답안 #921404

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
921404	2024-02-03T19:03:15 Z	TAhmed33	Group Photo (JOI21_ho_t3)	C++	5 / 100	5000 ms	348 KB

Main

#include <bits/stdc++.h>
using namespace std;
int main () {
	int n; cin >> n; int a[n + 1] = {}; for (int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	vector <int> x;
	for (int i = 1; i <= n; i++) x.push_back(i);
	int mn = 1e9;
	do {
		bool flag = 1;
		for (int i = 0; i + 1 < (int)x.size(); i++) {
			flag &= x[i] - x[i + 1] <= 1;
		}
		if (flag) {
			int pos[n + 1] = {}; for (int i = 0; i < n; i++) pos[x[i]] = i;
			int cnt = 0;
			for (int i = 1; i <= n; i++) {
				for (int j = i - 1; j >= 1; j--) {
					if (pos[a[i]] < pos[a[j]]) {
						cnt++;
					}
				}
			}
			mn = min(mn, cnt);
		}
	} while (next_permutation(x.begin(), x.end()));
	cout << mn << '\n';
}

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	4 ms	348 KB	Output is correct
8	Correct	4 ms	348 KB	Output is correct
9	Correct	4 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct

Subtask #2

0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	4 ms	348 KB	Output is correct
8	Correct	4 ms	348 KB	Output is correct
9	Correct	4 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Execution timed out	5009 ms	348 KB	Time limit exceeded
12	Halted	0 ms	0 KB	-

Subtask #3

0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	4 ms	348 KB	Output is correct
8	Correct	4 ms	348 KB	Output is correct
9	Correct	4 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Execution timed out	5009 ms	348 KB	Time limit exceeded
12	Halted	0 ms	0 KB	-

Subtask #4

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	4 ms	348 KB	Output is correct
8	Correct	4 ms	348 KB	Output is correct
9	Correct	4 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Execution timed out	5009 ms	348 KB	Time limit exceeded
12	Halted	0 ms	0 KB	-

Subtask #5

0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	4 ms	348 KB	Output is correct
8	Correct	4 ms	348 KB	Output is correct
9	Correct	4 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Execution timed out	5009 ms	348 KB	Time limit exceeded
12	Halted	0 ms	0 KB	-