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Provide a correct Python 3 solution for this coding contest problem. There is an infinitely large pond, which we consider as a number line. In this pond, there are N lotuses floating at coordinates 0, 1, 2, ..., N-2 and N-1. On the lotus at coordinate i, an integer s_i is written. You are standing on the lotus at coo...
instruction
0
21,827
19
43,654
"Correct Solution: ``` n = int(input()) s = list(map(int, input().split())) ans = 0 for step in range(1, n): now = 0 for i, j in zip(range(0, n, step), range(n - 1, -1, -step)): if i == j or i - j == step or j < step: break now += s[i] + s[j] ans = max(ans, now) print(ans) ...
output
1
21,827
19
43,655
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is an infinitely large pond, which we consider as a number line. In this pond, there are N lotuses floating at coordinates 0, 1, 2, ..., N-2 and N-1. On the lotus at coordinate i, an integ...
instruction
0
21,828
19
43,656
Yes
output
1
21,828
19
43,657
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is an infinitely large pond, which we consider as a number line. In this pond, there are N lotuses floating at coordinates 0, 1, 2, ..., N-2 and N-1. On the lotus at coordinate i, an integ...
instruction
0
21,829
19
43,658
Yes
output
1
21,829
19
43,659
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is an infinitely large pond, which we consider as a number line. In this pond, there are N lotuses floating at coordinates 0, 1, 2, ..., N-2 and N-1. On the lotus at coordinate i, an integ...
instruction
0
21,830
19
43,660
Yes
output
1
21,830
19
43,661
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is an infinitely large pond, which we consider as a number line. In this pond, there are N lotuses floating at coordinates 0, 1, 2, ..., N-2 and N-1. On the lotus at coordinate i, an integ...
instruction
0
21,831
19
43,662
Yes
output
1
21,831
19
43,663
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is an infinitely large pond, which we consider as a number line. In this pond, there are N lotuses floating at coordinates 0, 1, 2, ..., N-2 and N-1. On the lotus at coordinate i, an integ...
instruction
0
21,832
19
43,664
No
output
1
21,832
19
43,665
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is an infinitely large pond, which we consider as a number line. In this pond, there are N lotuses floating at coordinates 0, 1, 2, ..., N-2 and N-1. On the lotus at coordinate i, an integ...
instruction
0
21,833
19
43,666
No
output
1
21,833
19
43,667
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is an infinitely large pond, which we consider as a number line. In this pond, there are N lotuses floating at coordinates 0, 1, 2, ..., N-2 and N-1. On the lotus at coordinate i, an integ...
instruction
0
21,834
19
43,668
No
output
1
21,834
19
43,669
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is an infinitely large pond, which we consider as a number line. In this pond, there are N lotuses floating at coordinates 0, 1, 2, ..., N-2 and N-1. On the lotus at coordinate i, an integ...
instruction
0
21,835
19
43,670
No
output
1
21,835
19
43,671
Provide a correct Python 3 solution for this coding contest problem. There is "7 rows" in the game using playing cards. Here we consider a game that simplifies it. Arrange 7 using 13 cards with numbers 1 to 13 written on each. In the match, the game progresses as follows with only two players. 1. Place 7 cards in the...
instruction
0
21,953
19
43,906
"Correct Solution: ``` def search(a_cards, b_cards, left, right, turn): #print(a_cards, b_cards, left, right, turn) if a_cards == []: return True if b_cards == []: return False ret = False if turn == 0: if left not in a_cards and right not in a_cards: return search(a_cards, b_cards, left, r...
output
1
21,953
19
43,907
Provide a correct Python 3 solution for this coding contest problem. There is "7 rows" in the game using playing cards. Here we consider a game that simplifies it. Arrange 7 using 13 cards with numbers 1 to 13 written on each. In the match, the game progresses as follows with only two players. 1. Place 7 cards in the...
instruction
0
21,954
19
43,908
"Correct Solution: ``` n = int(input()) for i in range(n): F = set(map(int, input().split())) fl = min(F); fr = max(F) G = {i for i in range(1, 14)} - F - {7} gl = min(G); gr = max(G) memo = {} def dfs(s, t, u): if (s, t, u) in memo: return memo[s, t, u] T = [G, F][u...
