Submission #961367

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
961367	2024-04-11T23:54:05 Z	TAhmed33	Netrpeljivost (COI23_netrpeljivost)	C++	59 / 100	1500 ms	79336 KB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n, a[2049][2049];
const ll inf = 1e18;
void chmin (ll &x, ll y) {
	if (x > y) x = y;
}
vector <vector <ll>> recurse (int l, int r) {
	if (l == r - 1) {
		vector <vector <ll>> dp(2, vector <ll> (2, inf));
		dp[0][1] = dp[1][0] = a[l][r];
		return dp;
	}
	int sze = r - l + 1; 
	vector <vector <ll>> dp(sze, vector <ll> (sze, inf));
	sze >>= 1;
	int mid = (l + r) >> 1;
	auto g = recurse(l, mid), h = recurse(1 + mid, r);
	for (int i = 0; i < sze; i++) {
		for (int j = 0; j < sze; j++) {
			ll mn = inf;
			for (int k = 0; k < sze; k++) {
				chmin(mn, g[i][k] + a[k + l][j + mid + 1]);
			}
			for (int k = 0; k < sze; k++) {
				chmin(dp[i][k + sze], mn + h[k][j]);
			}
		}	
	}
	sze <<= 1;
	for (int i = 0; i < (sze >> 1); i++) for (int j = (sze >> 1); j < sze; j++) dp[j][i] = dp[i][j];
	return dp;
}
signed main () {
	ios::sync_with_stdio(0); cin.tie(0);
	cin >> n;
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= n; j++) {
			cin >> a[i][j];
		}
	}
	if (n == 2) {
		cout << a[1][2] << '\n';
		return 0;
	}
	auto g = recurse(1, n / 2), h = recurse(n / 2 + 1, n);
	ll mn[n / 2 + 1][2];
	for (int i = 0; i <= n / 2; i++) {
		for (int j = 0; j < 2; j++) {
			mn[i][j] = inf;
		}
	}
	ll ans = inf;
	for (int i = 0; i < n / 2; i++) {
		for (int j = 0; j < n / 2; j++) {
			chmin(mn[i][0], g[i][j]);
			chmin(mn[i][1], h[i][j]);
		}
	}
	for (int i = 0; i < n / 2; i++) {
		for (int j = 0; j < n / 2; j++) {
			chmin(ans, mn[i][0] + mn[j][1] + a[i + 1][j + n / 2 + 1]);
		}
	}
	cout << ans << '\n';
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	392 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	1 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	388 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	600 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	352 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct

Subtask #2
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	392 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	1 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	388 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	600 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	352 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	3 ms	2672 KB	Output is correct
22	Correct	2 ms	2652 KB	Output is correct
23	Correct	3 ms	2764 KB	Output is correct
24	Correct	3 ms	2652 KB	Output is correct
25	Correct	1 ms	2616 KB	Output is correct
26	Correct	3 ms	2828 KB	Output is correct
27	Correct	4 ms	2648 KB	Output is correct
28	Correct	2 ms	2652 KB	Output is correct
29	Correct	2 ms	2656 KB	Output is correct
30	Correct	2 ms	2652 KB	Output is correct
31	Correct	3 ms	2652 KB	Output is correct
32	Correct	2 ms	2648 KB	Output is correct
33	Correct	2 ms	2652 KB	Output is correct
34	Correct	2 ms	2768 KB	Output is correct
35	Correct	2 ms	2652 KB	Output is correct
36	Correct	2 ms	2652 KB	Output is correct
37	Correct	3 ms	2656 KB	Output is correct
38	Correct	2 ms	2652 KB	Output is correct
39	Correct	2 ms	2656 KB	Output is correct
40	Correct	3 ms	2660 KB	Output is correct

