제출 #884132

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
884132		vjudge1	Magnus (COCI18_magnus)	C++17	0 / 50	79 ms	748 KiB

magnus

#pragma GCC optimize("unroll-loops,Ofast,O3")
#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define spc << " " <<
#define endl "\n"
#define all(x) x.begin(), x.end()
#define int long long
#define ii pair<int,int>
#define vi vector<int>
#define vii vector<ii>
#define st first
#define nd second
#define inf 1000000009
#define MOD 998244353
#define lim 200005
using namespace std;





void solve(){
    string s; cin >> s;
    int cur = 0;
    map<int, char> wow = {{0, 'H'}, {1, 'O'}, {2, 'N'}, {3, 'I'}};
    int ans=0;
    for(auto c:s){
        if(wow[cur]==c){
            cerr << c << endl;
            cur=(cur+1)%4;
        }
        if(cur==3) ans++;
    }
    cout << ans << endl;
}



signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    #ifdef Local
    freopen("in","r",stdin);
    freopen("out","w",stdout);
    #endif

    /*freopen("fcolor.in","r",stdin);
    freopen("fcolor.out","w",stdout);*/

    int t=1;
    //cin >> t;
    while(t--) solve();
}

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