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Provide tags and a correct Python 3 solution for this coding contest problem. You are given two strings s and t. Both strings have length n and consist of lowercase Latin letters. The characters in the strings are numbered from 1 to n. You can successively perform the following move any number of times (possibly, zer...
instruction
0
22,849
0
45,698
Tags: implementation Correct Solution: ``` n = int(input()) s = list(input()) t = list(input()) k = n i = 0 ans=0 c=[] while n!=0: if s[i]!=t[i]: j=i while j<k and s[j]!=t[i]: j+=1 if j==k: ans=-1 break save=s[j] del s[j] while j !=...
output
1
22,849
0
45,699
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two strings s and t. Both strings have length n and consist of lowercase Latin letters. The characters in the strings are numbered from 1 to n. You can successively perform the fo...
instruction
0
22,850
0
45,700
Yes
output
1
22,850
0
45,701
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two strings s and t. Both strings have length n and consist of lowercase Latin letters. The characters in the strings are numbered from 1 to n. You can successively perform the fo...
instruction
0
22,851
0
45,702
Yes
output
1
22,851
0
45,703
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two strings s and t. Both strings have length n and consist of lowercase Latin letters. The characters in the strings are numbered from 1 to n. You can successively perform the fo...
instruction
0
22,852
0
45,704
Yes
output
1
22,852
0
45,705
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two strings s and t. Both strings have length n and consist of lowercase Latin letters. The characters in the strings are numbered from 1 to n. You can successively perform the fo...
instruction
0
22,853
0
45,706
Yes
output
1
22,853
0
45,707
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two strings s and t. Both strings have length n and consist of lowercase Latin letters. The characters in the strings are numbered from 1 to n. You can successively perform the fo...
instruction
0
22,854
0
45,708
No
output
1
22,854
0
45,709
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two strings s and t. Both strings have length n and consist of lowercase Latin letters. The characters in the strings are numbered from 1 to n. You can successively perform the fo...
instruction
0
22,855
0
45,710
No
output
1
22,855
0
45,711
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two strings s and t. Both strings have length n and consist of lowercase Latin letters. The characters in the strings are numbered from 1 to n. You can successively perform the fo...
instruction
0
22,856
0
45,712
No
output
1
22,856
0
45,713
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two strings s and t. Both strings have length n and consist of lowercase Latin letters. The characters in the strings are numbered from 1 to n. You can successively perform the fo...
instruction
0
22,857
0
45,714
No
output
1
22,857
0
45,715
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a binary string s. Find the number of distinct cyclical binary strings of length n which contain s as a substring. The cyclical string t contains s as a substring if there is some cyclical shift of string t, such that s is a ...
instruction
0
22,858
0
45,716
Tags: dp, strings Correct Solution: ``` n=int(input()) s=[c=='1' for c in input()] m=len(s) z=[[0,0]] for c in s: ind = z[-1][c] z[-1][c] = len(z) z.append(z[ind][:]) assert(len(z) == m+1) z[m][0] = z[m][1] = m # make it sticky # how many things match directly dp = [0 for _ in range(m+1)] dp[0] = 1 for i in range(n...
output
1
22,858
0
45,717
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a binary string s. Find the number of distinct cyclical binary strings of length n which contain s as a substring. The cyclical string t contains s as a substring if there is som...
instruction
0
22,859
0
45,718
No
output
1
22,859
0
45,719
Provide a correct Python 3 solution for this coding contest problem. Given are strings S and T. Consider changing S to T by repeating the operation below. Find the minimum number of operations required to do so. Operation: Choose one character of S and replace it with a different character. Constraints * S and T ha...
instruction
0
23,558
0
47,116
"Correct Solution: ``` S = input() T = input() print(len([i for i in range(len(S)) if S[i] != T[i]])) ```
output
1
23,558
0
47,117
Provide a correct Python 3 solution for this coding contest problem. Given are strings S and T. Consider changing S to T by repeating the operation below. Find the minimum number of operations required to do so. Operation: Choose one character of S and replace it with a different character. Constraints * S and T ha...
instruction
0
23,560
0
47,120
"Correct Solution: ``` print(sum(c!=d for c,d in zip(input(),input()))) ```
output
1
23,560
0
47,121
Provide a correct Python 3 solution for this coding contest problem. Given are strings S and T. Consider changing S to T by repeating the operation below. Find the minimum number of operations required to do so. Operation: Choose one character of S and replace it with a different character. Constraints * S and T ha...
