제출 #522825

#제출 시각아이디문제언어결과실행 시간메모리
522825KoDMagnus (COCI18_magnus)C++17
50 / 50
2 ms588 KiB
#include <bits/stdc++.h>

using std::vector;
using std::array;
using std::pair;
using std::tuple;

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    std::string s;
    std::cin >> s;
    const std::string honi = "HONI";
    int ans = 0, cur = 0;
    for (const char c : s) {
        if (honi[cur] == c) {
            cur += 1;
            if (cur == 4) {
                ans += 1;
                cur = 0;
            }
        }
    }
    std::cout << ans << '\n';
    return 0;
}
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