답안 #525344

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
525344	2022-02-11T11:35:53 Z	79brue	Mountains and Valleys (CCO20_day1problem3)	C++14	3 / 25	7000 ms	82348 KB

Main

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n, m;
int dist[22][22];

int DP[1048576][20];

int main(){
    scanf("%d %d", &n, &m);
    for(int i=0; i<=n; i++){
        for(int j=0; j<=n; j++){
            dist[i][j] = 1e9;
        }
    }

    for(int i=1; i<=m; i++){
        int x, y, c;
        scanf("%d %d %d", &x, &y, &c);
        dist[x][y] = dist[y][x] = c;
    }

    for(int k=0; k<n; k++){
        for(int i=0; i<n; i++){
            for(int j=0; j<n; j++){
                dist[i][j] = min(dist[i][j], dist[i][k] + dist[k][j]);
            }
        }
    }

    for(int i=0; i<(1<<n); i++) for(int j=0; j<=n; j++) DP[i][j] = 1e9;
    for(int i=0; i<n; i++) DP[(1<<i)][i] = 0;

    for(int d=1; d<(1<<n); d++){
        for(int i=0; i<n; i++){
            if((d>>i)&1){
//                printf("%d %d: %d\n", d, i, DP[d][i]);
                for(int j=0; j<n; j++){
                    DP[(d|(1<<j))][j] = min(DP[(d|(1<<j))][j], DP[d][i] + dist[i][j]);
                }
            }
        }
    }

    int ans = 1e9;
    for(int i=0; i<n; i++) ans = min(ans, DP[(1<<n)-1][i]);

    printf("%d", ans);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:22:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         scanf("%d %d %d", &x, &y, &c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1

1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct

Subtask #2

2.0 / 2.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	9 ms	2764 KB	Output is correct
21	Correct	10 ms	2764 KB	Output is correct
22	Correct	448 ms	82348 KB	Output is correct
23	Correct	197 ms	41292 KB	Output is correct
24	Correct	212 ms	41316 KB	Output is correct
25	Correct	99 ms	20812 KB	Output is correct
26	Correct	92 ms	20796 KB	Output is correct
27	Correct	493 ms	82348 KB	Output is correct
28	Correct	106 ms	20764 KB	Output is correct
29	Correct	91 ms	20812 KB	Output is correct
30	Correct	95 ms	20828 KB	Output is correct
31	Correct	105 ms	20812 KB	Output is correct
32	Correct	8 ms	2764 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	92 ms	20804 KB	Output is correct
35	Correct	92 ms	20808 KB	Output is correct

Subtask #3

0.0 / 2.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	2 ms	332 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #4

0.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	9 ms	2764 KB	Output is correct
21	Correct	10 ms	2764 KB	Output is correct
22	Correct	448 ms	82348 KB	Output is correct
23	Correct	197 ms	41292 KB	Output is correct
24	Correct	212 ms	41316 KB	Output is correct
25	Correct	99 ms	20812 KB	Output is correct
26	Correct	92 ms	20796 KB	Output is correct
27	Correct	493 ms	82348 KB	Output is correct
28	Correct	106 ms	20764 KB	Output is correct
29	Correct	91 ms	20812 KB	Output is correct
30	Correct	95 ms	20828 KB	Output is correct
31	Correct	105 ms	20812 KB	Output is correct
32	Correct	8 ms	2764 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	92 ms	20804 KB	Output is correct
35	Correct	92 ms	20808 KB	Output is correct
36	Execution timed out	7005 ms	204 KB	Time limit exceeded
37	Halted	0 ms	0 KB	-

Subtask #5

0.0 / 2.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	9 ms	2764 KB	Output is correct
21	Correct	10 ms	2764 KB	Output is correct
22	Correct	448 ms	82348 KB	Output is correct
23	Correct	197 ms	41292 KB	Output is correct
24	Correct	212 ms	41316 KB	Output is correct
25	Correct	99 ms	20812 KB	Output is correct
26	Correct	92 ms	20796 KB	Output is correct
27	Correct	493 ms	82348 KB	Output is correct
28	Correct	106 ms	20764 KB	Output is correct
29	Correct	91 ms	20812 KB	Output is correct
30	Correct	95 ms	20828 KB	Output is correct
31	Correct	105 ms	20812 KB	Output is correct
32	Correct	8 ms	2764 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	92 ms	20804 KB	Output is correct
35	Correct	92 ms	20808 KB	Output is correct
36	Execution timed out	7005 ms	204 KB	Time limit exceeded
37	Halted	0 ms	0 KB	-

Subtask #6

0.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	9 ms	2764 KB	Output is correct
21	Correct	10 ms	2764 KB	Output is correct
22	Correct	448 ms	82348 KB	Output is correct
23	Correct	197 ms	41292 KB	Output is correct
24	Correct	212 ms	41316 KB	Output is correct
25	Correct	99 ms	20812 KB	Output is correct
26	Correct	92 ms	20796 KB	Output is correct
27	Correct	493 ms	82348 KB	Output is correct
28	Correct	106 ms	20764 KB	Output is correct
29	Correct	91 ms	20812 KB	Output is correct
30	Correct	95 ms	20828 KB	Output is correct
31	Correct	105 ms	20812 KB	Output is correct
32	Correct	8 ms	2764 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	92 ms	20804 KB	Output is correct
35	Correct	92 ms	20808 KB	Output is correct
36	Runtime error	2 ms	332 KB	Execution killed with signal 11
37	Halted	0 ms	0 KB	-

Subtask #7

0.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	9 ms	2764 KB	Output is correct
21	Correct	10 ms	2764 KB	Output is correct
22	Correct	448 ms	82348 KB	Output is correct
23	Correct	197 ms	41292 KB	Output is correct
24	Correct	212 ms	41316 KB	Output is correct
25	Correct	99 ms	20812 KB	Output is correct
26	Correct	92 ms	20796 KB	Output is correct
27	Correct	493 ms	82348 KB	Output is correct
28	Correct	106 ms	20764 KB	Output is correct
29	Correct	91 ms	20812 KB	Output is correct
30	Correct	95 ms	20828 KB	Output is correct
31	Correct	105 ms	20812 KB	Output is correct
32	Correct	8 ms	2764 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	92 ms	20804 KB	Output is correct
35	Correct	92 ms	20808 KB	Output is correct
36	Runtime error	2 ms	332 KB	Execution killed with signal 11
37	Halted	0 ms	0 KB	-

Subtask #8

0.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	9 ms	2764 KB	Output is correct
21	Correct	10 ms	2764 KB	Output is correct
22	Correct	448 ms	82348 KB	Output is correct
23	Correct	197 ms	41292 KB	Output is correct
24	Correct	212 ms	41316 KB	Output is correct
25	Correct	99 ms	20812 KB	Output is correct
26	Correct	92 ms	20796 KB	Output is correct
27	Correct	493 ms	82348 KB	Output is correct
28	Correct	106 ms	20764 KB	Output is correct
29	Correct	91 ms	20812 KB	Output is correct
30	Correct	95 ms	20828 KB	Output is correct
31	Correct	105 ms	20812 KB	Output is correct
32	Correct	8 ms	2764 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	92 ms	20804 KB	Output is correct
35	Correct	92 ms	20808 KB	Output is correct
36	Runtime error	2 ms	332 KB	Execution killed with signal 11
37	Halted	0 ms	0 KB	-