output
1
21,954
19
43,909
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is "7 rows" in the game using playing cards. Here we consider a game that simplifies it. Arrange 7 using 13 cards with numbers 1 to 13 written on each. In the match, the game progresses as...
instruction
0
21,955
19
43,910
No
output
1
21,955
19
43,911
Provide a correct Python 3 solution for this coding contest problem. B: Nakajima, let's do that! --Match Peas War - problem Nakajima "Uhh ..." Isono "Nakajima, are you okay?" Nakajima "... I feel like I was having an unpleasant dream." Isono "What kind of dream do you have?" Nakajima "Dream to play infinitely" ...
instruction
0
21,970
19
43,940
"Correct Solution: ``` li, ri = map(int, input().split()) ln, rn = map(int, input().split()) ISONO = True NAKAJIMA = False def search(li, ri, ln, rn, turn): if li == None and ri == None: return False if ln == None and rn == None: return True if turn == ISONO: ret = False if li and ln: ret ...
output
1
21,970
19
43,941
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. B: Nakajima, let's do that! --Match Peas War - problem Nakajima "Uhh ..." Isono "Nakajima, are you okay?" Nakajima "... I feel like I was having an unpleasant dream." Isono "What kind of dr...
instruction
0
21,971
19
43,942
No
output
1
21,971
19
43,943
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. B: Nakajima, let's do that! --Match Peas War - problem Nakajima "Uhh ..." Isono "Nakajima, are you okay?" Nakajima "... I feel like I was having an unpleasant dream." Isono "What kind of dr...
instruction
0
21,972
19
43,944
No
output
1
21,972
19
43,945
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. B: Nakajima, let's do that! --Match Peas War - problem Nakajima "Uhh ..." Isono "Nakajima, are you okay?" Nakajima "... I feel like I was having an unpleasant dream." Isono "What kind of dr...
instruction
0
21,973
19
43,946
No
output
1
21,973
19
43,947
Provide tags and a correct Python 3 solution for this coding contest problem. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of n numbers: p1, p2, ..., pn. Then the guys take ...
instruction
0
22,390
19
44,780
Tags: combinatorics, dp, probabilities Correct Solution: ``` #!/usr/bin/python3 import sys class CumTree: def __init__(self, a, b): self.a = a self.b = b self.count = 0 if a == b: return mid = (a + b) // 2 self.levo = CumTree(a, mid) self.de...
output
1
22,390
19
44,781
Provide tags and a correct Python 3 solution for this coding contest problem. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of n numbers: p1, p2, ..., pn. Then the guys take ...
instruction
0
22,391
19
44,782
Tags: combinatorics, dp, probabilities Correct Solution: ``` def merge_sort(a, l, r): res = 0 if l < r: m = (l + r) // 2 res += merge_sort(a, l, m) res += merge_sort(a, m + 1, r) i = l j = m + 1 b = [] while i <= m and j <= r: if a[i] <= a[j]: b.append(a[i]...
output
1
22,391
19
44,783
Provide tags and a correct Python 3 solution for this coding contest problem. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of n numbers: p1, p2, ..., pn. Then the guys take ...
instruction
0
22,392
19
44,784
Tags: combinatorics, dp, probabilities Correct Solution: ``` n=int(input().strip()) p=[0]+list(map(int,input().split())) c=[0]*(n+1) def lowbit(x): return x&(-x) def add(x,v): while x<=n: c[x]+=v x+=lowbit(x) def get(x): ans=0 while x: ans+=c[x] x-=lowbit(x) return a...
output
1
22,392
19
44,785
Provide tags and a correct Python 3 solution for this coding contest problem. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of n numbers: p1, p2, ..., pn. Then the guys take ...
instruction
0
22,393
19
44,786
Tags: combinatorics, dp, probabilities Correct Solution: ``` from bisect import bisect_right input() t = list(map(int, input().split())) s, p = 0, [] for i, j in enumerate(t): k = bisect_right(p, j) s += i - k p.insert(k, j) print(2 * s - (s & 1)) ```
output
1
22,393
19
44,787
Provide tags and a correct Python 3 solution for this coding contest problem. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of n numbers: p1, p2, ..., pn. Then the guys take ...
