th ball has color ti. ...
instruction
0
26,996
7
53,992
Yes
output
1
26,996
7
53,993
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible colors, also numbered 1 through n. The i-th ball has color ti. ...
instruction
0
26,997
7
53,994
No
output
1
26,997
7
53,995
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible colors, also numbered 1 through n. The i-th ball has color ti. ...
instruction
0
26,998
7
53,996
No
output
1
26,998
7
53,997
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible colors, also numbered 1 through n. The i-th ball has color ti. ...
instruction
0
26,999
7
53,998
No
output
1
26,999
7
53,999
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible colors, also numbered 1 through n. The i-th ball has color ti. ...
instruction
0
27,000
7
54,000
No
output
1
27,000
7
54,001
Provide tags and a correct Python 3 solution for this coding contest problem. Vasya writes his own library for building graphical user interface. Vasya called his creation VTK (VasyaToolKit). One of the interesting aspects of this library is that widgets are packed in each other. A widget is some element of graphica...
instruction
0
27,088
7
54,176
Tags: dp, expression parsing, graphs, implementation Correct Solution: ``` n = int(input()) widgets = {} class Widget: def __init__(self, w, h): self.w = w self.h = h def calc_size(self): return (self.w, self.h) class Box: def __init__(self, direction): self.dir = directio...
output
1
27,088
7
54,177
Provide tags and a correct Python 3 solution for this coding contest problem. Vasya writes his own library for building graphical user interface. Vasya called his creation VTK (VasyaToolKit). One of the interesting aspects of this library is that widgets are packed in each other. A widget is some element of graphica...
instruction
0
27,089
7
54,178
Tags: dp, expression parsing, graphs, implementation Correct Solution: ``` import sys from array import array # noqa: F401 import re def input(): return sys.stdin.buffer.readline().decode('utf-8') class Widget(object): def __init__(self, x, y): self.x = x self.y = y class Box(object): ...
output
1
27,089
7
54,179
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m from left to right. Therefore, each cell can b...
instruction
0
27,429
7
54,858
Tags: implementation Correct Solution: ``` def get_colors(x1, y1, x2, y2): w = x2 - x1 + 1 h = y2 - y1 + 1 if w % 2 == 0 or h % 2 == 0: black = w * h // 2 white = w * h // 2 else: oddx = w // 2 if x1 % 2 == 1 and x2 % 2 == 1: oddx += 1 oddy = h // 2 ...
output
1
27,429
7
54,859
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m from left to right. Therefore, each cell can b...
instruction
0
27,430
7
54,860
Tags: implementation Correct Solution: ``` import math def w(a,b): return math.ceil(a/2) * math.ceil(b/2) + math.floor(a/2) * math.floor(b/2) def W(x1,y1,x2,y2): return w(x2,y2) - w(x2,y1-1) - w(x1-1,y2) + w(x1-1,y1-1) def B(x1,y1,x2,y2): return (y2-y1+1) * (x2-x1+1) - W(x1,y1,x2,y2) t = int(input()) wh...
output
1
27,430
7
54,861
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m from left to right. Therefore, each cell can b...
instruction
0
27,431
7
54,862
Tags: implementation Correct Solution: ``` def ww(x,y): # whites in (1,1) to (x,y) return ((x)*(y)+1)//2 def bb(x,y): # blacks in (1,1) to (x,y) return ((x)*(y)) - ww(x,y) def w(x1,y1,x2,y2): return ww(x2,y2) - ww(x1-1,y2) - ww(x2,y1-1) + ww(x1-1,y1-1) def b(x1,y1,x2,y2): return (x2-x1+1) * (y2-...
output
1
27,431
7
54,863
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m from left to right. Therefore, each cell can b...
instruction
0
27,432
7
54,864
Tags: implementation Correct Solution: ``` def w(x1,y1,x2,y2): if (x2-x1+1)*(y2-y1+1)%2==0: return (x2-x1+1)*(y2-y1+1)//2 elif (x1+y1)%2==0: return (x2-x1+1)*(y2-y1+1)//2+1 else: return (x2-x1+1)*(y2-y1+1)//2 def bl(x1,y1,x2,y2): if (x2-x1+1)*(y2-y1+1)%2==0: retur...
output
1
27,432
7
54,865
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m from left to right. Therefore, each cell can b...
instruction
0
27,433
7
54,866
Tags: implementation Correct Solution: ``` # -*- coding: utf-8 -*- import math import collections import bisect import heapq import time import itertools import sys """ created by shhuan at 2018/11/24 15:29 """ T = int(input()) def interact(rect1, rect2): x1, y1, x2, y2 = rect1 x3, y3, x4, y4 = rect2 ...
output
1
27,433
7
54,867
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m from left to right. Therefore, each cell can b...
