Submission #547672

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
547672	2022-04-11T10:23:54 Z	amunduzbaev	Mountains and Valleys (CCO20_day1problem3)	C++17	3 / 25	1066 ms	164564 KB

Main

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

#define ar array
const int N = 20;
int d[N][N], cc[N][N];
ar<int, 2> dp[1<<N][N];

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, m; cin>>n>>m;
	memset(d, 63, sizeof d);
	for(int i=0;i<m;i++){
		int a, b, c; cin>>a>>b>>c;
		d[a][b] = d[b][a] = c;
		if(c>1) cc[a][b] = cc[b][a] = 1;
	}
	
	for(int k=0;k<n;k++){
		for(int i=0;i<n;i++){
			for(int j=0;j<n;j++){
				if(d[i][k] + d[k][j] < d[i][j]){
					d[i][j] = d[i][k] + d[k][j];
					cc[i][j] = cc[i][k] + cc[k][j];
				} else if(d[i][k] + d[k][j] == d[i][j]){
					cc[i][j] = min(cc[i][j], cc[i][k] + cc[k][j]);
				}
			}
		}
	}
	
	memset(dp, 63, sizeof dp);
	for(int i=0;i<n;i++) dp[1<<i][i] = {0, 0};
	for(int mask=0;mask<(1 << n);mask++){
		for(int j=0;j<n;j++){
			if(mask >> j & 1) continue;
			for(int k=0;k<n;k++){
				if(mask >> k & 1){
					dp[mask | (1 << j)][j] = min(dp[mask | (1 << j)][j], {dp[mask][k][0] + d[k][j], dp[mask][k][1] + cc[k][j]});
				}
			}
		}
	}
	const int inf = 2e9;
	ar<int, 2> res = {inf, inf};
	for(int i=0;i<n;i++){
		res = min(res, dp[(1 << n) - 1][i]);
	}
	assert(res[1] <= 1);
	cout<<res[0]<<"\n";
}

Subtask #1
1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	61 ms	164428 KB	Output is correct
2	Correct	62 ms	164428 KB	Output is correct
3	Correct	60 ms	164424 KB	Output is correct
4	Correct	62 ms	164404 KB	Output is correct
5	Correct	60 ms	164424 KB	Output is correct
6	Correct	61 ms	164380 KB	Output is correct
7	Correct	62 ms	164428 KB	Output is correct
8	Correct	63 ms	164440 KB	Output is correct
9	Correct	62 ms	164416 KB	Output is correct
10	Correct	61 ms	164556 KB	Output is correct
11	Correct	61 ms	164400 KB	Output is correct
12	Correct	62 ms	164444 KB	Output is correct
13	Correct	68 ms	164336 KB	Output is correct
14	Correct	62 ms	164452 KB	Output is correct
15	Correct	61 ms	164564 KB	Output is correct

Subtask #2
2.0 / 2.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	61 ms	164428 KB	Output is correct
2	Correct	62 ms	164428 KB	Output is correct
3	Correct	60 ms	164424 KB	Output is correct
4	Correct	62 ms	164404 KB	Output is correct
5	Correct	60 ms	164424 KB	Output is correct
6	Correct	61 ms	164380 KB	Output is correct
7	Correct	62 ms	164428 KB	Output is correct
8	Correct	63 ms	164440 KB	Output is correct
9	Correct	62 ms	164416 KB	Output is correct
10	Correct	61 ms	164556 KB	Output is correct
11	Correct	61 ms	164400 KB	Output is correct
12	Correct	62 ms	164444 KB	Output is correct
13	Correct	68 ms	164336 KB	Output is correct
14	Correct	62 ms	164452 KB	Output is correct
15	Correct	61 ms	164564 KB	Output is correct
16	Correct	62 ms	164428 KB	Output is correct
17	Correct	63 ms	164464 KB	Output is correct
18	Correct	62 ms	164372 KB	Output is correct
19	Correct	64 ms	164372 KB	Output is correct
20	Correct	81 ms	164552 KB	Output is correct
21	Correct	85 ms	164448 KB	Output is correct
22	Correct	1066 ms	164556 KB	Output is correct
23	Correct	508 ms	164456 KB	Output is correct
24	Correct	531 ms	164556 KB	Output is correct
25	Correct	279 ms	164528 KB	Output is correct
26	Correct	273 ms	164528 KB	Output is correct
27	Correct	886 ms	164460 KB	Output is correct
28	Correct	276 ms	164464 KB	Output is correct
29	Correct	277 ms	164428 KB	Output is correct
30	Correct	273 ms	164372 KB	Output is correct
31	Correct	281 ms	164428 KB	Output is correct
32	Correct	83 ms	164400 KB	Output is correct
33	Correct	64 ms	164436 KB	Output is correct
34	Correct	271 ms	164408 KB	Output is correct
35	Correct	273 ms	164460 KB	Output is correct

