Submission #547671

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
547671	2022-04-11T10:23:26 Z	amunduzbaev	Mountains and Valleys (CCO20_day1problem3)	C++17	3 / 25	1076 ms	164572 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] <= 2);
	cout<<res[0]<<"\n";
}

Subtask #1
1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	62 ms	164456 KB	Output is correct
2	Correct	62 ms	164364 KB	Output is correct
3	Correct	61 ms	164364 KB	Output is correct
4	Correct	61 ms	164428 KB	Output is correct
5	Correct	63 ms	164456 KB	Output is correct
6	Correct	69 ms	164424 KB	Output is correct
7	Correct	64 ms	164388 KB	Output is correct
8	Correct	61 ms	164444 KB	Output is correct
9	Correct	63 ms	164432 KB	Output is correct
10	Correct	60 ms	164436 KB	Output is correct
11	Correct	60 ms	164388 KB	Output is correct
12	Correct	62 ms	164396 KB	Output is correct
13	Correct	63 ms	164412 KB	Output is correct
14	Correct	61 ms	164564 KB	Output is correct
15	Correct	60 ms	164344 KB	Output is correct

Subtask #2
2.0 / 2.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	62 ms	164456 KB	Output is correct
2	Correct	62 ms	164364 KB	Output is correct
3	Correct	61 ms	164364 KB	Output is correct
4	Correct	61 ms	164428 KB	Output is correct
5	Correct	63 ms	164456 KB	Output is correct
6	Correct	69 ms	164424 KB	Output is correct
7	Correct	64 ms	164388 KB	Output is correct
8	Correct	61 ms	164444 KB	Output is correct
9	Correct	63 ms	164432 KB	Output is correct
10	Correct	60 ms	164436 KB	Output is correct
11	Correct	60 ms	164388 KB	Output is correct
12	Correct	62 ms	164396 KB	Output is correct
13	Correct	63 ms	164412 KB	Output is correct
14	Correct	61 ms	164564 KB	Output is correct
15	Correct	60 ms	164344 KB	Output is correct
16	Correct	62 ms	164356 KB	Output is correct
17	Correct	61 ms	164356 KB	Output is correct
18	Correct	62 ms	164428 KB	Output is correct
19	Correct	63 ms	164424 KB	Output is correct
20	Correct	82 ms	164428 KB	Output is correct
21	Correct	83 ms	164420 KB	Output is correct
22	Correct	1076 ms	164556 KB	Output is correct
23	Correct	511 ms	164460 KB	Output is correct
24	Correct	544 ms	164472 KB	Output is correct
25	Correct	285 ms	164556 KB	Output is correct
26	Correct	280 ms	164432 KB	Output is correct
27	Correct	897 ms	164528 KB	Output is correct
28	Correct	280 ms	164468 KB	Output is correct
29	Correct	278 ms	164472 KB	Output is correct
30	Correct	276 ms	164356 KB	Output is correct
31	Correct	281 ms	164572 KB	Output is correct
32	Correct	82 ms	164412 KB	Output is correct
33	Correct	61 ms	164472 KB	Output is correct
34	Correct	270 ms	164560 KB	Output is correct
35	Correct	274 ms	164464 KB	Output is correct