instruction
0
27,434
7
54,868
Tags: implementation Correct Solution: ``` k = int(input()) grid_size = [] white_rec = [] black_rec = [] for i in range(k): grid = [int(x) for x in input().split()] white = [int(x) for x in input().split()] black = [int(x) for x in input().split()] grid_size.append(grid) white_rec.append(white) ...
output
1
27,434
7
54,869
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m from left to right. Therefore, each cell can b...
instruction
0
27,435
7
54,870
Tags: implementation Correct Solution: ``` #Code by Sounak, IIESTS #------------------------------warmup---------------------------- import os import sys import math from io import BytesIO, IOBase from fractions import Fraction from collections import defaultdict from itertools import permutations BUFSIZE = 8192 ...
output
1
27,435
7
54,871
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m from left to right. Therefore, each cell can b...
instruction
0
27,436
7
54,872
Tags: implementation Correct Solution: ``` def area(rect): if rect is None: return 0 x1, y1, x2, y2 = rect return (x2-x1+1) * (y2-y1+1) def get_w(rect): if rect is None: return 0#, 0 x1, y1, x2, y2 = rect ra = area(rect) more, less = (ra + 1) // 2, ra // 2 if (x1 + y...
output
1
27,436
7
54,873
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m...
instruction
0
27,437
7
54,874
Yes
output
1
27,437
7
54,875
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m...
instruction
0
27,438
7
54,876
Yes
output
1
27,438
7
54,877
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m...
instruction
0
27,439
7
54,878
Yes
output
1
27,439
7
54,879
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m...
instruction
0
27,440
7
54,880
Yes
output
1
27,440
7
54,881
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m...
instruction
0
27,441
7
54,882
No
output
1
27,441
7
54,883
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m...
instruction
0
27,442
7
54,884
No
output
1
27,442
7
54,885
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m...
instruction
0
27,443
7
54,886
No
output
1
27,443
7
54,887
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m...
instruction
0
27,444
7
54,888
No
output
1
27,444
7
54,889
Provide tags and a correct Python 3 solution for this coding contest problem. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of the flag should contain squares of the same co...
instruction
0
28,522
7
57,044
Tags: implementation Correct Solution: ``` n, m = list(map(int, input().split())) f, x = False, [] for i in range(n): a = input() b = set(a) x.append(int(a)) if len(b) != 1: f = True if i > 0 and x[i] == x[i-1]: f = True if f: print('NO') else: print('YES') ```
output
1
28,522
7
57,045
Provide tags and a correct Python 3 solution for this coding contest problem. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of the flag should contain squares of the same co...
instruction
0
28,523
7
57,046
Tags: implementation Correct Solution: ``` n, m = [int(item) for item in input().split()] prev, current, ans = '', '', 'YES' for i in range(n): current = input() if current != current[0] * m or current == prev: ans = "NO" break prev = current print(ans) ```
output
1
28,523
7
57,047
Provide tags and a correct Python 3 solution for this coding contest problem. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of the flag should contain squares of the same co...
instruction
0
28,524
7
57,048
Tags: implementation Correct Solution: ``` n,m=map(int,(input().split())) f='0' d=1 for i in range(n): s=input() if i==0: f=s[0] for j in range(len(s)-1): if s[j]!=s[j+1]: print('NO') d=0 break elif i!=0: if s[0]==f: ...
output
1
28,524
7
57,049
Provide tags and a correct Python 3 solution for this coding contest problem. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of the flag should contain squares of the same co...
instruction
0
28,525
7
57,050
Tags: implementation Correct Solution: ``` n=[int(i) for i in input().split(' ')] a=[] while n[0]>0: n[0]-=1 s=set(input()) a.append(s) pr=set('r') res='YES' for i in a: if len(i)!=1 or i==pr: res='NO' pr=i print(res) ```
output
1
28,525
7
57,051
Provide tags and a correct Python 3 solution for this coding contest problem. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of the flag should contain squares of the same co...
instruction
0
28,526
7
57,052
Tags: implementation Correct Solution: ``` # -*- coding: utf-8 -*- n,m = map(int,input().split()) a = list(input() for i in range(n)) def Flag(n,a): if a[0].count(a[0][0]) != len(a[0]): return 'NO' for i in range(1,n): if a[i].count(a[i][0]) != len(a[i]): return 'NO' if a[i][0] == a[i-1][0]...
output
1
28,526
7
57,053
Provide tags and a correct Python 3 solution for this coding contest problem. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of the flag should contain squares of the same co...
instruction
0
28,527
7
57,054
Tags: implementation Correct Solution: ``` n, m = map(int, input().split()) def solve(): ans = "YES" for i in range(n): row = input() for j in range(1, len(row)): if row[0] != row[j]: ans = 'NO' if i > 0 and pre == row: ans = "NO" pre = ...
