Submission #547751

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
547751	2022-04-11T15:13:01 Z	amunduzbaev	Mountains and Valleys (CCO20_day1problem3)	C++17	3 / 25	1170 ms	164580 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	75 ms	164460 KB	Output is correct
2	Correct	70 ms	164432 KB	Output is correct
3	Correct	64 ms	164388 KB	Output is correct
4	Correct	67 ms	164560 KB	Output is correct
5	Correct	65 ms	164360 KB	Output is correct
6	Correct	69 ms	164360 KB	Output is correct
7	Correct	63 ms	164392 KB	Output is correct
8	Correct	71 ms	164444 KB	Output is correct
9	Correct	65 ms	164432 KB	Output is correct
10	Correct	70 ms	164460 KB	Output is correct
11	Correct	74 ms	164440 KB	Output is correct
12	Correct	67 ms	164428 KB	Output is correct
13	Correct	70 ms	164380 KB	Output is correct
14	Correct	67 ms	164524 KB	Output is correct
15	Correct	63 ms	164356 KB	Output is correct

Subtask #2
2.0 / 2.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	75 ms	164460 KB	Output is correct
2	Correct	70 ms	164432 KB	Output is correct
3	Correct	64 ms	164388 KB	Output is correct
4	Correct	67 ms	164560 KB	Output is correct
5	Correct	65 ms	164360 KB	Output is correct
6	Correct	69 ms	164360 KB	Output is correct
7	Correct	63 ms	164392 KB	Output is correct
8	Correct	71 ms	164444 KB	Output is correct
9	Correct	65 ms	164432 KB	Output is correct
10	Correct	70 ms	164460 KB	Output is correct
11	Correct	74 ms	164440 KB	Output is correct
12	Correct	67 ms	164428 KB	Output is correct
13	Correct	70 ms	164380 KB	Output is correct
14	Correct	67 ms	164524 KB	Output is correct
15	Correct	63 ms	164356 KB	Output is correct
16	Correct	72 ms	164352 KB	Output is correct
17	Correct	69 ms	164376 KB	Output is correct
18	Correct	64 ms	164348 KB	Output is correct
19	Correct	73 ms	164380 KB	Output is correct
20	Correct	82 ms	164356 KB	Output is correct
21	Correct	86 ms	164540 KB	Output is correct
22	Correct	1170 ms	164460 KB	Output is correct
23	Correct	559 ms	164460 KB	Output is correct
24	Correct	579 ms	164580 KB	Output is correct
25	Correct	304 ms	164464 KB	Output is correct
26	Correct	299 ms	164364 KB	Output is correct
27	Correct	956 ms	164500 KB	Output is correct
28	Correct	303 ms	164464 KB	Output is correct
29	Correct	295 ms	164460 KB	Output is correct
30	Correct	287 ms	164428 KB	Output is correct
31	Correct	321 ms	164464 KB	Output is correct
32	Correct	92 ms	164384 KB	Output is correct
33	Correct	72 ms	164344 KB	Output is correct
34	Correct	331 ms	164464 KB	Output is correct
35	Correct	307 ms	164556 KB	Output is correct

