Submission #1231078

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int main() {
    int N;
    string S;
    cin >> N >> S;
    
    int sum = 0, ans = 0;
    for (int i = 0; i < S.size(); i++) {
        if (S[i] == 'I') ans = max(ans, ++sum);
        else --sum;
    }
    cout << ans << endl;

    return 0;
}

Submission Info

Judge Result