Submission #19,648

19648

2025-12-17 18:18:23

cpp17

Accepted 75/75

8ms

684 KiB

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

int main()
{
    ll n; cin >> n;
    vector<char> v(n);
    for (ll i = 0; i < n; i++){
        cin >> v[i];
    }
    ll a = 0, g = 0, t = 0;
    for (ll i = 0; i < n; i++){
        if (v[i] == 'A') a++;
        else if (v[i] == 'G'){
            g = a;
        }
        else if (v[i] == 'T'){
            t += g;
        }
        //cout << a << " " << g << " " << t << "\n";
    }
    cout << t;
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	75/75
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	8ms	512 KiB
		3	Accepted	3/3	1ms	316 KiB
		4	Accepted	4/4	1ms	500 KiB
		5	Accepted	4/4	1ms	356 KiB
		6	Accepted	4/4	1ms	316 KiB
		7	Accepted	4/4	1ms	316 KiB
		8	Accepted	3/3	1ms	316 KiB
		9	Accepted	3/3	1ms	316 KiB
		10	Accepted	4/4	1ms	396 KiB
		11	Accepted	4/4	1ms	380 KiB
		12	Accepted	4/4	1ms	524 KiB
		13	Accepted	4/4	1ms	316 KiB
		14	Accepted	4/4	1ms	364 KiB
		15	Accepted	3/3	8ms	508 KiB
		16	Accepted	4/4	8ms	492 KiB
		17	Accepted	4/4	8ms	512 KiB
		18	Accepted	4/4	7ms	684 KiB
		19	Accepted	4/4	8ms	316 KiB
		20	Accepted	4/4	8ms	496 KiB
		21	Accepted	3/3	7ms	316 KiB
		22	Accepted	4/4	7ms	316 KiB