instruction
0
23,561
0
47,122
"Correct Solution: ``` s = input() t = input() print(sum([s[i] != t[i] for i in range(len(s))])) ```
output
1
23,561
0
47,123
Provide a correct Python 3 solution for this coding contest problem. Given are strings S and T. Consider changing S to T by repeating the operation below. Find the minimum number of operations required to do so. Operation: Choose one character of S and replace it with a different character. Constraints * S and T ha...
instruction
0
23,562
0
47,124
"Correct Solution: ``` s = input() t = input() ans = 0 for a,b in zip(s,t): ans += (a != b) print(ans) ```
output
1
23,562
0
47,125
Provide a correct Python 3 solution for this coding contest problem. Given are strings S and T. Consider changing S to T by repeating the operation below. Find the minimum number of operations required to do so. Operation: Choose one character of S and replace it with a different character. Constraints * S and T ha...
instruction
0
23,563
0
47,126
"Correct Solution: ``` s = list(input()); t = list(input()) print(sum([1 for i,j in zip(s,t) if i!=j])) ```
output
1
23,563
0
47,127
Provide a correct Python 3 solution for this coding contest problem. Given are strings S and T. Consider changing S to T by repeating the operation below. Find the minimum number of operations required to do so. Operation: Choose one character of S and replace it with a different character. Constraints * S and T ha...
instruction
0
23,564
0
47,128
"Correct Solution: ``` n=input() t=input() c=0 for i in range(len(n)): if n[i]!=t[i]: c+=1 print(c) ```
output
1
23,564
0
47,129
Provide a correct Python 3 solution for this coding contest problem. Given are strings S and T. Consider changing S to T by repeating the operation below. Find the minimum number of operations required to do so. Operation: Choose one character of S and replace it with a different character. Constraints * S and T ha...
instruction
0
23,565
0
47,130
"Correct Solution: ``` a=input() b=input() n=len(a) c=0 for i in range(n): if(a[i]!=b[i]): c+=1 print(c) ```
output
1
23,565
0
47,131
Provide a correct Python 3 solution for this coding contest problem. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `B`; * The length of the longest substring of f(A, B) con...
instruction
0
23,654
0
47,308
"Correct Solution: ``` for t in range(int(input())): a,b,c,d=map(int,input().split(' ')) l,x,y,o=(a+b)//(min(a,b)+1),0,0,"" if a*l<=b:y=a+b elif b*l<=a:x=a+b else:x,y=(a*l-b)//(l-1),(b*l-a)//(l-1) for i in range(c,d+1):o+="AB"[i%(l+1)==0] if i<=x else "BA"[(a+b-i+1)%(l+1)==0] if a+b-i+1<=y else "AB"[a-x+x//(l+1)-...
output
1
23,654
0
47,309
Provide a correct Python 3 solution for this coding contest problem. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `B`; * The length of the longest substring of f(A, B) con...
instruction
0
23,655
0
47,310
"Correct Solution: ``` T=int(input()) for TT in range(T): a,b,c,d=map(int,input().split(' ')) l,x,y=(a+b)//(min(a,b)+1),0,0 if a*l<=b: y=a+b elif b*l<=a: x=a+b else: x,y=(a*l-b)//(l-1),(b*l-a)//(l-1) out="" for i in range(c,d+1): if i<=x: out+="AB"...
output
1
23,655
0
47,311
Provide a correct Python 3 solution for this coding contest problem. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `B`; * The length of the longest substring of f(A, B) con...
instruction
0
23,656
0
47,312
"Correct Solution: ``` for t in range(int(input())): a,b,c,d=map(int,input().split(' '));l,x,y,o=(a+b)//(min(a,b)+1),0,0,"" if a*l<=b:y=a+b elif b*l<=a:x=a+b else:x,y=(a*l-b)//(l-1),(b*l-a)//(l-1) for i in range(c,d+1):o+="AB"[i%(l+1)==0] if i<=x else "BA"[(a+b-i+1)%(l+1)==0] if a+b-i+1<=y else "AB"[a-x+x//(l+1)-y...
output
1
23,656
0
47,313
Provide a correct Python 3 solution for this coding contest problem. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `B`; * The length of the longest substring of f(A, B) con...
instruction
0
23,657
0
47,314
"Correct Solution: ``` T=int(input()) for TT in range(T): a,b,c,d=map(int,input().split(' ')) l,x,y=(a+b)//(min(a,b)+1),0,0 if a*l<=b: y=a+b elif b*l<=a: x=a+b else: x,y=(a*l-b)//(l-1),(b*l-a)//(l-1) #Like G2 tong long out="" for i in range(c,d+1): if i<=x: out+="AB"[i%(l+1)==0] elif a+b-i+1<=y: ...