Subtask #3
32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	392 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	1 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	388 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	600 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	352 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	3 ms	2672 KB	Output is correct
22	Correct	2 ms	2652 KB	Output is correct
23	Correct	3 ms	2764 KB	Output is correct
24	Correct	3 ms	2652 KB	Output is correct
25	Correct	1 ms	2616 KB	Output is correct
26	Correct	3 ms	2828 KB	Output is correct
27	Correct	4 ms	2648 KB	Output is correct
28	Correct	2 ms	2652 KB	Output is correct
29	Correct	2 ms	2656 KB	Output is correct
30	Correct	2 ms	2652 KB	Output is correct
31	Correct	3 ms	2652 KB	Output is correct
32	Correct	2 ms	2648 KB	Output is correct
33	Correct	2 ms	2652 KB	Output is correct
34	Correct	2 ms	2768 KB	Output is correct
35	Correct	2 ms	2652 KB	Output is correct
36	Correct	2 ms	2652 KB	Output is correct
37	Correct	3 ms	2656 KB	Output is correct
38	Correct	2 ms	2652 KB	Output is correct
39	Correct	2 ms	2656 KB	Output is correct
40	Correct	3 ms	2660 KB	Output is correct
41	Correct	39 ms	8472 KB	Output is correct
42	Correct	34 ms	8528 KB	Output is correct
43	Correct	35 ms	8528 KB	Output is correct
44	Correct	34 ms	8528 KB	Output is correct
45	Correct	40 ms	8584 KB	Output is correct
46	Correct	35 ms	8464 KB	Output is correct
47	Correct	36 ms	8528 KB	Output is correct
48	Correct	35 ms	8456 KB	Output is correct
49	Correct	37 ms	8332 KB	Output is correct
50	Correct	36 ms	8532 KB	Output is correct
51	Correct	39 ms	8528 KB	Output is correct
52	Correct	34 ms	8536 KB	Output is correct
53	Correct	33 ms	8600 KB	Output is correct
54	Correct	33 ms	8532 KB	Output is correct
55	Correct	33 ms	8532 KB	Output is correct
56	Correct	36 ms	8532 KB	Output is correct
57	Correct	37 ms	8660 KB	Output is correct
58	Correct	37 ms	8532 KB	Output is correct
59	Correct	37 ms	8532 KB	Output is correct
60	Correct	34 ms	8528 KB	Output is correct

Subtask #4
0 / 41.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	392 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	1 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	388 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	600 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	352 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	3 ms	2672 KB	Output is correct
22	Correct	2 ms	2652 KB	Output is correct
23	Correct	3 ms	2764 KB	Output is correct
24	Correct	3 ms	2652 KB	Output is correct
25	Correct	1 ms	2616 KB	Output is correct
26	Correct	3 ms	2828 KB	Output is correct
27	Correct	4 ms	2648 KB	Output is correct
28	Correct	2 ms	2652 KB	Output is correct
29	Correct	2 ms	2656 KB	Output is correct
30	Correct	2 ms	2652 KB	Output is correct
31	Correct	3 ms	2652 KB	Output is correct
32	Correct	2 ms	2648 KB	Output is correct
33	Correct	2 ms	2652 KB	Output is correct
34	Correct	2 ms	2768 KB	Output is correct
35	Correct	2 ms	2652 KB	Output is correct
36	Correct	2 ms	2652 KB	Output is correct
37	Correct	3 ms	2656 KB	Output is correct
38	Correct	2 ms	2652 KB	Output is correct
39	Correct	2 ms	2656 KB	Output is correct
40	Correct	3 ms	2660 KB	Output is correct
41	Correct	39 ms	8472 KB	Output is correct
42	Correct	34 ms	8528 KB	Output is correct
43	Correct	35 ms	8528 KB	Output is correct
44	Correct	34 ms	8528 KB	Output is correct
45	Correct	40 ms	8584 KB	Output is correct
46	Correct	35 ms	8464 KB	Output is correct
47	Correct	36 ms	8528 KB	Output is correct
48	Correct	35 ms	8456 KB	Output is correct
49	Correct	37 ms	8332 KB	Output is correct
50	Correct	36 ms	8532 KB	Output is correct
51	Correct	39 ms	8528 KB	Output is correct
52	Correct	34 ms	8536 KB	Output is correct
53	Correct	33 ms	8600 KB	Output is correct
54	Correct	33 ms	8532 KB	Output is correct
55	Correct	33 ms	8532 KB	Output is correct
56	Correct	36 ms	8532 KB	Output is correct
57	Correct	37 ms	8660 KB	Output is correct
58	Correct	37 ms	8532 KB	Output is correct
59	Correct	37 ms	8532 KB	Output is correct
60	Correct	34 ms	8528 KB	Output is correct
61	Correct	1439 ms	79336 KB	Output is correct
62	Execution timed out	1501 ms	79288 KB	Time limit exceeded
63	Halted	0 ms	0 KB	-

Submission #961367

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 17.0 / 17.0

Subtask #3 32.0 / 32.0

Subtask #4 0 / 41.0

Subtask #1
10.0 / 10.0

Subtask #2
17.0 / 17.0

Subtask #3
32.0 / 32.0

Subtask #4
0 / 41.0