Subtask #3
0.0 / 2.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	3 ms	468 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #4
0.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	61 ms	164428 KB	Output is correct
2	Correct	62 ms	164428 KB	Output is correct
3	Correct	60 ms	164424 KB	Output is correct
4	Correct	62 ms	164404 KB	Output is correct
5	Correct	60 ms	164424 KB	Output is correct
6	Correct	61 ms	164380 KB	Output is correct
7	Correct	62 ms	164428 KB	Output is correct
8	Correct	63 ms	164440 KB	Output is correct
9	Correct	62 ms	164416 KB	Output is correct
10	Correct	61 ms	164556 KB	Output is correct
11	Correct	61 ms	164400 KB	Output is correct
12	Correct	62 ms	164444 KB	Output is correct
13	Correct	68 ms	164336 KB	Output is correct
14	Correct	62 ms	164452 KB	Output is correct
15	Correct	61 ms	164564 KB	Output is correct
16	Correct	62 ms	164428 KB	Output is correct
17	Correct	63 ms	164464 KB	Output is correct
18	Correct	62 ms	164372 KB	Output is correct
19	Correct	64 ms	164372 KB	Output is correct
20	Correct	81 ms	164552 KB	Output is correct
21	Correct	85 ms	164448 KB	Output is correct
22	Correct	1066 ms	164556 KB	Output is correct
23	Correct	508 ms	164456 KB	Output is correct
24	Correct	531 ms	164556 KB	Output is correct
25	Correct	279 ms	164528 KB	Output is correct
26	Correct	273 ms	164528 KB	Output is correct
27	Correct	886 ms	164460 KB	Output is correct
28	Correct	276 ms	164464 KB	Output is correct
29	Correct	277 ms	164428 KB	Output is correct
30	Correct	273 ms	164372 KB	Output is correct
31	Correct	281 ms	164428 KB	Output is correct
32	Correct	83 ms	164400 KB	Output is correct
33	Correct	64 ms	164436 KB	Output is correct
34	Correct	271 ms	164408 KB	Output is correct
35	Correct	273 ms	164460 KB	Output is correct
36	Runtime error	3 ms	468 KB	Execution killed with signal 11
37	Halted	0 ms	0 KB	-