output
1
23,657
0
47,315
Provide a correct Python 3 solution for this coding contest problem. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `B`; * The length of the longest substring of f(A, B) con...
instruction
0
23,658
0
47,316
"Correct Solution: ``` T=int(input()) for TT in range(T): a,b,c,d=map(int,input().split(' ')) l,x,y,out=(a+b)//(min(a,b)+1),0,0,"" if a*l<=b:y=a+b elif b*l<=a:x=a+b else:x,y=(a*l-b)//(l-1),(b*l-a)//(l-1) for i in range(c,d+1):out+=("AB"[i%(l+1)==0]) if i<=x else "BA"[(a+b-i+1)%(l+1)==0] if a+b-i+1<=y else "AB"[a...
output
1
23,658
0
47,317
Provide a correct Python 3 solution for this coding contest problem. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `B`; * The length of the longest substring of f(A, B) con...
instruction
0
23,659
0
47,318
"Correct Solution: ``` #!/usr/bin/env python3 import math Q = int(input()) num = lambda x: (x, max(0, (x - 1) // K)) sub = lambda xs, ys: [x - y for (x, y) in zip(xs, ys)] for _ in range(Q): A, B, C, D = map(int, input().split()) K = math.ceil(max(A, B) / (min(A, B) + 1)) l, r = 0, A + 1 while r - l > 1...
output
1
23,659
0
47,319
Provide a correct Python 3 solution for this coding contest problem. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `B`; * The length of the longest substring of f(A, B) con...
instruction
0
23,660
0
47,320
"Correct Solution: ``` #!/usr/bin/env python3 import math Q = int(input()) for _ in range(Q): A, B, C, D = map(int, input().split()) K = math.ceil(max(A, B) / (min(A, B) + 1)) lo, hi = 0, A + 1 while hi - lo > 1: mid = (lo + hi) // 2 rA, rB = A - mid, B - max(0, (mid - 1) // K) i...
output
1
23,660
0
47,321
Provide a correct Python 3 solution for this coding contest problem. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `B`; * The length of the longest substring of f(A, B) con...
instruction
0
23,661
0
47,322
"Correct Solution: ``` for t in range(int(input())): a,b,c,d=map(int,input().split(' '));l,x,y,o=(a+b)//(min(a,b)+1),a+b,0,"" if a*l<=b:x,y=0,a+b elif b*l>a:x,y=(a*l-b)//(l-1),(b*l-a)//(l-1) for i in range(c,d+1):o+="AB"[i%(l+1)==0] if i<=x else "BA"[(a+b-i+1)%(l+1)==0] if a+b-i+1<=y else "AB"[a-x+x//(l+1)-y//(l+1)...
output
1
23,661
0
47,323
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `...
instruction
0
23,662
0
47,324
Yes
output
1
23,662
0
47,325
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `...
instruction
0
23,663
0
47,326
No
output
1
23,663
0
47,327
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `...
instruction
0
23,664
0
47,328
No
output
1
23,664
0
47,329
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `...
instruction
0
23,665
0
47,330
No
output
1
23,665
0
47,331
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let f(A, B), where A and B are positive integers, be the string satisfying the following conditions: * f(A, B) has length A + B; * f(A, B) contains exactly A letters `A` and exactly B letters `...
instruction
0
23,666
0
47,332
No
output
1
23,666
0
47,333
Provide tags and a correct Python 3 solution for this coding contest problem. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For example, ababa is adorable (you can transform i...
instruction
0
24,448
0
48,896
Tags: implementation Correct Solution: ``` import math as ma from sys import exit def li(): return list(map(int,input().split())) def num(): return map(int,input().split()) def nu(): return int(input()) s=input() f=[0]*26 for ch in s: f[ord(ch)-97]+=1 c=0 x=[] v=[] for i in range(26): if(f[i]>0): c+=1 x.append...
output
1
24,448
0
48,897
Provide tags and a correct Python 3 solution for this coding contest problem. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For example, ababa is adorable (you can transform i...
instruction
0
24,450
0
48,900
Tags: implementation Correct Solution: ``` y = input() x = {i: y.count(i) for i in set(y)} print('YNEOS'[(any(x[i]<2 for i in x)if len(x)==2 else len(y)<4)if 1<len(x)<5 else 1::2]) ```
output
1
24,450
0
48,901
Provide tags and a correct Python 3 solution for this coding contest problem. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For example, ababa is adorable (you can transform i...
instruction
0
24,451
0
48,902
Tags: implementation Correct Solution: ``` # http://codeforces.com/problemset/problem/955/B # Not simply beatiful strings string = input() d = {} for c in string: try: d[c] += 1 except: d[c] = 1 if len(d) == 1: print('No') elif len(d) == 2: valid = True for v in d.values(): ...