Subtask #3
0.0 / 2.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	4 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	75 ms	164460 KB	Output is correct
2	Correct	70 ms	164432 KB	Output is correct
3	Correct	64 ms	164388 KB	Output is correct
4	Correct	67 ms	164560 KB	Output is correct
5	Correct	65 ms	164360 KB	Output is correct
6	Correct	69 ms	164360 KB	Output is correct
7	Correct	63 ms	164392 KB	Output is correct
8	Correct	71 ms	164444 KB	Output is correct
9	Correct	65 ms	164432 KB	Output is correct
10	Correct	70 ms	164460 KB	Output is correct
11	Correct	74 ms	164440 KB	Output is correct
12	Correct	67 ms	164428 KB	Output is correct
13	Correct	70 ms	164380 KB	Output is correct
14	Correct	67 ms	164524 KB	Output is correct
15	Correct	63 ms	164356 KB	Output is correct
16	Correct	72 ms	164352 KB	Output is correct
17	Correct	69 ms	164376 KB	Output is correct
18	Correct	64 ms	164348 KB	Output is correct
19	Correct	73 ms	164380 KB	Output is correct
20	Correct	82 ms	164356 KB	Output is correct
21	Correct	86 ms	164540 KB	Output is correct
22	Correct	1170 ms	164460 KB	Output is correct
23	Correct	559 ms	164460 KB	Output is correct
24	Correct	579 ms	164580 KB	Output is correct
25	Correct	304 ms	164464 KB	Output is correct
26	Correct	299 ms	164364 KB	Output is correct
27	Correct	956 ms	164500 KB	Output is correct
28	Correct	303 ms	164464 KB	Output is correct
29	Correct	295 ms	164460 KB	Output is correct
30	Correct	287 ms	164428 KB	Output is correct
31	Correct	321 ms	164464 KB	Output is correct
32	Correct	92 ms	164384 KB	Output is correct
33	Correct	72 ms	164344 KB	Output is correct
34	Correct	331 ms	164464 KB	Output is correct
35	Correct	307 ms	164556 KB	Output is correct
36	Runtime error	4 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	75 ms	164460 KB	Output is correct
2	Correct	70 ms	164432 KB	Output is correct
3	Correct	64 ms	164388 KB	Output is correct
4	Correct	67 ms	164560 KB	Output is correct
5	Correct	65 ms	164360 KB	Output is correct
6	Correct	69 ms	164360 KB	Output is correct
7	Correct	63 ms	164392 KB	Output is correct
8	Correct	71 ms	164444 KB	Output is correct
9	Correct	65 ms	164432 KB	Output is correct
10	Correct	70 ms	164460 KB	Output is correct
11	Correct	74 ms	164440 KB	Output is correct
12	Correct	67 ms	164428 KB	Output is correct
13	Correct	70 ms	164380 KB	Output is correct
14	Correct	67 ms	164524 KB	Output is correct
15	Correct	63 ms	164356 KB	Output is correct
16	Correct	72 ms	164352 KB	Output is correct
17	Correct	69 ms	164376 KB	Output is correct
18	Correct	64 ms	164348 KB	Output is correct
19	Correct	73 ms	164380 KB	Output is correct
20	Correct	82 ms	164356 KB	Output is correct
21	Correct	86 ms	164540 KB	Output is correct
22	Correct	1170 ms	164460 KB	Output is correct
23	Correct	559 ms	164460 KB	Output is correct
24	Correct	579 ms	164580 KB	Output is correct
25	Correct	304 ms	164464 KB	Output is correct
26	Correct	299 ms	164364 KB	Output is correct
27	Correct	956 ms	164500 KB	Output is correct
28	Correct	303 ms	164464 KB	Output is correct
29	Correct	295 ms	164460 KB	Output is correct
30	Correct	287 ms	164428 KB	Output is correct
31	Correct	321 ms	164464 KB	Output is correct
32	Correct	92 ms	164384 KB	Output is correct
33	Correct	72 ms	164344 KB	Output is correct
34	Correct	331 ms	164464 KB	Output is correct
35	Correct	307 ms	164556 KB	Output is correct
36	Runtime error	4 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	75 ms	164460 KB	Output is correct
2	Correct	70 ms	164432 KB	Output is correct
3	Correct	64 ms	164388 KB	Output is correct
4	Correct	67 ms	164560 KB	Output is correct
5	Correct	65 ms	164360 KB	Output is correct
6	Correct	69 ms	164360 KB	Output is correct
7	Correct	63 ms	164392 KB	Output is correct
8	Correct	71 ms	164444 KB	Output is correct
9	Correct	65 ms	164432 KB	Output is correct
10	Correct	70 ms	164460 KB	Output is correct
11	Correct	74 ms	164440 KB	Output is correct
12	Correct	67 ms	164428 KB	Output is correct
13	Correct	70 ms	164380 KB	Output is correct
14	Correct	67 ms	164524 KB	Output is correct
15	Correct	63 ms	164356 KB	Output is correct
16	Correct	72 ms	164352 KB	Output is correct
17	Correct	69 ms	164376 KB	Output is correct
18	Correct	64 ms	164348 KB	Output is correct
