Submission #3810296

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Source Code Expand

#include<iostream>
#include<string>

using namespace std;

int main(void)
{
	int n;
	cin >> n;
	string s;
	cin >> s;
	int x=0,maxi=0;
	for(int i=1;i<=n;i++)
	{
		if(s[i-1]=='I')
		{
			x++;
			maxi=max(maxi,x);
		}
		else
			x--;
	}
	cout << maxi << endl;
}

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