답안 #791625

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
791625	2023-07-24T08:11:51 Z	반딧불(#10046)	Netrpeljivost (COI23_netrpeljivost)	C++17	59 / 100	1500 ms	99940 KB

Main

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
const ll INF = 1e18;

int n;
ll arr[2050][2050];
ll DP[2050][2050];
ll mid[2050][2050];
ll ans;

void dfs(int l, int r){
    if(r-l==1){
        DP[l][r] = DP[r][l] = arr[l][r];
        return;
    }
    int m = (l+r)>>1;
    dfs(l, m);
    dfs(m+1, r);

    int m1 = (l+m)/2;
    for(int i=l; i<=m; i++) for(int j=l; j<=m; j++) for(int k=m+1; k<=r; k++){
        if((i<=m1) == (j<=m1)) continue;
        mid[i][k] = min(mid[i][k], DP[i][j] + arr[j][k]);
    }
    int m2 = (m+1+r)/2;
    for(int i=l; i<=m; i++) for(int j=m+1; j<=r; j++) for(int k=m+1; k<=r; k++){
        if((j<=m2) == (k<=m2)) continue;
        DP[k][i] = DP[i][k] = min(DP[i][k], mid[i][j] + DP[j][k]);
    }
}

int main(){
    scanf("%d", &n);
    for(int i=1; i<=n; i++){
        for(int j=1; j<=n; j++){
            scanf("%lld", &arr[i][j]);
            DP[i][j] = mid[i][j] = INF;
        }
    }
    dfs(1, n);
    ans = INF;
    for(int i=1; i<=n/2; i++) for(int j=n/2+1; j<=n; j++) ans = min(ans, DP[i][j]);
    printf("%lld", ans);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:36:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
Main.cpp:39:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |             scanf("%lld", &arr[i][j]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

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

Subtask #2
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	0 ms	468 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	0 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	0 ms	468 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	0 ms	468 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	0 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Correct	0 ms	468 KB	Output is correct
15	Correct	1 ms	468 KB	Output is correct
16	Correct	1 ms	468 KB	Output is correct
17	Correct	0 ms	468 KB	Output is correct
18	Correct	0 ms	468 KB	Output is correct
19	Correct	1 ms	468 KB	Output is correct
20	Correct	1 ms	468 KB	Output is correct
21	Correct	5 ms	2228 KB	Output is correct
22	Correct	4 ms	2196 KB	Output is correct
23	Correct	4 ms	2260 KB	Output is correct
24	Correct	2 ms	980 KB	Output is correct
25	Correct	1 ms	980 KB	Output is correct
26	Correct	3 ms	2260 KB	Output is correct
27	Correct	3 ms	2172 KB	Output is correct
28	Correct	3 ms	2260 KB	Output is correct
29	Correct	3 ms	2260 KB	Output is correct
30	Correct	5 ms	2132 KB	Output is correct
31	Correct	3 ms	2260 KB	Output is correct
32	Correct	3 ms	2172 KB	Output is correct
33	Correct	3 ms	2260 KB	Output is correct
34	Correct	3 ms	2236 KB	Output is correct
35	Correct	3 ms	2260 KB	Output is correct
36	Correct	3 ms	2260 KB	Output is correct
37	Correct	3 ms	2232 KB	Output is correct
38	Correct	3 ms	2132 KB	Output is correct
39	Correct	3 ms	2132 KB	Output is correct
40	Correct	3 ms	2200 KB	Output is correct