Subtask #3
0.0 / 2.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	4 ms	476 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	62 ms	164456 KB	Output is correct
2	Correct	62 ms	164364 KB	Output is correct
3	Correct	61 ms	164364 KB	Output is correct
4	Correct	61 ms	164428 KB	Output is correct
5	Correct	63 ms	164456 KB	Output is correct
6	Correct	69 ms	164424 KB	Output is correct
7	Correct	64 ms	164388 KB	Output is correct
8	Correct	61 ms	164444 KB	Output is correct
9	Correct	63 ms	164432 KB	Output is correct
10	Correct	60 ms	164436 KB	Output is correct
11	Correct	60 ms	164388 KB	Output is correct
12	Correct	62 ms	164396 KB	Output is correct
13	Correct	63 ms	164412 KB	Output is correct
14	Correct	61 ms	164564 KB	Output is correct
15	Correct	60 ms	164344 KB	Output is correct
16	Correct	62 ms	164356 KB	Output is correct
17	Correct	61 ms	164356 KB	Output is correct
18	Correct	62 ms	164428 KB	Output is correct
19	Correct	63 ms	164424 KB	Output is correct
20	Correct	82 ms	164428 KB	Output is correct
21	Correct	83 ms	164420 KB	Output is correct
22	Correct	1076 ms	164556 KB	Output is correct
23	Correct	511 ms	164460 KB	Output is correct
24	Correct	544 ms	164472 KB	Output is correct
25	Correct	285 ms	164556 KB	Output is correct
26	Correct	280 ms	164432 KB	Output is correct
27	Correct	897 ms	164528 KB	Output is correct
28	Correct	280 ms	164468 KB	Output is correct
29	Correct	278 ms	164472 KB	Output is correct
30	Correct	276 ms	164356 KB	Output is correct
31	Correct	281 ms	164572 KB	Output is correct
32	Correct	82 ms	164412 KB	Output is correct
33	Correct	61 ms	164472 KB	Output is correct
34	Correct	270 ms	164560 KB	Output is correct
35	Correct	274 ms	164464 KB	Output is correct
36	Runtime error	3 ms	460 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	62 ms	164456 KB	Output is correct
2	Correct	62 ms	164364 KB	Output is correct
3	Correct	61 ms	164364 KB	Output is correct
4	Correct	61 ms	164428 KB	Output is correct
5	Correct	63 ms	164456 KB	Output is correct
6	Correct	69 ms	164424 KB	Output is correct
7	Correct	64 ms	164388 KB	Output is correct
8	Correct	61 ms	164444 KB	Output is correct
9	Correct	63 ms	164432 KB	Output is correct
10	Correct	60 ms	164436 KB	Output is correct
11	Correct	60 ms	164388 KB	Output is correct
12	Correct	62 ms	164396 KB	Output is correct
13	Correct	63 ms	164412 KB	Output is correct
14	Correct	61 ms	164564 KB	Output is correct
15	Correct	60 ms	164344 KB	Output is correct
16	Correct	62 ms	164356 KB	Output is correct
17	Correct	61 ms	164356 KB	Output is correct
18	Correct	62 ms	164428 KB	Output is correct
19	Correct	63 ms	164424 KB	Output is correct
20	Correct	82 ms	164428 KB	Output is correct
21	Correct	83 ms	164420 KB	Output is correct
22	Correct	1076 ms	164556 KB	Output is correct
23	Correct	511 ms	164460 KB	Output is correct
24	Correct	544 ms	164472 KB	Output is correct
25	Correct	285 ms	164556 KB	Output is correct
26	Correct	280 ms	164432 KB	Output is correct
27	Correct	897 ms	164528 KB	Output is correct
28	Correct	280 ms	164468 KB	Output is correct
29	Correct	278 ms	164472 KB	Output is correct
30	Correct	276 ms	164356 KB	Output is correct
31	Correct	281 ms	164572 KB	Output is correct
32	Correct	82 ms	164412 KB	Output is correct
33	Correct	61 ms	164472 KB	Output is correct
34	Correct	270 ms	164560 KB	Output is correct
35	Correct	274 ms	164464 KB	Output is correct
36	Runtime error	3 ms	460 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	62 ms	164456 KB	Output is correct
2	Correct	62 ms	164364 KB	Output is correct
3	Correct	61 ms	164364 KB	Output is correct
4	Correct	61 ms	164428 KB	Output is correct
5	Correct	63 ms	164456 KB	Output is correct
6	Correct	69 ms	164424 KB	Output is correct
7	Correct	64 ms	164388 KB	Output is correct
8	Correct	61 ms	164444 KB	Output is correct
9	Correct	63 ms	164432 KB	Output is correct
10	Correct	60 ms	164436 KB	Output is correct
11	Correct	60 ms	164388 KB	Output is correct
12	Correct	62 ms	164396 KB	Output is correct
13	Correct	63 ms	164412 KB	Output is correct
14	Correct	61 ms	164564 KB	Output is correct
15	Correct	60 ms	164344 KB	Output is correct
16	Correct	62 ms	164356 KB	Output is correct
17	Correct	61 ms	164356 KB	Output is correct
18	Correct	62 ms	164428 KB	Output is correct
