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Provide tags and a correct Python 3 solution for this coding contest problem. Lee is used to finish his stories in a stylish way, this time he barely failed it, but Ice Bear came and helped him. Lee is so grateful for it, so he decided to show Ice Bear his new game called "Critic"... The game is a one versus one game...
instruction
0
91,896
19
183,792
Tags: dfs and similar, dp, games Correct Solution: ``` def win(s, e): if e % 2: return s % 2 ^ 1 if s > e // 2: return s % 2 if s > e // 4: return 1 return win(s, e // 4) def lose(s, e): if s > e // 2: return 1 return win(s, e // 2) def game(n): ...
output
1
91,896
19
183,793
Provide tags and a correct Python 3 solution for this coding contest problem. Lee is used to finish his stories in a stylish way, this time he barely failed it, but Ice Bear came and helped him. Lee is so grateful for it, so he decided to show Ice Bear his new game called "Critic"... The game is a one versus one game...
instruction
0
91,897
19
183,794
Tags: dfs and similar, dp, games Correct Solution: ``` import sys inpy = [int(x) for x in sys.stdin.read().split()] def win(s, e) : if e == s : return False if e == s+1 : return True if e % 2 == 1 : if s % 2 == 1 : return False return True q = e//4 ...
output
1
91,897
19
183,795
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Lee is used to finish his stories in a stylish way, this time he barely failed it, but Ice Bear came and helped him. Lee is so grateful for it, so he decided to show Ice Bear his new game called...
instruction
0
91,898
19
183,796
No
output
1
91,898
19
183,797
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Lee is used to finish his stories in a stylish way, this time he barely failed it, but Ice Bear came and helped him. Lee is so grateful for it, so he decided to show Ice Bear his new game called...
instruction
0
91,899
19
183,798
No
output
1
91,899
19
183,799
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Lee is used to finish his stories in a stylish way, this time he barely failed it, but Ice Bear came and helped him. Lee is so grateful for it, so he decided to show Ice Bear his new game called...
instruction
0
91,900
19
183,800
No
output
1
91,900
19
183,801
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Lee is used to finish his stories in a stylish way, this time he barely failed it, but Ice Bear came and helped him. Lee is so grateful for it, so he decided to show Ice Bear his new game called...
instruction
0
91,901
19
183,802
No
output
1
91,901
19
183,803
Provide tags and a correct Python 3 solution for this coding contest problem. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the table with the front side up. In one move the ...
instruction
0
92,017
19
184,034
Tags: binary search, data structures Correct Solution: ``` from collections import defaultdict temp_n = n = int(input()) front = defaultdict(int) back = defaultdict(int) while temp_n > 0: temp_n -= 1 f, b = map(int, input().split()) front[f] += 1 if f != b: back[b] += 1 target = (n + 1) // 2 ...
output
1
92,017
19
184,035
Provide tags and a correct Python 3 solution for this coding contest problem. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the table with the front side up. In one move the ...
instruction
0
92,018
19
184,036
Tags: binary search, data structures Correct Solution: ``` d=dict() n=int(input()) for i in range(n): f,b=map(int,input().split()) if f not in d:d[f]=[0,0] d[f][0]+=1 if f!=b: if b not in d:d[b]=[0,0] d[b][1]+=1 n=(n+1)//2 m=2*n for aa,a in d.items(): if sum(a)>=n: m=min(m,n-...
output
1
92,018
19
184,037
Provide tags and a correct Python 3 solution for this coding contest problem. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the table with the front side up. In one move the ...
instruction
0
92,019
19
184,038
Tags: binary search, data structures Correct Solution: ``` import sys from math import * input=sys.stdin.readline #n,m,k=map(int,input().split()) d={} n=int(input()) for i in range(n): x,y=map(int,input().split()) if x in d: d[x][0]+=1 else: d[x]=[1,0] if x==y: continue if y...
output
1
92,019
19
184,039
Provide tags and a correct Python 3 solution for this coding contest problem. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the table with the front side up. In one move the ...
instruction
0
92,020
19
184,040
Tags: binary search, data structures Correct Solution: ``` n=int(input()) a=[0]*n b=[0]*n cards=[] for i in range(n): a[i],b[i]=map(int,input().split()) if a[i]==b[i]: b[i]=-1 cards.append([a[i],b[i]]) half=n%2+n//2 from collections import Counter c1=Counter(a) c2=Counter(b) l1=[[c1[i],i] for i...
output
1
92,020
19
184,041
Provide tags and a correct Python 3 solution for this coding contest problem. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the table with the front side up. In one move the ...
