Submission #1573075

---

Source Code Expand

#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<string>
#include<algorithm>
#include<cmath>
#include<queue>
#include<vector>
#include<stack>
using namespace std;

#define REP(i,n) for(int i=0;(i)<(n);(i)++)
#define ll long long

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

	int ans = 0;
	int sum = 0;
	for (int i = 0;i < N;i++) {
		if (s[i] == 'I') {
			sum++;
		}
		else {
			sum--;
		}

		ans = max(ans, sum);
	}

	

	cout << ans << endl;
	return 0;
}

Submission Info

Judge Result