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Submission #199799

# Submission time Handle Problem Language Result Execution time Memory
199799 2020-02-03T13:04:01 Z ahmad_salah Magnus (COCI18_magnus) C++14
50 / 50
 6 ms 632 KB 
#include <bits/stdc++.h>

using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    string s;
    cin >> s;
    stack<char> st;

    while (!s.empty()) {
        if (st.empty() || st.top() == 'H') {
            if (s.back() == 'I')
                st.push('I');
        } else {
            if (st.top() == 'I' && s.back() == 'N')
                st.push('N');
            else if (st.top() == 'N' && s.back() == 'O')
                st.push('O');
            else if (st.top() == 'O' && s.back() == 'H')
                st.push('H');
        }
        s.pop_back();
    }

    cout << st.size() / 4 << '\n';

    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 380 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 504 KB Output is correct
2 Correct 6 ms 504 KB Output is correct
3 Correct 6 ms 504 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 508 KB Output is correct
2 Correct 6 ms 504 KB Output is correct
3 Correct 6 ms 504 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 540 KB Output is correct
2 Correct 6 ms 504 KB Output is correct
3 Correct 6 ms 504 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 504 KB Output is correct
2 Correct 6 ms 540 KB Output is correct
3 Correct 6 ms 632 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 504 KB Output is correct
2 Correct 6 ms 632 KB Output is correct
3 Correct 6 ms 504 KB Output is correct