instruction
0
92,021
19
184,042
Tags: binary search, data structures Correct Solution: ``` def main(): n = int(input()) d = {} for i in range(n): a, b = [int(i) for i in input().split()] if a == b: if a not in d: d[a] = [0, 0] d[a][0] += 1 else: if a...
output
1
92,021
19
184,043
Provide tags and a correct Python 3 solution for this coding contest problem. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the table with the front side up. In one move the ...
instruction
0
92,022
19
184,044
Tags: binary search, data structures Correct Solution: ``` n=int(input()) m={} v=[] for i in range(n): a=input().split() v.append(a) m[a[0]]=[0,0] m[a[1]]=[0,0] for i in range(n): m[v[i][0]][0]+=1 if v[i][0]!=v[i][1]: m[v[i][1]][1]+=1 min=99999999 for i in m: if sum(m[i])>=(n+1)...
output
1
92,022
19
184,045
Provide tags and a correct Python 3 solution for this coding contest problem. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the table with the front side up. In one move the ...
instruction
0
92,023
19
184,046
Tags: binary search, data structures Correct Solution: ``` from collections import defaultdict from math import ceil d= defaultdict(list) n = int(input()) for i in range(n): a,b =map(int,input().split()) if a==b: if a in d: d[a][0]+=1 else: d[a]=[1,0] else: if...
output
1
92,023
19
184,047
Provide tags and a correct Python 3 solution for this coding contest problem. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the table with the front side up. In one move the ...
instruction
0
92,024
19
184,048
Tags: binary search, data structures Correct Solution: ``` from collections import Counter import sys n=int(input()) ans=10**20 fr={} ba={} for _ in range(n): x,y=map(int,input().split()) if x in fr: fr[x]+=1 else: fr[x]=1 if x!=y: if y in ba: ba[y]+=1 else: ...
output
1
92,024
19
184,049
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the...
instruction
0
92,025
19
184,050
Yes
output
1
92,025
19
184,051
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the...
instruction
0
92,026
19
184,052
Yes
output
1
92,026
19
184,053
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the...
instruction
0
92,027
19
184,054
Yes
output
1
92,027
19
184,055
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the...
instruction
0
92,028
19
184,056
Yes
output
1
92,028
19
184,057
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the...
instruction
0
92,029
19
184,058
No
output
1
92,029
19
184,059
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the...
instruction
0
92,030
19
184,060
No
output
1
92,030
19
184,061
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the...
instruction
0
92,031
19
184,062
No
output
1
92,031
19
184,063
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the cards lay on the...
instruction
0
92,032
19
184,064
No
output
1
92,032
19
184,065
Provide tags and a correct Python 3 solution for this coding contest problem. Little Petya likes permutations a lot. Recently his mom has presented him permutation q1, q2, ..., qn of length n. A permutation a of length n is a sequence of integers a1, a2, ..., an (1 ≀ ai ≀ n), all integers there are distinct. There ...
instruction
0
92,048
19
184,096
Tags: implementation, math Correct Solution: ``` def Solve(x,L): if(x==k[0]): return L==S if((x,tuple(L)) in Mem): return False if(L==S): return False E=[] for i in range(len(L)): E.append(L[Q[i]-1]) if(Solve(x+1,E)): return True E=[0]*len(L) ...
output
1
92,048
19
184,097
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Little Petya likes permutations a lot. Recently his mom has presented him permutation q1, q2, ..., qn of length n. A permutation a of length n is a sequence of integers a1, a2, ..., an (1 ≀ ai ...
instruction
0
92,049
19
184,098
No
output
1
92,049
19
184,099
Provide tags and a correct Python 3 solution for this coding contest problem. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her friend Chris, and they started playing the game...
instruction
0
92,219
19
184,438
Tags: implementation Correct Solution: ``` n = int(input()) y = 0 x = 0 for i in range(n): dice1, dice2 = map(int, input().split()) if dice1 > dice2: y += 1 elif dice1 < dice2: x += 1 else: x += 0 if x < y: print('Mishka') if x > y: print('Chris')###CF703A ##n = int(inp...
output
1
92,219
19
184,439
Provide tags and a correct Python 3 solution for this coding contest problem. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her friend Chris, and they started playing the game...
instruction
0
92,220
19
184,440
Tags: implementation Correct Solution: ``` a=int(input()) m=0 c=0 for i in range(a): x,y=map(int,input().split()) if(x>y): c+=1 elif(x<y): m+=1 else: pass if(m>c): print("Chris") elif(c>m): print("Mishka") else: print("Friendship is magic!^^") ```
output
1
92,220
19
184,441
Provide tags and a correct Python 3 solution for this coding contest problem. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her friend Chris, and they started playing the game...
