답안 #529521

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
529521	2022-02-23T05:58:30 Z	abc864197532	Group Photo (JOI21_ho_t3)	C++17	44 / 100	5000 ms	3120 KB

Main

#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define pb push_back
#define eb emplace_back
#define pii pair<int,int>
#define X first
#define Y second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
void abc() {cout << endl;}
template <typename T, typename ...U> void abc(T i, U ...j) {
	cout << i << ' ', abc(j...);
}
template <typename T> void printv(T l, T r) {
	for (; l != r; ++l) cout << *l << " \n"[l + 1 == r];
}
#ifdef Doludu
#define test(x...) abc("[" + string(#x) + "]", x)
#define owo freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#else
#define test(x...) void(0)
#define owo ios::sync_with_stdio(false), cin.tie(0)
#endif
const int N = 200000;

int main () {
	owo;
	int n;
	cin >> n;
	vector <int> p(n);
	for (int i = 0; i < n; ++i)
		cin >> p[i], --p[i];
	vector <int> dp(n + 1, 1 << 30);
	vector <vector <int>> cost(n + 1, vector <int> (n + 1, 0));
	for (int r = 1; r <= n; ++r) {
		vector <int> ord;
		for (int i = 0; i < n; ++i) if (p[i] < r)
			ord.pb(p[i]);
		for (int l = r - 1; ~l; --l) {
			vector <int> v = ord;
			int res = 0;
			for (int i = l; i < r; ++i) {
				int pos = find(all(v), i) - v.begin();
				res += int(v.size()) - pos - 1;
				v.erase(v.begin() + pos);
			}
			cost[l][r] = res;
		}
	}
	dp[0] = 0;
	for (int i = 1; i <= n; ++i) {
		for (int j = 0; j < i; ++j) {
			// max at postion j
			dp[i] = min(dp[i], dp[j] + cost[j][i]);
		}
	}
	cout << dp[n] << endl;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	316 KB	Output is correct
2	Correct	0 ms	312 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	316 KB	Output is correct
2	Correct	0 ms	312 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	312 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	316 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct

Subtask #3
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	316 KB	Output is correct
2	Correct	0 ms	312 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	312 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	316 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	53 ms	484 KB	Output is correct
22	Correct	50 ms	476 KB	Output is correct
23	Correct	50 ms	484 KB	Output is correct
24	Correct	55 ms	600 KB	Output is correct
25	Correct	50 ms	488 KB	Output is correct
26	Correct	50 ms	480 KB	Output is correct
27	Correct	50 ms	460 KB	Output is correct
28	Correct	52 ms	484 KB	Output is correct
29	Correct	53 ms	492 KB	Output is correct
30	Correct	52 ms	460 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	316 KB	Output is correct
2	Correct	0 ms	312 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	312 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	316 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	53 ms	484 KB	Output is correct
22	Correct	50 ms	476 KB	Output is correct
23	Correct	50 ms	484 KB	Output is correct
24	Correct	55 ms	600 KB	Output is correct
25	Correct	50 ms	488 KB	Output is correct
26	Correct	50 ms	480 KB	Output is correct
27	Correct	50 ms	460 KB	Output is correct
28	Correct	52 ms	484 KB	Output is correct
29	Correct	53 ms	492 KB	Output is correct
30	Correct	52 ms	460 KB	Output is correct
31	Execution timed out	5041 ms	3120 KB	Time limit exceeded
32	Halted	0 ms	0 KB	-

Subtask #5
0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	316 KB	Output is correct
2	Correct	0 ms	312 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	312 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	316 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	53 ms	484 KB	Output is correct
22	Correct	50 ms	476 KB	Output is correct
23	Correct	50 ms	484 KB	Output is correct
24	Correct	55 ms	600 KB	Output is correct
25	Correct	50 ms	488 KB	Output is correct
26	Correct	50 ms	480 KB	Output is correct
27	Correct	50 ms	460 KB	Output is correct
28	Correct	52 ms	484 KB	Output is correct
29	Correct	53 ms	492 KB	Output is correct
30	Correct	52 ms	460 KB	Output is correct
31	Execution timed out	5041 ms	3120 KB	Time limit exceeded
32	Halted	0 ms	0 KB	-

답안 #529521

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 32.0 / 32.0

Subtask #4 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
0 / 20.0

Subtask #5
0 / 36.0