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Provide tags and a correct Python 3 solution for this coding contest problem. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "codeforces", but string "coder" is not. Your t...
instruction
0
10,832
0
21,664
Tags: combinatorics, math, strings Correct Solution: ``` MOD = 998244353 n = int(input()) s = input() pref = s[0] suff = s[-1] lpref = 0 lsuff = 0 for i in range(len(s)): if s[i] == pref: lpref = lpref + 1 else: break for i in range(len(s)): if s[len(s)-1-i] == suff: lsuff = lsuff...
output
1
10,832
0
21,665
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "codeforces", but string "coder" is not. Your t...
instruction
0
10,833
0
21,666
Tags: combinatorics, math, strings Correct Solution: ``` modu = 998244353 n = int(input()) s = input() # first = s[0] fans = 0 for i in range(n): if s[i] == s[0]: fans = fans+1 else: break s2 = s[::-1] lans = 0 for i in range(n): if s2[i] == s2[0]: lans = lans+1 else: br...
output
1
10,833
0
21,667
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "codeforces", but string "coder" is not. Your t...
instruction
0
10,834
0
21,668
Tags: combinatorics, math, strings Correct Solution: ``` import sys #import math data = sys.stdin.readlines() n = data[0] s = data[1] s = list(s[:len(s) - 1]) diferente1 = -1 diferente2 = -1 for i in range(len(s)): if s[i] != s[0] and diferente1 == -1: diferente1 = i if s[-(i+1)] != s[-1] and diferente2 == -...
output
1
10,834
0
21,669
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "codeforces", but string "coder" is not. Your t...
instruction
0
10,835
0
21,670
Tags: combinatorics, math, strings Correct Solution: ``` from sys import stdin,stdout n=int(stdin.readline()) st=stdin.readline() cntl=0 cntr=0 for i in st: if(st[0] == i): cntl+=1 else: break for j in range(n-1,-1,-1): if(st[j] == st[n-1]): cntr+=1 else: break if(st[0] == st[n-1]): print(((cntl+1)*(cntr+1...
output
1
10,835
0
21,671
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "codeforces", but string "coder" is not. Your t...
instruction
0
10,836
0
21,672
Tags: combinatorics, math, strings Correct Solution: ``` import sys,math,bisect from random import randint inf = float('inf') mod = 998244353 "========================================" def lcm(a,b): return int((a/math.gcd(a,b))*b) def gcd(a,b): return int(math.gcd(a,b)) def tobinary(n): return bin(n)[2:] de...
output
1
10,836
0
21,673
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "codeforces", but string "coder" is not. Your t...
instruction
0
10,837
0
21,674
Tags: combinatorics, math, strings Correct Solution: ``` import sys n = int((sys.stdin.readline()).strip()) s = (sys.stdin.readline()).strip() counter = {} lower = 0 for i in range(n): counter[s[i]]=1 if len(counter)>1: lower = i break counter = {} upper = n-1 for i in reversed(range(n)): c...
output
1
10,837
0
21,675
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "codeforces", but string "coder" is not. Your t...
instruction
0
10,838
0
21,676
Tags: combinatorics, math, strings Correct Solution: ``` n = int(input()) s = list(input()) c =[s[0]] m =[s[-1]] for i in range(len(s)-1): if(s[i]==s[i+1]): c.append(s[i+1]) else: break s.reverse() for i in range(len(s)-1): if(s[i]==s[i+1]): m.append(s[i+1]) else: break ...
output
1
10,838
0
21,677
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "...
instruction
0
10,839
0
21,678
Yes
output
1
10,839
0
21,679
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "...
instruction
0
10,840
0
21,680
Yes
output
1
10,840
0
21,681
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "...
instruction
0
10,841
0
21,682
Yes
output
1
10,841
0
21,683
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "...
instruction
0
10,842
0
21,684
Yes
output
1
10,842
0
21,685
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "...
instruction
0
10,843
0
21,686
No
output
1
10,843
0
21,687
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "...
instruction
0
10,844
0
21,688
No
output
1
10,844
0
21,689
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "...