instruction
0
92,221
19
184,442
Tags: implementation Correct Solution: ``` n=int(input()) cm=cc=0 for i in range(n): x=[] x=input().split() if(x[0]>x[1]): cm+=1 elif(x[0]<x[1]): cc+=1 else: cm+=1 cc+=1 if(cm>cc): print('Mishka') elif(cm==cc): print('Friendship is magic!^^') else: print('...
output
1
92,221
19
184,443
Provide tags and a correct Python 3 solution for this coding contest problem. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her friend Chris, and they started playing the game...
instruction
0
92,222
19
184,444
Tags: implementation Correct Solution: ``` n = int(input()) msh = cr = 0 for i in range(n): m,c = list(map(int,input().split())) if m==c: continue if max(m,c)==m: msh+=1 if max(m,c)==c: cr+=1 if msh<cr: print("Chris") elif cr<msh: print("Mishka") else: print("Friendship is magic!^^") ```
output
1
92,222
19
184,445
Provide tags and a correct Python 3 solution for this coding contest problem. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her friend Chris, and they started playing the game...
instruction
0
92,223
19
184,446
Tags: implementation Correct Solution: ``` c,m=0,0 for _ in range(int(input())): a,b=map(int,input().split()) if a>b: m+=1 elif b>a: c+=1 if m>c: print('Mishka') elif c>m: print('Chris') else: print('Friendship is magic!^^') ```
output
1
92,223
19
184,447
Provide tags and a correct Python 3 solution for this coding contest problem. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her friend Chris, and they started playing the game...
instruction
0
92,224
19
184,448
Tags: implementation Correct Solution: ``` n = int(input()) k = [] for i in range(n): j = input() j = j.split() k.append(int(j[0])) k.append(int(j[1])) #print(k) m = 0 c = 0 for i in range(0,n): #print(i) if k[i*2]>k[i*2+1]: m+=1 elif k[i*2]<k[i*2+1]: c+=1 if m>c: print("Mishka") elif m<c: print("Chris") e...
output
1
92,224
19
184,449
Provide tags and a correct Python 3 solution for this coding contest problem. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her friend Chris, and they started playing the game...
instruction
0
92,225
19
184,450
Tags: implementation Correct Solution: ``` n = int(input()) m,c=[0,0] for i in range(n): x,y=map(int, input().split()) if x>y: m+=1 elif y>x: c+=1 if m>c: print ('Mishka') elif c>m: print ('Chris') else: print ('Friendship is magic!^^') ```
output
1
92,225
19
184,451
Provide tags and a correct Python 3 solution for this coding contest problem. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her friend Chris, and they started playing the game...
instruction
0
92,226
19
184,452
Tags: implementation Correct Solution: ``` n = int(input()) s = [] for i in range(n): m, c = map(int,input().split()) if m>c: s.append('m') if c>m: s.append('c') m = s.count('m') c = s.count('c') if m>c: print('Mishka') elif c>m: print('Chris') else: print('Friendship is magic!^^...
output
1
92,226
19
184,453
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her ...
instruction
0
92,227
19
184,454
Yes
output
1
92,227
19
184,455
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her ...
instruction
0
92,228
19
184,456
Yes
output
1
92,228
19
184,457
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her ...
instruction
0
92,229
19
184,458
Yes
output
1
92,229
19
184,459
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her ...
instruction
0
92,230
19
184,460
Yes
output
1
92,230
19
184,461
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her ...
instruction
0
92,231
19
184,462
No
output
1
92,231
19
184,463
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her ...
instruction
0
92,232
19
184,464
No
output
1
92,232
19
184,465
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her ...
instruction
0
92,233
19
184,466
No
output
1
92,233
19
184,467
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her ...
instruction
0
92,234
19
184,468
No
output
1
92,234
19
184,469
Provide tags and a correct Python 3 solution for this coding contest problem. In a new version of the famous Pinball game, one of the most important parts of the game field is a sequence of n bumpers. The bumpers are numbered with integers from 1 to n from left to right. There are two types of bumpers. They are denote...
instruction
0
92,235
19
184,470
Tags: implementation Correct Solution: ``` n = int(input()) s = input() s1 = 0 for i in s: if i=="<": s1+=1 else: break for i in range(n-1,-1,-1): if s[i]==">": s1+=1 else: break print(s1) ```
output
1
92,235
19
184,471
Provide tags and a correct Python 3 solution for this coding contest problem. In a new version of the famous Pinball game, one of the most important parts of the game field is a sequence of n bumpers. The bumpers are numbered with integers from 1 to n from left to right. There are two types of bumpers. They are denote...
