Submission #1986223

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Source Code Expand

#include <iostream>
#include <string>

using namespace std;

int main()
{
  int n, i, ans = 0, k = 0;
  string s;
  
  cin >> n >> s;

  for(i = 0; i < n; i++){
    if(s[i] == 'I'){
      k++;
      if(k > ans)ans = k;
    }
    else{
      k--;
    }
  }
  
  cout << ans << endl;
}

Submission Info

Judge Result