instruction
0
10,845
0
21,690
No
output
1
10,845
0
21,691
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a string s of length n consisting only of lowercase Latin letters. A substring of a string is a contiguous subsequence of that string. So, string "forces" is substring of string "...
instruction
0
10,846
0
21,692
No
output
1
10,846
0
21,693
Provide tags and a correct Python 3 solution for this coding contest problem. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", and "kkkkkk" are palindromes, while strings "moo...
instruction
0
10,897
0
21,794
Tags: brute force, constructive algorithms, greedy, implementation, strings Correct Solution: ``` from sys import stdin, stdout from math import * from heapq import * from collections import * def is_palind(s): ln=len(s) for i in range(ln): if (s[i] != s[ln-1-i]): return False return Tr...
output
1
10,897
0
21,795
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", a...
instruction
0
10,901
0
21,802
Yes
output
1
10,901
0
21,803
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", a...
instruction
0
10,902
0
21,804
Yes
output
1
10,902
0
21,805
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", a...
instruction
0
10,903
0
21,806
Yes
output
1
10,903
0
21,807
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", a...
instruction
0
10,904
0
21,808
Yes
output
1
10,904
0
21,809
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", a...
instruction
0
10,905
0
21,810
No
output
1
10,905
0
21,811
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", a...
instruction
0
10,906
0
21,812
No
output
1
10,906
0
21,813
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", a...
instruction
0
10,907
0
21,814
No
output
1
10,907
0
21,815
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", a...
instruction
0
10,908
0
21,816
No
output
1
10,908
0
21,817
Provide tags and a correct Python 3 solution for this coding contest problem. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to exactly one of the strings a_i. The strings a_...
instruction
0
10,925
0
21,850
Tags: constructive algorithms, greedy, sortings, strings Correct Solution: ``` import math cases = int(input()) for t in range(cases): n,k = list(map(int,input().split())) s = ''.join(sorted(input())) if k==1: print(''.join(s)) elif s[0]!=s[k-1]: print(s[k-1]) else: if s[0]==...
output
1
10,925
0
21,851
Provide tags and a correct Python 3 solution for this coding contest problem. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to exactly one of the strings a_i. The strings a_...
instruction
0
10,926
0
21,852
Tags: constructive algorithms, greedy, sortings, strings Correct Solution: ``` for _ in range(int(input())): n,k = map(int,input().split()) given = sorted(input()) if len(set(given[:k]))!=1: ans = given[k-1] else: ans = '' if len(set(given[k:]))==1: for i in range(0,n...
output
1
10,926
0
21,853
Provide tags and a correct Python 3 solution for this coding contest problem. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to exactly one of the strings a_i. The strings a_...
instruction
0
10,927
0
21,854
Tags: constructive algorithms, greedy, sortings, strings Correct Solution: ``` # cook your dish here t=int(input()) for _ in range(t): n,k=map(int,input().split()) s=list(input()) s.sort() c=s[0] if s[k-1]!=c: print(s[k-1]) else: x=set(s[k:]) if len(x)==0 or len(x)==1: ...
output
1
10,927
0
21,855
Provide tags and a correct Python 3 solution for this coding contest problem. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to exactly one of the strings a_i. The strings a_...
instruction
0
10,928
0
21,856
Tags: constructive algorithms, greedy, sortings, strings Correct Solution: ``` for lo in range(int(input())): #n = int(input()) n,k = map(int,input().split()) st = input() ls = [0 for i in range(26)] c = 0 mn = 30 for i in st: x = ord(i)-97 if ls[x]==0: c+=1 ...
output
1
10,928
0
21,857
Provide tags and a correct Python 3 solution for this coding contest problem. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to exactly one of the strings a_i. The strings a_...
instruction
0
10,929
0
21,858
Tags: constructive algorithms, greedy, sortings, strings Correct Solution: ``` for _ in range(int(input())): n,k = map(int, input().split()) s = ''.join(sorted(input())) if(s[0] != s[k-1] or k == n): print(s[k-1]) continue if(s[k] != s[n-1]): print(s[0]+s[k:]) else: print(s[0]+s[...
output
1
10,929
0
21,859
Provide tags and a correct Python 3 solution for this coding contest problem. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to exactly one of the strings a_i. The strings a_...
