Submission #19,288

19288

2025-12-03 17:50:54

cpp17

Accepted 75/75

4ms

592 KiB

// UUID: c8f60350-528a-4557-9b47-00b2e4bcc150
#include <bits/stdc++.h>
using namespace std;

int main() {
	int n; cin >> n;
	string s; cin >> s;
	int valid = 0;
	int invalid = 0;
	long long out = 0;
	for (int i = 0; i < n; i++) {
		if (s[i] == 'A') {
			invalid++;
		}
		if (s[i] == 'G') {
			valid += invalid;
			invalid = 0;
		}
		if (s[i] == 'T') {
			out += valid;
		}
	}
	cout << out;
}

	Sum	Test	Verdict		Time	Memory
base	75/75
		1	Accepted	0/0	1ms	316 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	316 KiB
		9	Accepted	3/3	1ms	500 KiB
		10	Accepted	4/4	1ms	316 KiB
		11	Accepted	4/4	1ms	316 KiB
		12	Accepted	4/4	1ms	316 KiB
		13	Accepted	4/4	1ms	316 KiB
		14	Accepted	4/4	1ms	316 KiB
		15	Accepted	3/3	4ms	592 KiB
		16	Accepted	4/4	4ms	564 KiB
		17	Accepted	4/4	4ms	564 KiB
		18	Accepted	4/4	4ms	564 KiB
		19	Accepted	4/4	4ms	500 KiB
		20	Accepted	4/4	4ms	564 KiB
		21	Accepted	3/3	4ms	424 KiB
		22	Accepted	4/4	3ms	564 KiB