instruction
0
92,236
19
184,472
Tags: implementation Correct Solution: ``` input() s = input() n = len(s) rs = 0 for i in range(n): if s[i] == '<': rs+=1 else: break for i in range(n - 1,-1,-1): if s[i] =='>': rs+=1 else: break print(rs) ```
output
1
92,236
19
184,473
Provide tags and a correct Python 3 solution for this coding contest problem. In a new version of the famous Pinball game, one of the most important parts of the game field is a sequence of n bumpers. The bumpers are numbered with integers from 1 to n from left to right. There are two types of bumpers. They are denote...
instruction
0
92,237
19
184,474
Tags: implementation Correct Solution: ``` n = int(input()) s = input() print(n - len(s.lstrip("<").rstrip(">"))) ```
output
1
92,237
19
184,475
Provide tags and a correct Python 3 solution for this coding contest problem. In a new version of the famous Pinball game, one of the most important parts of the game field is a sequence of n bumpers. The bumpers are numbered with integers from 1 to n from left to right. There are two types of bumpers. They are denote...
instruction
0
92,238
19
184,476
Tags: implementation Correct Solution: ``` if __name__ == "__main__": nr_of_bumpers = int(input()) bumper_types = list(input()) fall_bumpers = 0 bumper_index = 0 while bumper_index < nr_of_bumpers and bumper_types[bumper_index] == '<': fall_bumpers += 1 bumper_index += 1 bumper_i...
output
1
92,238
19
184,477
Provide tags and a correct Python 3 solution for this coding contest problem. In a new version of the famous Pinball game, one of the most important parts of the game field is a sequence of n bumpers. The bumpers are numbered with integers from 1 to n from left to right. There are two types of bumpers. They are denote...
instruction
0
92,239
19
184,478
Tags: implementation Correct Solution: ``` input() s=input() ans=0 for i in s: if i=='<':ans+=1 else:break for i in s[::-1]: if i=='>':ans+=1 else:break print(ans) ```
output
1
92,239
19
184,479
Provide tags and a correct Python 3 solution for this coding contest problem. In a new version of the famous Pinball game, one of the most important parts of the game field is a sequence of n bumpers. The bumpers are numbered with integers from 1 to n from left to right. There are two types of bumpers. They are denote...
instruction
0
92,240
19
184,480
Tags: implementation Correct Solution: ``` import sys import math import bisect def solve(s): n = len(s) ans = 0 for i in range(n): if s[i] == '<': ans += 1 else: break for i in range(n - 1, -1, -1): if s[i] == '>': ans += 1 else: ...
output
1
92,240
19
184,481
Provide tags and a correct Python 3 solution for this coding contest problem. In a new version of the famous Pinball game, one of the most important parts of the game field is a sequence of n bumpers. The bumpers are numbered with integers from 1 to n from left to right. There are two types of bumpers. They are denote...
instruction
0
92,241
19
184,482
Tags: implementation Correct Solution: ``` n = int(input()) v = input() count = 0 right = 0 left = 0 second = 0 for i in range(0,len(v)): if v[i]=='<' and right==0: count+=1 if v[i] == '<' and right == 1: second = 0 if v[i]=='>' : second+=1 right=1 print(max(count+second,0)) ...
output
1
92,241
19
184,483
Provide tags and a correct Python 3 solution for this coding contest problem. In a new version of the famous Pinball game, one of the most important parts of the game field is a sequence of n bumpers. The bumpers are numbered with integers from 1 to n from left to right. There are two types of bumpers. They are denote...
instruction
0
92,242
19
184,484
Tags: implementation Correct Solution: ``` n = int(input()) s = input() i = 0 while i < n and s[i] == '<': i += 1 ans = i i = n - 1 while i >= 0 and s[i] == '>': i -= 1 ans += n - 1 - i print(ans) ```
output
1
92,242
19
184,485
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In a new version of the famous Pinball game, one of the most important parts of the game field is a sequence of n bumpers. The bumpers are numbered with integers from 1 to n from left to right. ...
instruction
0
92,243
19
184,486
Yes
output
1
92,243
19
184,487
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In a new version of the famous Pinball game, one of the most important parts of the game field is a sequence of n bumpers. The bumpers are numbered with integers from 1 to n from left to right. ...
instruction
0
92,244
19
184,488
Yes
output
1
92,244
19
184,489