oj.uz

답안 #748162

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
748162 2023-05-25T13:28:00 Z Sharky JOIOJI (JOI14_joioji) C++17
100 / 100
 40 ms 6224 KB 
#include <bits/stdc++.h>
using namespace std;

map<pair<int, int>, int> mp;

int32_t main() {
    ios::sync_with_stdio(0); cin.tie(0);
    int n, ans = 0;
    string s;
    cin >> n >> s;
    vector<int> cnt(3, 0);
    map<char, int> cv = {{'J', 0}, {'O', 1}, {'I', 2}};
    mp[{0, 0}] = -1;
    for (int i = 0; i < n; i++) {
        cnt[cv[s[i]]]++;
        pair<int, int> tmp = {cnt[1] - cnt[0], cnt[2] - cnt[1]};
        if (!mp.count(tmp)) mp[tmp] = i;
        else ans = max(ans, i - mp[tmp]);
    }
    cout << ans << '\n';
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 324 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 0 ms 320 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 452 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #3
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 468 KB Output is correct
2 Correct 6 ms 980 KB Output is correct
3 Correct 10 ms 1396 KB Output is correct
4 Correct 19 ms 2188 KB Output is correct
5 Correct 28 ms 3384 KB Output is correct
6 Correct 37 ms 3620 KB Output is correct
7 Correct 37 ms 4048 KB Output is correct
8 Correct 35 ms 3460 KB Output is correct
9 Correct 40 ms 3768 KB Output is correct
10 Correct 38 ms 3528 KB Output is correct
11 Correct 27 ms 5120 KB Output is correct
12 Correct 20 ms 2264 KB Output is correct
13 Correct 19 ms 1632 KB Output is correct
14 Correct 31 ms 6224 KB Output is correct
15 Correct 25 ms 1236 KB Output is correct