instruction
0
10,930
0
21,860
Tags: constructive algorithms, greedy, sortings, strings Correct Solution: ``` import math t = int(input()) for _ in range(t): n,m = map(int,input().split()) s = input() s1 = [i for i in s] s1.sort() s = ''.join(s1) #print(s) if m==n: print(s[n-1]) continue if m==1: ...
output
1
10,930
0
21,861
Provide tags and a correct Python 3 solution for this coding contest problem. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to exactly one of the strings a_i. The strings a_...
instruction
0
10,931
0
21,862
Tags: constructive algorithms, greedy, sortings, strings Correct Solution: ``` I=input exec(int(I())*"n,k=map(int,I().split());s=''.join(sorted(I()));c=s[k-1];print(c+(c==s[0])*s[k::k**(s[k%n]==s[-1])]);") ```
output
1
10,931
0
21,863
Provide tags and a correct Python 3 solution for this coding contest problem. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to exactly one of the strings a_i. The strings a_...
instruction
0
10,932
0
21,864
Tags: constructive algorithms, greedy, sortings, strings Correct Solution: ``` #ライブラリインポート from collections import defaultdict con = 10 ** 9 + 7 #入力受け取り def getlist(): return list(map(int, input().split())) #処理内容 def main(): T = int(input()) for i in range(T): N, K = getlist() s = sorted(list(input())) #面倒 ...
output
1
10,932
0
21,865
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to...
instruction
0
10,933
0
21,866
Yes
output
1
10,933
0
21,867
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to...
instruction
0
10,934
0
21,868
Yes
output
1
10,934
0
21,869
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to...
instruction
0
10,935
0
21,870
Yes
output
1
10,935
0
21,871
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to...
instruction
0
10,936
0
21,872
Yes
output
1
10,936
0
21,873
Evaluate the correctness of the submitted Python 2 solution to the coding contest problem. Provide a "Yes" or "No" response. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to...
instruction
0
10,937
0
21,874
Yes
output
1
10,937
0
21,875
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to...
instruction
0
10,938
0
21,876
No
output
1
10,938
0
21,877
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to...
instruction
0
10,939
0
21,878
No
output
1
10,939
0
21,879
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to...
instruction
0
10,940
0
21,880
No
output
1
10,940
0
21,881
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Phoenix has a string s consisting of lowercase Latin letters. He wants to distribute all the letters of his string into k non-empty strings a_1, a_2, ..., a_k such that every letter of s goes to...
instruction
0
10,941
0
21,882
No
output
1
10,941
0
21,883
Provide tags and a correct Python 3 solution for this coding contest problem. You are given the strings a and b, consisting of lowercase Latin letters. You can do any number of the following operations in any order: * if |a| > 0 (the length of the string a is greater than zero), delete the first character of the s...
instruction
0
10,990
0
21,980
Tags: brute force, implementation, strings Correct Solution: ``` t=int(input()) for _ in range(t): a=str(input()) b=str(input()) x=len(a) y=len(b) if x>y: mini=0 for i in range(y): for j in range(i+1,y+1): s=b[i:j] l=j-i p=0...
output
1
10,990
0
21,981
Provide tags and a correct Python 3 solution for this coding contest problem. You are given the strings a and b, consisting of lowercase Latin letters. You can do any number of the following operations in any order: * if |a| > 0 (the length of the string a is greater than zero), delete the first character of the s...
instruction
0
10,991
0
21,982
Tags: brute force, implementation, strings Correct Solution: ``` for i in range(int(input())): a=list(input()) b=list(input()) a1=len(a) b1=len(b) if a1>b1: a1,b1=b1,a1 a,b=b,a s=[] for i in range(a1): for j in range(i+1,a1+1): s.append(a[i:j]) s1=0 ...
output
1
10,991
0
21,983
Provide tags and a correct Python 3 solution for this coding contest problem. You are given the strings a and b, consisting of lowercase Latin letters. You can do any number of the following operations in any order: * if |a| > 0 (the length of the string a is greater than zero), delete the first character of the s...
