oj.uz

답안 #401305

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
401305 2021-05-09T19:08:47 Z aymanrs Palindromic Partitions (CEOI17_palindromic) C++14
100 / 100
 55 ms 12796 KB 
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9+7;
void solve(){
    string s;
    cin >> s;
    long long a = 0, b = 0, p = 1;
    int n = s.size(), i = 0, j = n-1, ans = 0;
    while(i <= j){
        if(i == j){
            ans++;
            a = b = 0;
            break;
        }
        a = (a * 26 + (s[i] - 'a')) % MOD;
        b = ((s[j] - 'a') * p + b) % MOD;
        p = p*26%MOD;
        i++;
        j--;
        if(a == b){
            a = b = 0;
            p = 1;
            ans += 2;
        }
    }
    if(a != b) ans++;
    cout << ans << '\n';
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int t = 1;
    cin >> t;
    while(t--) solve();
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 448 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 448 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 55 ms 12796 KB Output is correct
15 Correct 32 ms 7760 KB Output is correct
16 Correct 55 ms 11844 KB Output is correct
17 Correct 32 ms 6832 KB Output is correct