instruction
0
22,394
19
44,788
Tags: combinatorics, dp, probabilities Correct Solution: ``` from sys import * n=int(stdin.readline().strip()) s1=stdin.readline().strip() a=list(map(int,s1.split())) if n==1: print('0') else: x=0 n0=1 while n0<n: n0=n0*2 b=[0]*(2*n0+10) '''for i in range (n-1): for j in range ...
output
1
22,394
19
44,789
Provide tags and a correct Python 3 solution for this coding contest problem. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of n numbers: p1, p2, ..., pn. Then the guys take ...
instruction
0
22,395
19
44,790
Tags: combinatorics, dp, probabilities Correct Solution: ``` n = int(input()) a = list(map(int, input().split())) I = 0 S = len(a) for i in range(0, S): for j in range(1, S): if a[j] < a[j - 1]: I += 1 a[j], a[j - 1] = a[j - 1], a[j] if I <= 1: print(I) else: print(2 * I - 1 ...
output
1
22,395
19
44,791
Provide tags and a correct Python 3 solution for this coding contest problem. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of n numbers: p1, p2, ..., pn. Then the guys take ...
instruction
0
22,396
19
44,792
Tags: combinatorics, dp, probabilities Correct Solution: ``` def count(a): n = len(a) cnt = 0 for i in range(n): for j in range(i+1, n): if a[i] > a[j]: cnt+=1 return cnt n = int(input()) p = list(map(int, input().split())) num = count(p) print(num*2 - n...
output
1
22,396
19
44,793
Provide tags and a correct Python 3 solution for this coding contest problem. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of n numbers: p1, p2, ..., pn. Then the guys take ...
instruction
0
22,397
19
44,794
Tags: combinatorics, dp, probabilities Correct Solution: ``` n = int(input()) A = [int(i) for i in input().split()] def mergesort(l): l = list(l) if len(l) <= 1: return l,0 left,linv = mergesort(l[:len(l) // 2]) right,rinv = mergesort(l[len(l) // 2:]) lefti = 0 righti = 0 i = 0 numinversions = 0 while True:...
output
1
22,397
19
44,795
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of ...
instruction
0
22,398
19
44,796
Yes
output
1
22,398
19
44,797
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of ...
instruction
0
22,399
19
44,798
No
output
1
22,399
19
44,799
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of ...
instruction
0
22,400
19
44,800
No
output
1
22,400
19
44,801
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of ...
instruction
0
22,401
19
44,802
No
output
1
22,401
19
44,803
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You're trying to set the record on your favorite video game. The game consists of N levels, which must be completed sequentially in order to beat the game. You usually complete each level as fas...
instruction
0
22,575
19
45,150
No
output
1
22,575
19
45,151
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You're trying to set the record on your favorite video game. The game consists of N levels, which must be completed sequentially in order to beat the game. You usually complete each level as fas...
instruction
0
22,576
19
45,152
No
output
1
22,576
19
45,153
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You're trying to set the record on your favorite video game. The game consists of N levels, which must be completed sequentially in order to beat the game. You usually complete each level as fas...
instruction
0
22,577
19
45,154
No
output
1
22,577
19
45,155
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You're trying to set the record on your favorite video game. The game consists of N levels, which must be completed sequentially in order to beat the game. You usually complete each level as fas...
instruction
0
22,578
19
45,156
No
output
1
22,578
19
45,157
Provide tags and a correct Python 3 solution for this coding contest problem. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavik makes his move. There are n doors, the i-th ...
instruction
0
22,879
19
45,758
Tags: games Correct Solution: ``` n,x,y = tuple(map(int,input().split())) arr = list(map(int,input().split())) less = 0 if x<=y: for a in arr: if a <= x: less+=1 print((less+1)//2) else: print(n) ```
output
1
22,879
19
45,759
Provide tags and a correct Python 3 solution for this coding contest problem. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavik makes his move. There are n doors, the i-th ...
