Submission #292969

#	Time	Username	Problem	Language	Result	Execution time	Memory
292969		7_7_7	Magnus (COCI18_magnus)	C++17	15 / 50	3 ms	768 KiB

magnus

#include <bits/stdc++.h>

using namespace std;

int f(char c){
    if(c == 'H') return 0;
    if(c == 'O') return 1;
    if(c == 'N') return 2;
    if(c == 'I') return 3;
    return -1;
}
int main()
{
    ios_base::sync_with_stdio(false);

    string s;
    cin >> s;
    vector<int> cnt(4);
    for(int i = 0; i < (int)s.size(); i ++){
        if(f(s[i]) != -1){
            if(f(s[i]) == 0){
                cnt[f(s[i])] = max(cnt[f(s[i])], 1);
            }else{
                if(cnt[f(s[i]) - 1] > 0){
                    cnt[f(s[i]) - 1] --;
                    cnt[f(s[i])] ++;
                }
            }
        }
    }
    cout << cnt.back() << "\n";
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 5
• Subtask 10: 0 / 5