답안 #978995

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
978995	2024-05-10T05:40:06 Z	penguin133	Group Photo (JOI21_ho_t3)	C++17	64 / 100	5000 ms	117432 KB

Main

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

#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

int dp[5005], A[5005], pos[5005], P[5005][5005], n;

void solve(){
	cin >> n;
	for(int i = 1; i <= n; i++){
		cin >> A[i];
		pos[A[i]] = i;
	}
	for(int i = 1; i <= n; i++){
		for(int j = i + 1; j <= n; j++){
			if(pos[i] < pos[j])P[i][j]++;
			P[i][j] += P[i][j - 1];
		}
	}
	dp[0] = 0;
	for(int i = 1; i <= n; i++){
		dp[i] = 1e18;
		for(int j = i; j >= 1; j--){
			//arrange j..i in i..j
			int cnt = 0;
			for(int k = 1; k < j; k++){
				int tmp = P[k][i] - P[k][j - 1];
				cnt += (i - j + 1) - tmp;
			}
			for(int k = j; k <= i; k++){
				int tmp = P[k][i] - P[k][k];
				//cnt += i - k - tmp;
				cnt += tmp;
			}
			dp[i] = min(dp[i], cnt + dp[j - 1]);
		}
		//cout << dp[i] << ' ';
	}
	cout << dp[n];
	//cout << *min_element(dp[n] + 1, dp[n] + n + 1);
}

main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	//cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message

Main.cpp:51:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   51 | main(){
      | ^~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct

Subtask #3
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	3 ms	1372 KB	Output is correct
22	Correct	3 ms	1372 KB	Output is correct
23	Correct	3 ms	1372 KB	Output is correct
24	Correct	5 ms	1628 KB	Output is correct
25	Correct	3 ms	1372 KB	Output is correct
26	Correct	3 ms	1240 KB	Output is correct
27	Correct	4 ms	1372 KB	Output is correct
28	Correct	3 ms	1456 KB	Output is correct
29	Correct	3 ms	1372 KB	Output is correct
30	Correct	3 ms	1372 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	3 ms	1372 KB	Output is correct
22	Correct	3 ms	1372 KB	Output is correct
23	Correct	3 ms	1372 KB	Output is correct
24	Correct	5 ms	1628 KB	Output is correct
25	Correct	3 ms	1372 KB	Output is correct
26	Correct	3 ms	1240 KB	Output is correct
27	Correct	4 ms	1372 KB	Output is correct
28	Correct	3 ms	1456 KB	Output is correct
29	Correct	3 ms	1372 KB	Output is correct
30	Correct	3 ms	1372 KB	Output is correct
31	Correct	223 ms	6232 KB	Output is correct
32	Correct	221 ms	6236 KB	Output is correct
33	Correct	224 ms	6236 KB	Output is correct
34	Correct	225 ms	6236 KB	Output is correct
35	Correct	219 ms	6236 KB	Output is correct
36	Correct	226 ms	6236 KB	Output is correct
37	Correct	216 ms	6236 KB	Output is correct
38	Correct	220 ms	6232 KB	Output is correct
39	Correct	266 ms	6232 KB	Output is correct
40	Correct	223 ms	6236 KB	Output is correct

Subtask #5
0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	3 ms	1372 KB	Output is correct
22	Correct	3 ms	1372 KB	Output is correct
23	Correct	3 ms	1372 KB	Output is correct
24	Correct	5 ms	1628 KB	Output is correct
25	Correct	3 ms	1372 KB	Output is correct
26	Correct	3 ms	1240 KB	Output is correct
27	Correct	4 ms	1372 KB	Output is correct
28	Correct	3 ms	1456 KB	Output is correct
29	Correct	3 ms	1372 KB	Output is correct
30	Correct	3 ms	1372 KB	Output is correct
31	Correct	223 ms	6232 KB	Output is correct
32	Correct	221 ms	6236 KB	Output is correct
33	Correct	224 ms	6236 KB	Output is correct
34	Correct	225 ms	6236 KB	Output is correct
35	Correct	219 ms	6236 KB	Output is correct
36	Correct	226 ms	6236 KB	Output is correct
37	Correct	216 ms	6236 KB	Output is correct
38	Correct	220 ms	6232 KB	Output is correct
39	Correct	266 ms	6232 KB	Output is correct
40	Correct	223 ms	6236 KB	Output is correct
41	Execution timed out	5041 ms	117432 KB	Time limit exceeded
42	Halted	0 ms	0 KB	-

답안 #978995

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 32.0 / 32.0

Subtask #4 20.0 / 20.0

Subtask #5 0 / 36.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
32.0 / 32.0

Subtask #4
20.0 / 20.0

Subtask #5
0 / 36.0