instruction
0
10,992
0
21,984
Tags: brute force, implementation, strings Correct Solution: ``` def getCharNGram(n,s): charGram = [''.join(s[i:i+n]) for i in range(len(s)-n+1)] return charGram t = int(input()) for _ in range(t): A = input() B = input() if len(A) < len(B): ans = len(B)+len(A) for i in range(1,len(...
output
1
10,992
0
21,985
Provide tags and a correct Python 3 solution for this coding contest problem. You are given the strings a and b, consisting of lowercase Latin letters. You can do any number of the following operations in any order: * if |a| > 0 (the length of the string a is greater than zero), delete the first character of the s...
instruction
0
10,993
0
21,986
Tags: brute force, implementation, strings Correct Solution: ``` T = int(input()) for _ in range(T): a = input() b = input() out = len(a) + len(b) for i in range(len(a)): for j in range(len(a), i, -1): if a[i:j] in b: out = min(out, len(a)+len(b)-2*(j-i)) p...
output
1
10,993
0
21,987
Provide tags and a correct Python 3 solution for this coding contest problem. You are given the strings a and b, consisting of lowercase Latin letters. You can do any number of the following operations in any order: * if |a| > 0 (the length of the string a is greater than zero), delete the first character of the s...
instruction
0
10,994
0
21,988
Tags: brute force, implementation, strings Correct Solution: ``` from sys import stdin input = stdin.readline t = int(input()) for _ in range(t): a = input().rstrip() b = input().rstrip() aa = set() bb = set() for i in range(len(a)): c = [] for j in range(i, len(a)): c.a...
output
1
10,994
0
21,989
Provide tags and a correct Python 3 solution for this coding contest problem. You are given the strings a and b, consisting of lowercase Latin letters. You can do any number of the following operations in any order: * if |a| > 0 (the length of the string a is greater than zero), delete the first character of the s...
instruction
0
10,995
0
21,990
Tags: brute force, implementation, strings Correct Solution: ``` import sys,functools,collections,bisect,math,heapq input = sys.stdin.readline #print = sys.stdout.write def fun(A ,B): n = len(A) m = len(B) #Edge cases. if m == 0 or n == 0: return 0 if n == 1 and m == 1: if A[0] == B[0]: return 1 else: ...
output
1
10,995
0
21,991
Provide tags and a correct Python 3 solution for this coding contest problem. You are given the strings a and b, consisting of lowercase Latin letters. You can do any number of the following operations in any order: * if |a| > 0 (the length of the string a is greater than zero), delete the first character of the s...
instruction
0
10,996
0
21,992
Tags: brute force, implementation, strings Correct Solution: ``` import sys def I(): return int(sys.stdin.readline().rstrip()) def MI(): return map(int,sys.stdin.readline().rstrip().split()) def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) def LI2(): return list(map(int,sys.stdin.readline().rstri...
output
1
10,996
0
21,993
Provide tags and a correct Python 3 solution for this coding contest problem. You are given the strings a and b, consisting of lowercase Latin letters. You can do any number of the following operations in any order: * if |a| > 0 (the length of the string a is greater than zero), delete the first character of the s...
instruction
0
10,997
0
21,994
Tags: brute force, implementation, strings Correct Solution: ``` n = int(input()) for i in range(n): s1 = input() s2 = input() if (len(s1) > len(s2)): s1, s2 = s2, s1 max = 0 for j in range(len(s1)): for k in range(j, len(s1)): found = s2.find(s1[j:k+1]) if (found ...
output
1
10,997
0
21,995
Provide tags and a correct Python 3 solution for this coding contest problem. Paul hates palindromes. He assumes that string s is tolerable if each its character is one of the first p letters of the English alphabet and s doesn't contain any palindrome contiguous substring of length 2 or more. Paul has found a tolera...
instruction
0
11,141
0
22,282
Tags: greedy, strings Correct Solution: ``` import sys from math import log2,floor,ceil,sqrt,gcd import bisect # from collections import deque # sys.setrecursionlimit(10**5) Ri = lambda : [int(x) for x in sys.stdin.readline().split()] ri = lambda : sys.stdin.readline().strip() def input(): return sys.stdin.readline()...
output
1
11,141
0
22,283