output
1
28,527
7
57,055
Provide tags and a correct Python 3 solution for this coding contest problem. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of the flag should contain squares of the same co...
instruction
0
28,528
7
57,056
Tags: implementation Correct Solution: ``` def checkIndiRow(rows, columns): for n in range(0, len(rows)): if(rows[n].count(rows[n][0])==columns): continue else: return 0 for n in range(0,len(rows)-1): if(rows[n][0]==rows[n+1][0]): return 0 else...
output
1
28,528
7
57,057
Provide tags and a correct Python 3 solution for this coding contest problem. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of the flag should contain squares of the same co...
instruction
0
28,529
7
57,058
Tags: implementation Correct Solution: ``` n,m=list(map(int,input().split())) ans="YES" for i in range(n): str=input() for j in range(1,len(str)): if str[0]!=str[j]: ans="NO" if i>0 and pre==str: ans="NO" pre=str print(ans) ```
output
1
28,529
7
57,059
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of...
instruction
0
28,530
7
57,060
Yes
output
1
28,530
7
57,061
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of...
instruction
0
28,531
7
57,062
Yes
output
1
28,531
7
57,063
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of...
instruction
0
28,532
7
57,064
Yes
output
1
28,532
7
57,065
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of...
instruction
0
28,533
7
57,066
Yes
output
1
28,533
7
57,067
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of...
instruction
0
28,534
7
57,068
No
output
1
28,534
7
57,069
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of...
instruction
0
28,535
7
57,070
No
output
1
28,535
7
57,071
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of...
instruction
0
28,536
7
57,072
No
output
1
28,536
7
57,073
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. According to a new ISO standard, a flag of every country should have a chequered field n × m, each square should be of one of 10 colours, and the flag should be «striped»: each horizontal row of...
instruction
0
28,537
7
57,074
No
output
1
28,537
7
57,075
Provide a correct Python 3 solution for this coding contest problem. Takahashi has many red balls and blue balls. Now, he will place them in a row. Initially, there is no ball placed. Takahashi, who is very patient, will do the following operation 10^{100} times: * Place A blue balls at the end of the row of balls ...
instruction
0
28,860
7
57,720
"Correct Solution: ``` n,a,b = map(int,input().split()) print((int)(n/(a+b))*a+min(a,(int)(n%(a+b)))) ```
output
1
28,860
7
57,721
Provide a correct Python 3 solution for this coding contest problem. Takahashi has many red balls and blue balls. Now, he will place them in a row. Initially, there is no ball placed. Takahashi, who is very patient, will do the following operation 10^{100} times: * Place A blue balls at the end of the row of balls ...
instruction
0
28,861
7
57,722
"Correct Solution: ``` n,a,b = map(int,input().split()) m = a+b print(a*(n//m)+min(a,n-((n//m)*m))) ```
output
1
28,861
7
57,723
Provide a correct Python 3 solution for this coding contest problem. Takahashi has many red balls and blue balls. Now, he will place them in a row. Initially, there is no ball placed. Takahashi, who is very patient, will do the following operation 10^{100} times: * Place A blue balls at the end of the row of balls ...
instruction
0
28,863
7
57,726
"Correct Solution: ``` N,A,B = map(int, input().split()) a = N//(A+B) b = N%(A+B) print(A*a + min(A,b)) ```
output
1
28,863
7
57,727
Provide a correct Python 3 solution for this coding contest problem. Takahashi has many red balls and blue balls. Now, he will place them in a row. Initially, there is no ball placed. Takahashi, who is very patient, will do the following operation 10^{100} times: * Place A blue balls at the end of the row of balls ...
instruction
0
28,864
7
57,728
"Correct Solution: ``` n,a,b=map(int,input().split()) print(min(n%(a+b),a)+n//(a+b)*a) ```
output
1
28,864
7
57,729
Provide a correct Python 3 solution for this coding contest problem. Takahashi has many red balls and blue balls. Now, he will place them in a row. Initially, there is no ball placed. Takahashi, who is very patient, will do the following operation 10^{100} times: * Place A blue balls at the end of the row of balls ...
instruction
0
28,865
7
57,730
"Correct Solution: ``` N,A,B=map(int,input().split()) print(A*(N//(A+B))+min(A,N%(A+B))) ```
output
1
28,865
7
57,731
Provide a correct Python 3 solution for this coding contest problem. Takahashi has many red balls and blue balls. Now, he will place them in a row. Initially, there is no ball placed. Takahashi, who is very patient, will do the following operation 10^{100} times: * Place A blue balls at the end of the row of balls ...
instruction
0
28,866
7
57,732
"Correct Solution: ``` n,a,b=map(int,input().split()) c=a+b print(a*(n//c)+min(a,n%c)) ```
output
1
28,866
7
57,733