19	Correct	73 ms	164380 KB	Output is correct
20	Correct	82 ms	164356 KB	Output is correct
21	Correct	86 ms	164540 KB	Output is correct
22	Correct	1170 ms	164460 KB	Output is correct
23	Correct	559 ms	164460 KB	Output is correct
24	Correct	579 ms	164580 KB	Output is correct
25	Correct	304 ms	164464 KB	Output is correct
26	Correct	299 ms	164364 KB	Output is correct
27	Correct	956 ms	164500 KB	Output is correct
28	Correct	303 ms	164464 KB	Output is correct
29	Correct	295 ms	164460 KB	Output is correct
30	Correct	287 ms	164428 KB	Output is correct
31	Correct	321 ms	164464 KB	Output is correct
32	Correct	92 ms	164384 KB	Output is correct
33	Correct	72 ms	164344 KB	Output is correct
34	Correct	331 ms	164464 KB	Output is correct
35	Correct	307 ms	164556 KB	Output is correct
36	Runtime error	4 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	75 ms	164460 KB	Output is correct
2	Correct	70 ms	164432 KB	Output is correct
3	Correct	64 ms	164388 KB	Output is correct
4	Correct	67 ms	164560 KB	Output is correct
5	Correct	65 ms	164360 KB	Output is correct
6	Correct	69 ms	164360 KB	Output is correct
7	Correct	63 ms	164392 KB	Output is correct
8	Correct	71 ms	164444 KB	Output is correct
9	Correct	65 ms	164432 KB	Output is correct
10	Correct	70 ms	164460 KB	Output is correct
11	Correct	74 ms	164440 KB	Output is correct
12	Correct	67 ms	164428 KB	Output is correct
13	Correct	70 ms	164380 KB	Output is correct
14	Correct	67 ms	164524 KB	Output is correct
15	Correct	63 ms	164356 KB	Output is correct
16	Correct	72 ms	164352 KB	Output is correct
17	Correct	69 ms	164376 KB	Output is correct
18	Correct	64 ms	164348 KB	Output is correct
19	Correct	73 ms	164380 KB	Output is correct
20	Correct	82 ms	164356 KB	Output is correct
21	Correct	86 ms	164540 KB	Output is correct
22	Correct	1170 ms	164460 KB	Output is correct
23	Correct	559 ms	164460 KB	Output is correct
24	Correct	579 ms	164580 KB	Output is correct
25	Correct	304 ms	164464 KB	Output is correct
26	Correct	299 ms	164364 KB	Output is correct
27	Correct	956 ms	164500 KB	Output is correct
28	Correct	303 ms	164464 KB	Output is correct
29	Correct	295 ms	164460 KB	Output is correct
30	Correct	287 ms	164428 KB	Output is correct
31	Correct	321 ms	164464 KB	Output is correct
32	Correct	92 ms	164384 KB	Output is correct
33	Correct	72 ms	164344 KB	Output is correct
34	Correct	331 ms	164464 KB	Output is correct
35	Correct	307 ms	164556 KB	Output is correct
36	Runtime error	4 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	75 ms	164460 KB	Output is correct
2	Correct	70 ms	164432 KB	Output is correct
3	Correct	64 ms	164388 KB	Output is correct
4	Correct	67 ms	164560 KB	Output is correct
5	Correct	65 ms	164360 KB	Output is correct
6	Correct	69 ms	164360 KB	Output is correct
7	Correct	63 ms	164392 KB	Output is correct
8	Correct	71 ms	164444 KB	Output is correct
9	Correct	65 ms	164432 KB	Output is correct
10	Correct	70 ms	164460 KB	Output is correct
11	Correct	74 ms	164440 KB	Output is correct
12	Correct	67 ms	164428 KB	Output is correct
13	Correct	70 ms	164380 KB	Output is correct
14	Correct	67 ms	164524 KB	Output is correct
15	Correct	63 ms	164356 KB	Output is correct
16	Correct	72 ms	164352 KB	Output is correct
17	Correct	69 ms	164376 KB	Output is correct
18	Correct	64 ms	164348 KB	Output is correct
19	Correct	73 ms	164380 KB	Output is correct
20	Correct	82 ms	164356 KB	Output is correct
21	Correct	86 ms	164540 KB	Output is correct
22	Correct	1170 ms	164460 KB	Output is correct
23	Correct	559 ms	164460 KB	Output is correct
24	Correct	579 ms	164580 KB	Output is correct
25	Correct	304 ms	164464 KB	Output is correct
26	Correct	299 ms	164364 KB	Output is correct
27	Correct	956 ms	164500 KB	Output is correct
28	Correct	303 ms	164464 KB	Output is correct
29	Correct	295 ms	164460 KB	Output is correct
30	Correct	287 ms	164428 KB	Output is correct
31	Correct	321 ms	164464 KB	Output is correct
32	Correct	92 ms	164384 KB	Output is correct
33	Correct	72 ms	164344 KB	Output is correct
34	Correct	331 ms	164464 KB	Output is correct
35	Correct	307 ms	164556 KB	Output is correct
36	Runtime error	4 ms	468 KB	Execution killed with signal 11
37	Halted	0 ms	0 KB	-

Submission #547751

Compilation message