Subtask #5
0.0 / 2.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	61 ms	164428 KB	Output is correct
2	Correct	62 ms	164428 KB	Output is correct
3	Correct	60 ms	164424 KB	Output is correct
4	Correct	62 ms	164404 KB	Output is correct
5	Correct	60 ms	164424 KB	Output is correct
6	Correct	61 ms	164380 KB	Output is correct
7	Correct	62 ms	164428 KB	Output is correct
8	Correct	63 ms	164440 KB	Output is correct
9	Correct	62 ms	164416 KB	Output is correct
10	Correct	61 ms	164556 KB	Output is correct
11	Correct	61 ms	164400 KB	Output is correct
12	Correct	62 ms	164444 KB	Output is correct
13	Correct	68 ms	164336 KB	Output is correct
14	Correct	62 ms	164452 KB	Output is correct
15	Correct	61 ms	164564 KB	Output is correct
16	Correct	62 ms	164428 KB	Output is correct
17	Correct	63 ms	164464 KB	Output is correct
18	Correct	62 ms	164372 KB	Output is correct
19	Correct	64 ms	164372 KB	Output is correct
20	Correct	81 ms	164552 KB	Output is correct
21	Correct	85 ms	164448 KB	Output is correct
22	Correct	1066 ms	164556 KB	Output is correct
23	Correct	508 ms	164456 KB	Output is correct
24	Correct	531 ms	164556 KB	Output is correct
25	Correct	279 ms	164528 KB	Output is correct
26	Correct	273 ms	164528 KB	Output is correct
27	Correct	886 ms	164460 KB	Output is correct
28	Correct	276 ms	164464 KB	Output is correct
29	Correct	277 ms	164428 KB	Output is correct
30	Correct	273 ms	164372 KB	Output is correct
31	Correct	281 ms	164428 KB	Output is correct
32	Correct	83 ms	164400 KB	Output is correct
33	Correct	64 ms	164436 KB	Output is correct
34	Correct	271 ms	164408 KB	Output is correct
35	Correct	273 ms	164460 KB	Output is correct
36	Runtime error	3 ms	468 KB	Execution killed with signal 11
37	Halted	0 ms	0 KB	-

Subtask #6
0.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	61 ms	164428 KB	Output is correct
2	Correct	62 ms	164428 KB	Output is correct
3	Correct	60 ms	164424 KB	Output is correct
4	Correct	62 ms	164404 KB	Output is correct
5	Correct	60 ms	164424 KB	Output is correct
6	Correct	61 ms	164380 KB	Output is correct
7	Correct	62 ms	164428 KB	Output is correct
8	Correct	63 ms	164440 KB	Output is correct
9	Correct	62 ms	164416 KB	Output is correct
10	Correct	61 ms	164556 KB	Output is correct
11	Correct	61 ms	164400 KB	Output is correct
12	Correct	62 ms	164444 KB	Output is correct
13	Correct	68 ms	164336 KB	Output is correct
14	Correct	62 ms	164452 KB	Output is correct
15	Correct	61 ms	164564 KB	Output is correct
16	Correct	62 ms	164428 KB	Output is correct
17	Correct	63 ms	164464 KB	Output is correct
18	Correct	62 ms	164372 KB	Output is correct
19	Correct	64 ms	164372 KB	Output is correct
20	Correct	81 ms	164552 KB	Output is correct
21	Correct	85 ms	164448 KB	Output is correct
22	Correct	1066 ms	164556 KB	Output is correct
23	Correct	508 ms	164456 KB	Output is correct
24	Correct	531 ms	164556 KB	Output is correct
25	Correct	279 ms	164528 KB	Output is correct
26	Correct	273 ms	164528 KB	Output is correct
27	Correct	886 ms	164460 KB	Output is correct
28	Correct	276 ms	164464 KB	Output is correct
29	Correct	277 ms	164428 KB	Output is correct
30	Correct	273 ms	164372 KB	Output is correct
31	Correct	281 ms	164428 KB	Output is correct
32	Correct	83 ms	164400 KB	Output is correct
33	Correct	64 ms	164436 KB	Output is correct
34	Correct	271 ms	164408 KB	Output is correct
35	Correct	273 ms	164460 KB	Output is correct
36	Runtime error	3 ms	468 KB	Execution killed with signal 11
37	Halted	0 ms	0 KB	-

