Submission #74115980

Source Code Expand

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const long long INF = (1LL << 62) - (1LL << 31) - 1;

int main() {
    int N, L , R;
    string S;
    cin >> N >> L >> R >> S;
    vector<ll> al(26,0);
    for (int i = L; i <= R; i++) {
        int p = S[i] - 'a';
        al[p]++;
    }
    ll ans = 0;
    for (int i = 0; i < N; i++) {
        int p = S[i] - 'a';
        ans += al[p];
        if (L + i < N) {
            int l = S[L+i] - 'a';
            if (al[l] != 0) al[l]--;
        }
        if (R+i + 1 < N) {
            int r = S[R+i+1] - 'a';
            al[r]++;
        }
    }
    cout << ans << endl;
    return 0;
}

Submission Info

Submission Time
Task C - Comfortable Distance
User takakan448
Language C++23 (GCC 15.2.0)
Score 300
Code Size 682 Byte
Status AC
Exec Time 9 ms
Memory 4492 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 23
Set Name Test Cases
Sample sample00.txt, sample01.txt, sample02.txt
All sample00.txt, sample01.txt, sample02.txt, testcase00.txt, testcase01.txt, testcase02.txt, testcase03.txt, testcase04.txt, testcase05.txt, testcase06.txt, testcase07.txt, testcase08.txt, testcase09.txt, testcase10.txt, testcase11.txt, testcase12.txt, testcase13.txt, testcase14.txt, testcase15.txt, testcase16.txt, testcase17.txt, testcase18.txt, testcase19.txt
Case Name Status Exec Time Memory
sample00.txt AC 1 ms 3576 KiB
sample01.txt AC 1 ms 3428 KiB
sample02.txt AC 1 ms 3592 KiB
testcase00.txt AC 1 ms 3584 KiB
testcase01.txt AC 1 ms 3428 KiB
testcase02.txt AC 2 ms 3776 KiB
testcase03.txt AC 7 ms 4024 KiB
testcase04.txt AC 3 ms 3740 KiB
testcase05.txt AC 4 ms 3920 KiB
testcase06.txt AC 3 ms 3852 KiB
testcase07.txt AC 7 ms 4364 KiB
testcase08.txt AC 7 ms 4388 KiB
testcase09.txt AC 7 ms 4492 KiB
testcase10.txt AC 7 ms 4384 KiB
testcase11.txt AC 7 ms 4312 KiB
testcase12.txt AC 9 ms 4376 KiB
testcase13.txt AC 8 ms 4388 KiB
testcase14.txt AC 7 ms 4384 KiB
testcase15.txt AC 7 ms 4384 KiB
testcase16.txt AC 8 ms 4388 KiB
testcase17.txt AC 9 ms 4436 KiB
testcase18.txt AC 7 ms 4372 KiB
testcase19.txt AC 8 ms 4412 KiB