19	Correct	63 ms	164424 KB	Output is correct
20	Correct	82 ms	164428 KB	Output is correct
21	Correct	83 ms	164420 KB	Output is correct
22	Correct	1076 ms	164556 KB	Output is correct
23	Correct	511 ms	164460 KB	Output is correct
24	Correct	544 ms	164472 KB	Output is correct
25	Correct	285 ms	164556 KB	Output is correct
26	Correct	280 ms	164432 KB	Output is correct
27	Correct	897 ms	164528 KB	Output is correct
28	Correct	280 ms	164468 KB	Output is correct
29	Correct	278 ms	164472 KB	Output is correct
30	Correct	276 ms	164356 KB	Output is correct
31	Correct	281 ms	164572 KB	Output is correct
32	Correct	82 ms	164412 KB	Output is correct
33	Correct	61 ms	164472 KB	Output is correct
34	Correct	270 ms	164560 KB	Output is correct
35	Correct	274 ms	164464 KB	Output is correct
36	Runtime error	4 ms	476 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	62 ms	164456 KB	Output is correct
2	Correct	62 ms	164364 KB	Output is correct
3	Correct	61 ms	164364 KB	Output is correct
4	Correct	61 ms	164428 KB	Output is correct
5	Correct	63 ms	164456 KB	Output is correct
6	Correct	69 ms	164424 KB	Output is correct
7	Correct	64 ms	164388 KB	Output is correct
8	Correct	61 ms	164444 KB	Output is correct
9	Correct	63 ms	164432 KB	Output is correct
10	Correct	60 ms	164436 KB	Output is correct
11	Correct	60 ms	164388 KB	Output is correct
12	Correct	62 ms	164396 KB	Output is correct
13	Correct	63 ms	164412 KB	Output is correct
14	Correct	61 ms	164564 KB	Output is correct
15	Correct	60 ms	164344 KB	Output is correct
16	Correct	62 ms	164356 KB	Output is correct
17	Correct	61 ms	164356 KB	Output is correct
18	Correct	62 ms	164428 KB	Output is correct
19	Correct	63 ms	164424 KB	Output is correct
20	Correct	82 ms	164428 KB	Output is correct
21	Correct	83 ms	164420 KB	Output is correct
22	Correct	1076 ms	164556 KB	Output is correct
23	Correct	511 ms	164460 KB	Output is correct
24	Correct	544 ms	164472 KB	Output is correct
25	Correct	285 ms	164556 KB	Output is correct
26	Correct	280 ms	164432 KB	Output is correct
27	Correct	897 ms	164528 KB	Output is correct
28	Correct	280 ms	164468 KB	Output is correct
29	Correct	278 ms	164472 KB	Output is correct
30	Correct	276 ms	164356 KB	Output is correct
31	Correct	281 ms	164572 KB	Output is correct
32	Correct	82 ms	164412 KB	Output is correct
33	Correct	61 ms	164472 KB	Output is correct
34	Correct	270 ms	164560 KB	Output is correct
35	Correct	274 ms	164464 KB	Output is correct
36	Runtime error	4 ms	476 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	62 ms	164456 KB	Output is correct
2	Correct	62 ms	164364 KB	Output is correct
3	Correct	61 ms	164364 KB	Output is correct
4	Correct	61 ms	164428 KB	Output is correct
5	Correct	63 ms	164456 KB	Output is correct
6	Correct	69 ms	164424 KB	Output is correct
7	Correct	64 ms	164388 KB	Output is correct
8	Correct	61 ms	164444 KB	Output is correct
9	Correct	63 ms	164432 KB	Output is correct
10	Correct	60 ms	164436 KB	Output is correct
11	Correct	60 ms	164388 KB	Output is correct
12	Correct	62 ms	164396 KB	Output is correct
13	Correct	63 ms	164412 KB	Output is correct
14	Correct	61 ms	164564 KB	Output is correct
15	Correct	60 ms	164344 KB	Output is correct
16	Correct	62 ms	164356 KB	Output is correct
17	Correct	61 ms	164356 KB	Output is correct
18	Correct	62 ms	164428 KB	Output is correct
19	Correct	63 ms	164424 KB	Output is correct
20	Correct	82 ms	164428 KB	Output is correct
21	Correct	83 ms	164420 KB	Output is correct
22	Correct	1076 ms	164556 KB	Output is correct
23	Correct	511 ms	164460 KB	Output is correct
24	Correct	544 ms	164472 KB	Output is correct
25	Correct	285 ms	164556 KB	Output is correct
26	Correct	280 ms	164432 KB	Output is correct
27	Correct	897 ms	164528 KB	Output is correct
28	Correct	280 ms	164468 KB	Output is correct
29	Correct	278 ms	164472 KB	Output is correct
30	Correct	276 ms	164356 KB	Output is correct
31	Correct	281 ms	164572 KB	Output is correct
32	Correct	82 ms	164412 KB	Output is correct
33	Correct	61 ms	164472 KB	Output is correct
34	Correct	270 ms	164560 KB	Output is correct
35	Correct	274 ms	164464 KB	Output is correct
36	Runtime error	4 ms	476 KB	Execution killed with signal 11
37	Halted	0 ms	0 KB	-

Submission #547671

Compilation message