Submission #13,167

2025-01-06 19:56:45

cpp17

Accepted 75/75

4ms

616 KiB

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

int main()
{
    int n; cin >> n;
    string s; cin >> s;
    ll ans = 0;
    ll a = 0;
    ll t = 0;
    for(int i = 0; i < n; i++){
        if(s[i] == 'T') t++;
    }
    for(int i = 0; i < n; i++)
    {
        if(s[i] == 'A') a++;
        else if(s[i] == 'G'){
            ans += a * t;
            a = 0;
        }
        else if(s[i] == 'T') t--;
    }
    cout << ans << endl;
}

	Sum	Test	Verdict		Time	Memory
base	75/75
		1	Accepted	0/0	1ms	500 KiB
		2	Accepted	0/0	4ms	564 KiB
		3	Accepted	3/3	1ms	316 KiB
		4	Accepted	4/4	1ms	316 KiB
		5	Accepted	4/4	1ms	316 KiB
		6	Accepted	4/4	1ms	316 KiB
		7	Accepted	4/4	1ms	316 KiB
		8	Accepted	3/3	1ms	544 KiB
		9	Accepted	3/3	1ms	316 KiB
		10	Accepted	4/4	1ms	508 KiB
		11	Accepted	4/4	1ms	316 KiB
		12	Accepted	4/4	1ms	316 KiB
		13	Accepted	4/4	1ms	508 KiB
		14	Accepted	4/4	1ms	316 KiB
		15	Accepted	3/3	4ms	564 KiB
		16	Accepted	4/4	4ms	408 KiB
		17	Accepted	4/4	4ms	564 KiB
		18	Accepted	4/4	4ms	616 KiB
		19	Accepted	4/4	3ms	564 KiB
		20	Accepted	4/4	4ms	584 KiB
		21	Accepted	3/3	4ms	508 KiB
		22	Accepted	4/4	3ms	600 KiB