Subtask #3
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	0 ms	468 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	0 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	0 ms	468 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	0 ms	468 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	0 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Correct	0 ms	468 KB	Output is correct
15	Correct	1 ms	468 KB	Output is correct
16	Correct	1 ms	468 KB	Output is correct
17	Correct	0 ms	468 KB	Output is correct
18	Correct	0 ms	468 KB	Output is correct
19	Correct	1 ms	468 KB	Output is correct
20	Correct	1 ms	468 KB	Output is correct
21	Correct	5 ms	2228 KB	Output is correct
22	Correct	4 ms	2196 KB	Output is correct
23	Correct	4 ms	2260 KB	Output is correct
24	Correct	2 ms	980 KB	Output is correct
25	Correct	1 ms	980 KB	Output is correct
26	Correct	3 ms	2260 KB	Output is correct
27	Correct	3 ms	2172 KB	Output is correct
28	Correct	3 ms	2260 KB	Output is correct
29	Correct	3 ms	2260 KB	Output is correct
30	Correct	5 ms	2132 KB	Output is correct
31	Correct	3 ms	2260 KB	Output is correct
32	Correct	3 ms	2172 KB	Output is correct
33	Correct	3 ms	2260 KB	Output is correct
34	Correct	3 ms	2236 KB	Output is correct
35	Correct	3 ms	2260 KB	Output is correct
36	Correct	3 ms	2260 KB	Output is correct
37	Correct	3 ms	2232 KB	Output is correct
38	Correct	3 ms	2132 KB	Output is correct
39	Correct	3 ms	2132 KB	Output is correct
40	Correct	3 ms	2200 KB	Output is correct
41	Correct	64 ms	12620 KB	Output is correct
42	Correct	65 ms	12636 KB	Output is correct
43	Correct	68 ms	12632 KB	Output is correct
44	Correct	68 ms	12632 KB	Output is correct
45	Correct	63 ms	12632 KB	Output is correct
46	Correct	65 ms	12540 KB	Output is correct
47	Correct	64 ms	12636 KB	Output is correct
48	Correct	69 ms	12632 KB	Output is correct
49	Correct	68 ms	12576 KB	Output is correct
50	Correct	64 ms	12620 KB	Output is correct
51	Correct	65 ms	12624 KB	Output is correct
52	Correct	66 ms	12632 KB	Output is correct
53	Correct	63 ms	12624 KB	Output is correct
54	Correct	74 ms	12632 KB	Output is correct
55	Correct	67 ms	12524 KB	Output is correct
56	Correct	80 ms	13960 KB	Output is correct
57	Correct	63 ms	13940 KB	Output is correct
58	Correct	67 ms	13984 KB	Output is correct
59	Correct	78 ms	14160 KB	Output is correct
60	Correct	67 ms	14072 KB	Output is correct

Subtask #4
0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	0 ms	468 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	0 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	0 ms	468 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	0 ms	468 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	0 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Correct	0 ms	468 KB	Output is correct
15	Correct	1 ms	468 KB	Output is correct
16	Correct	1 ms	468 KB	Output is correct
17	Correct	0 ms	468 KB	Output is correct
18	Correct	0 ms	468 KB	Output is correct
19	Correct	1 ms	468 KB	Output is correct
20	Correct	1 ms	468 KB	Output is correct
21	Correct	5 ms	2228 KB	Output is correct
22	Correct	4 ms	2196 KB	Output is correct
23	Correct	4 ms	2260 KB	Output is correct
24	Correct	2 ms	980 KB	Output is correct
25	Correct	1 ms	980 KB	Output is correct
26	Correct	3 ms	2260 KB	Output is correct
27	Correct	3 ms	2172 KB	Output is correct
28	Correct	3 ms	2260 KB	Output is correct
29	Correct	3 ms	2260 KB	Output is correct
30	Correct	5 ms	2132 KB	Output is correct
31	Correct	3 ms	2260 KB	Output is correct
32	Correct	3 ms	2172 KB	Output is correct
33	Correct	3 ms	2260 KB	Output is correct
34	Correct	3 ms	2236 KB	Output is correct
35	Correct	3 ms	2260 KB	Output is correct
36	Correct	3 ms	2260 KB	Output is correct
37	Correct	3 ms	2232 KB	Output is correct
38	Correct	3 ms	2132 KB	Output is correct
39	Correct	3 ms	2132 KB	Output is correct
40	Correct	3 ms	2200 KB	Output is correct
41	Correct	64 ms	12620 KB	Output is correct
42	Correct	65 ms	12636 KB	Output is correct
43	Correct	68 ms	12632 KB	Output is correct
44	Correct	68 ms	12632 KB	Output is correct
45	Correct	63 ms	12632 KB	Output is correct
46	Correct	65 ms	12540 KB	Output is correct
47	Correct	64 ms	12636 KB	Output is correct
48	Correct	69 ms	12632 KB	Output is correct
49	Correct	68 ms	12576 KB	Output is correct
50	Correct	64 ms	12620 KB	Output is correct
51	Correct	65 ms	12624 KB	Output is correct
52	Correct	66 ms	12632 KB	Output is correct
53	Correct	63 ms	12624 KB	Output is correct
54	Correct	74 ms	12632 KB	Output is correct
55	Correct	67 ms	12524 KB	Output is correct
56	Correct	80 ms	13960 KB	Output is correct
57	Correct	63 ms	13940 KB	Output is correct
58	Correct	67 ms	13984 KB	Output is correct
59	Correct	78 ms	14160 KB	Output is correct
60	Correct	67 ms	14072 KB	Output is correct
61	Execution timed out	1585 ms	99940 KB	Time limit exceeded
62	Halted	0 ms	0 KB	-

답안 #791625

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