Submission #2206689

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main(){
	int N;
	string S;
	cin >> N>>S;

	int x = 0 , ans = 0;
	char key = 'I';
	for(int i=0;i<N;++i){
		char t = S[i];
		if(t == key){
			x += 1;
		}
		else{
			x -= 1;
		}
		if(ans <x) ans=x;
		
	}
	cout << ans << endl;
}

Submission Info

Judge Result