Submission #3570786

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

typedef pair<int,int> pii;

#define size(x) ((int) x.size())

int main() {
    ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
    int n, ans = 0, x = 0;
    string s;
    cin >> n >> s;
    for (int i = 0; i < n; i++) {
        if (s[i] == 'I')
            x++;
        else
            x--;
        ans = max(ans, x);
    }
    cout << ans << endl;
    return 0;
}

Submission Info

Judge Result