Submission #23,328

2026-01-19 16:44:53

cpp17

Accepted 40/40

4ms

564 KiB

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

int main(){
    int n;cin>>n;
    string s;cin>>s;
    int a=0,k=n/2,m=n/2,ans=0;
    for(int i=0;i<n;i++){
        if(s[i]=='A')a++;else k--;
        if(a<=k)ans=a*2;else break;
    }
    cout<<ans<<'\n';
}

	Sum	Test	Verdict		Time	Memory
base	40/40
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	4ms	564 KiB
		3	Accepted	2/2	1ms	316 KiB
		4	Accepted	2/2	1ms	316 KiB
		5	Accepted	2/2	1ms	316 KiB
		6	Accepted	2/2	1ms	316 KiB
		7	Accepted	2/2	1ms	316 KiB
		8	Accepted	3/3	1ms	316 KiB
		9	Accepted	3/3	1ms	316 KiB
		10	Accepted	3/3	1ms	316 KiB
		11	Accepted	3/3	2ms	496 KiB
		12	Accepted	3/3	2ms	508 KiB
		13	Accepted	3/3	3ms	500 KiB
		14	Accepted	3/3	3ms	428 KiB
		15	Accepted	3/3	4ms	564 KiB
		16	Accepted	3/3	4ms	368 KiB
		17	Accepted	3/3	4ms	564 KiB