Submission #2232446


Source Code Expand

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

using ll = long long;

#define REP(i, n) for (int i = 0; i < (n); ++i)
#define SIZE(a) ((int)(a).size())

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);

	string s;
	cin >> s;
	ll cnt = 0;
	REP(i, SIZE(s)) {
		if (s[i] == 'U') {
			cnt += (SIZE(s)-i-1);
		} else {
			cnt += i;
		}
	}

	ll result = 2LL*SIZE(s)*(SIZE(s)-1)-cnt;

	cout << result << '\n';

	return 0;
}

Submission Info

Submission Time
Task B - Evilator
User vjudge4
Language C++14 (GCC 5.4.1)
Score 400
Code Size 423 Byte
Status AC
Exec Time 2 ms
Memory 512 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 2
AC × 12
Set Name Test Cases
Sample s1.txt, s2.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, s1.txt, s2.txt
Case Name Status Exec Time Memory
01.txt AC 2 ms 512 KB
02.txt AC 2 ms 512 KB
03.txt AC 2 ms 512 KB
04.txt AC 2 ms 512 KB
05.txt AC 2 ms 512 KB
06.txt AC 1 ms 512 KB
07.txt AC 1 ms 512 KB
08.txt AC 1 ms 512 KB
09.txt AC 1 ms 256 KB
10.txt AC 1 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB