Submission #476335

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
476335	2021-09-26 04:45:08	palilo	스탬프 수집 (JOI16_ho_t2)	C++17	100 / 100	3 ms	588 KiB

2016_ho_t2

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#include <bits/stdc++.h>
using namespace std;
template <class T>
bool chmin(T& _old, T _new) { return _old > _new && (_old = _new, true); }
template <class T>
bool chmax(T& _old, T _new) { return _old < _new && (_old = _new, true); }
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
#ifdef palilo
    freopen("in", "r", stdin);
    freopen("out", "w", stdout);
#endif
    int n;
    string s;
    cin >> n >> s;
    int64_t ans = 0, cur = 0;
    {
        // case 'I'
        int64_t j = 0, o = 0;
        for (const auto& c : s) {
            if (c == 'J') {
                ++j;
            } else if (c == 'O') {
                o += j;
            } else {
                cur += o;
            }
        }
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 20 / 20
• Subtask 3: 50 / 50