output
1
24,451
0
48,903
Provide tags and a correct Python 3 solution for this coding contest problem. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For example, ababa is adorable (you can transform i...
instruction
0
24,453
0
48,906
Tags: implementation Correct Solution: ``` from functools import reduce s = input() num_of_chars_in_s = {} for char in s: if char not in num_of_chars_in_s: num_of_chars_in_s[char] = 0 num_of_chars_in_s[char] += 1 answer = False if len(num_of_chars_in_s) < 2 or len(num_of_chars_in_s) > 4: pass ...
output
1
24,453
0
48,907
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For ...
instruction
0
24,455
0
48,910
Yes
output
1
24,455
0
48,911
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For ...
instruction
0
24,456
0
48,912
Yes
output
1
24,456
0
48,913
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For ...
instruction
0
24,457
0
48,914
Yes
output
1
24,457
0
48,915
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For ...
instruction
0
24,458
0
48,916
Yes
output
1
24,458
0
48,917
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For ...
instruction
0
24,459
0
48,918
No
output
1
24,459
0
48,919
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For ...
instruction
0
24,460
0
48,920
No
output
1
24,460
0
48,921
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For ...
instruction
0
24,461
0
48,922
No
output
1
24,461
0
48,923
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For ...
instruction
0
24,462
0
48,924
No
output
1
24,462
0
48,925
Provide a correct Python 3 solution for this coding contest problem. We have a string S of length N consisting of uppercase English letters. How many times does `ABC` occur in S as contiguous subsequences (see Sample Inputs and Outputs)? Constraints * 3 \leq N \leq 50 * S consists of uppercase English letters. Inp...
instruction
0
24,509
0
49,018
"Correct Solution: ``` n = int(input()) print(input().count("ABC")) ```
output
1
24,509
0
49,019
Provide a correct Python 3 solution for this coding contest problem. We have a string S of length N consisting of uppercase English letters. How many times does `ABC` occur in S as contiguous subsequences (see Sample Inputs and Outputs)? Constraints * 3 \leq N \leq 50 * S consists of uppercase English letters. Inp...
instruction
0
24,510
0
49,020
"Correct Solution: ``` input() text = input().split("ABC") print(len(text)-1) ```
output
1
24,510
0
49,021
Provide a correct Python 3 solution for this coding contest problem. We have a string S of length N consisting of uppercase English letters. How many times does `ABC` occur in S as contiguous subsequences (see Sample Inputs and Outputs)? Constraints * 3 \leq N \leq 50 * S consists of uppercase English letters. Inp...
instruction
0
24,511
0
49,022
"Correct Solution: ``` #150_B n = int(input()) s = input() print(s.count('ABC')) ```
output
1
24,511
0
49,023
Provide a correct Python 3 solution for this coding contest problem. We have a string S of length N consisting of uppercase English letters. How many times does `ABC` occur in S as contiguous subsequences (see Sample Inputs and Outputs)? Constraints * 3 \leq N \leq 50 * S consists of uppercase English letters. Inp...
instruction
0
24,512
0
49,024
"Correct Solution: ``` N = int(input()) X = input() print(X.count("ABC")) ```
output
1
24,512
0
49,025
Provide a correct Python 3 solution for this coding contest problem. We have a string S of length N consisting of uppercase English letters. How many times does `ABC` occur in S as contiguous subsequences (see Sample Inputs and Outputs)? Constraints * 3 \leq N \leq 50 * S consists of uppercase English letters. Inp...
instruction
0
24,513
0
49,026
"Correct Solution: ``` n = int(input()) s = str(input()) print(s.count('ABC')) ```
output
1
24,513
0
49,027
Provide a correct Python 3 solution for this coding contest problem. We have a string S of length N consisting of uppercase English letters. How many times does `ABC` occur in S as contiguous subsequences (see Sample Inputs and Outputs)? Constraints * 3 \leq N \leq 50 * S consists of uppercase English letters. Inp...
instruction
0
24,514
0
49,028
"Correct Solution: ``` input() print(str(input()).count("ABC")) ```
output
1
24,514
0
49,029
Provide a correct Python 3 solution for this coding contest problem. We have a string S of length N consisting of uppercase English letters. How many times does `ABC` occur in S as contiguous subsequences (see Sample Inputs and Outputs)? Constraints * 3 \leq N \leq 50 * S consists of uppercase English letters. Inp...
instruction
0
24,515
0
49,030
"Correct Solution: ``` _ = input() print(input().count('ABC')) ```
output
1
24,515
0
49,031