Submission #1825593


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#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
//---------------------------------------------------------------------------------------------------
/*---------------------------------------------------------------------------------------------------
            ∧_∧  
      ∧_∧  (´<_` )  Welcome to My Coding Space!
     ( ´_ゝ`) /  ⌒i     
    /   \     | |     
    /   / ̄ ̄ ̄ ̄/  |  
  __(__ニつ/     _/ .| .|____  
     \/____/ (u ⊃  
---------------------------------------------------------------------------------------------------*/




string S, T; int N;
//---------------------------------------------------------------------------------------------------
int check(string s) {
    int n = s.length();
    rep(i, 0, n / 2) if (s[i] != s[n - 1 - i]) return 0;
    return 1;
}
//---------------------------------------------------------------------------------------------------
void _main() {
    cin >> S;
    N = S.length();

    T = S;
    reverse(T.begin(), T.end());

    int ans = 0;
    rep(i, 0, N + 1) {
        string cand = S + T.substr(N - i);
        if (check(cand)) {
            printf("%d\n", i);
            return;
        }
    }
}

Submission Info

Submission Time
Task B - Concatenated Palindrome
User hamayanhamayan
Language C++14 (GCC 5.4.1)
Score 200
Code Size 1588 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 4
AC × 18
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
sample_04.txt AC 1 ms 256 KB
subtask_1_1.txt AC 1 ms 256 KB
subtask_1_10.txt AC 1 ms 256 KB
subtask_1_11.txt AC 1 ms 256 KB
subtask_1_12.txt AC 1 ms 256 KB
subtask_1_13.txt AC 1 ms 256 KB
subtask_1_14.txt AC 1 ms 256 KB
subtask_1_2.txt AC 1 ms 256 KB
subtask_1_3.txt AC 1 ms 256 KB
subtask_1_4.txt AC 1 ms 256 KB
subtask_1_5.txt AC 1 ms 256 KB
subtask_1_6.txt AC 1 ms 256 KB
subtask_1_7.txt AC 1 ms 256 KB
subtask_1_8.txt AC 1 ms 256 KB
subtask_1_9.txt AC 1 ms 256 KB