instruction
0
22,880
19
45,760
Tags: games Correct Solution: ``` I = lambda: map(int,input().split()) n, x, y = I() print(n if x>y else(1+sum(a<=x for a in I()))//2) ```
output
1
22,880
19
45,761
Provide tags and a correct Python 3 solution for this coding contest problem. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavik makes his move. There are n doors, the i-th ...
instruction
0
22,881
19
45,762
Tags: games Correct Solution: ``` n, x, y = map(int,input().split()) a = list(map(int,input().split())) if x > y: print(n) exit(0) a.sort() p = -1 for i in range(n): if a[i] <= x: p = i else: break rem = (p + 1) // 2 + (p + 1) % 2 print(rem) ```
output
1
22,881
19
45,763
Provide tags and a correct Python 3 solution for this coding contest problem. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavik makes his move. There are n doors, the i-th ...
instruction
0
22,882
19
45,764
Tags: games Correct Solution: ``` n, x, y= map(int, input().split()) doors=list(map(int,input().split())) if x>y: print(len(doors)) else: counts=0 for i in range(n): if doors[i]<=x: counts+=1 print(counts//2+(counts%2)) ```
output
1
22,882
19
45,765
Provide tags and a correct Python 3 solution for this coding contest problem. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavik makes his move. There are n doors, the i-th ...
instruction
0
22,883
19
45,766
Tags: games Correct Solution: ``` if __name__ == '__main__': n, x, y = map(int, input().split()) a = input().split() res = 0 if x > y: res = n else: cnt = 0 for i in range(n): if int(a[i]) - x <= 0: cnt += 1 res = int((cnt + 1) / 2) pri...
output
1
22,883
19
45,767
Provide tags and a correct Python 3 solution for this coding contest problem. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavik makes his move. There are n doors, the i-th ...
instruction
0
22,884
19
45,768
Tags: games Correct Solution: ``` # 1102C def solve(rem_tests): if not rem_tests: return res = 0 n, x, y = map(int, input().split()) a = list(map(int, input().split())) for i in a: if i <= x: ...
output
1
22,884
19
45,769
Provide tags and a correct Python 3 solution for this coding contest problem. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavik makes his move. There are n doors, the i-th ...
instruction
0
22,885
19
45,770
Tags: games Correct Solution: ``` import sys r = lambda: sys.stdin.readline().strip() n, x, y = map(int, r().split()) a = list(map(int, r().split())) if x > y: print(n) else: k = 0 for i in a: if i <= x: k += 1 print(k // 2 + k % 2) ```
output
1
22,885
19
45,771
Provide tags and a correct Python 3 solution for this coding contest problem. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavik makes his move. There are n doors, the i-th ...
instruction
0
22,886
19
45,772
Tags: games Correct Solution: ``` n, x, y = map(int, input().split()) seq = sorted(map(int, input().split())) if x > y: print(n) else: ans = 0 for i in range(len(seq)): s = seq[i] if s <= x: s = 0 ans += 1 if i != n - 1: seq[i + 1] += y ...
output
1
22,886
19
45,773
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavi...
instruction
0
22,887
19
45,774
Yes
output
1
22,887
19
45,775
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavi...
instruction
0
22,888
19
45,776
Yes
output
1
22,888
19
45,777
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavi...
instruction
0
22,889
19
45,778
Yes
output
1
22,889
19
45,779
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavi...
instruction
0
22,890
19
45,780
Yes
output
1
22,890
19
45,781
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavi...
instruction
0
22,891
19
45,782
No
output
1
22,891
19
45,783
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavi...
instruction
0
22,892
19
45,784
No
output
1
22,892
19
45,785
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavi...
instruction
0
22,893
19
45,786
No
output
1
22,893
19
45,787
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make your move and during the second phase Slavi...
instruction
0
22,894
19
45,788
No
output
1
22,894
19
45,789
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) ...
instruction
0
22,920
19
45,840
Yes
output
1
22,920
19
45,841
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) ...
instruction
0
22,921
19
45,842
Yes
output
1
22,921
19
45,843