Subtask #7
0.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	61 ms	164428 KB	Output is correct
2	Correct	62 ms	164428 KB	Output is correct
3	Correct	60 ms	164424 KB	Output is correct
4	Correct	62 ms	164404 KB	Output is correct
5	Correct	60 ms	164424 KB	Output is correct
6	Correct	61 ms	164380 KB	Output is correct
7	Correct	62 ms	164428 KB	Output is correct
8	Correct	63 ms	164440 KB	Output is correct
9	Correct	62 ms	164416 KB	Output is correct
10	Correct	61 ms	164556 KB	Output is correct
11	Correct	61 ms	164400 KB	Output is correct
12	Correct	62 ms	164444 KB	Output is correct
13	Correct	68 ms	164336 KB	Output is correct
14	Correct	62 ms	164452 KB	Output is correct
15	Correct	61 ms	164564 KB	Output is correct
16	Correct	62 ms	164428 KB	Output is correct
17	Correct	63 ms	164464 KB	Output is correct
18	Correct	62 ms	164372 KB	Output is correct
19	Correct	64 ms	164372 KB	Output is correct
20	Correct	81 ms	164552 KB	Output is correct
21	Correct	85 ms	164448 KB	Output is correct
22	Correct	1066 ms	164556 KB	Output is correct
23	Correct	508 ms	164456 KB	Output is correct
24	Correct	531 ms	164556 KB	Output is correct
25	Correct	279 ms	164528 KB	Output is correct
26	Correct	273 ms	164528 KB	Output is correct
27	Correct	886 ms	164460 KB	Output is correct
28	Correct	276 ms	164464 KB	Output is correct
29	Correct	277 ms	164428 KB	Output is correct
30	Correct	273 ms	164372 KB	Output is correct
31	Correct	281 ms	164428 KB	Output is correct
32	Correct	83 ms	164400 KB	Output is correct
33	Correct	64 ms	164436 KB	Output is correct
34	Correct	271 ms	164408 KB	Output is correct
35	Correct	273 ms	164460 KB	Output is correct
36	Runtime error	3 ms	468 KB	Execution killed with signal 11
37	Halted	0 ms	0 KB	-

Subtask #8
0.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	61 ms	164428 KB	Output is correct
2	Correct	62 ms	164428 KB	Output is correct
3	Correct	60 ms	164424 KB	Output is correct
4	Correct	62 ms	164404 KB	Output is correct
5	Correct	60 ms	164424 KB	Output is correct
6	Correct	61 ms	164380 KB	Output is correct
7	Correct	62 ms	164428 KB	Output is correct
8	Correct	63 ms	164440 KB	Output is correct
9	Correct	62 ms	164416 KB	Output is correct
10	Correct	61 ms	164556 KB	Output is correct
11	Correct	61 ms	164400 KB	Output is correct
12	Correct	62 ms	164444 KB	Output is correct
13	Correct	68 ms	164336 KB	Output is correct
14	Correct	62 ms	164452 KB	Output is correct
15	Correct	61 ms	164564 KB	Output is correct
16	Correct	62 ms	164428 KB	Output is correct
17	Correct	63 ms	164464 KB	Output is correct
18	Correct	62 ms	164372 KB	Output is correct
19	Correct	64 ms	164372 KB	Output is correct
20	Correct	81 ms	164552 KB	Output is correct
21	Correct	85 ms	164448 KB	Output is correct
22	Correct	1066 ms	164556 KB	Output is correct
23	Correct	508 ms	164456 KB	Output is correct
24	Correct	531 ms	164556 KB	Output is correct
25	Correct	279 ms	164528 KB	Output is correct
26	Correct	273 ms	164528 KB	Output is correct
27	Correct	886 ms	164460 KB	Output is correct
28	Correct	276 ms	164464 KB	Output is correct
29	Correct	277 ms	164428 KB	Output is correct
30	Correct	273 ms	164372 KB	Output is correct
31	Correct	281 ms	164428 KB	Output is correct
32	Correct	83 ms	164400 KB	Output is correct
33	Correct	64 ms	164436 KB	Output is correct
34	Correct	271 ms	164408 KB	Output is correct
35	Correct	273 ms	164460 KB	Output is correct
36	Runtime error	3 ms	468 KB	Execution killed with signal 11
37	Halted	0 ms	0 KB	-

Submission #547672

Compilation message