Submission #531589

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
531589	2022-03-01T04:43:53 Z	errorgorn	Autobus (COCI22_autobus)	C++17	70 / 70	187 ms	9588 KB

Main

//雪花飄飄北風嘯嘯
//天地一片蒼茫

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define int long long
#define ll long long
#define ii pair<ll,ll>
#define iii pair<ii,ll>
#define fi first
#define se second
#define endl '\n'
#define debug(x) cout << #x << ": " << x << endl

#define pub push_back
#define pob pop_back
#define puf push_front
#define pof pop_front
#define lb lower_bound
#define ub upper_bound

#define rep(x,start,end) for(auto x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()

#define indexed_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>
//change less to less_equal for non distinct pbds, but erase will bug

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());

int n,m,q,k;
int w[75][75];
int dist[75][75][75];

signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin.exceptions(ios::badbit | ios::failbit);
	
	cin>>n>>m;
	
	memset(w,1,sizeof(w));
	memset(dist,1,sizeof(dist));
	
	rep(x,0,75) dist[0][x][x]=0,w[x][x]=0;
	
	int a,b,c;
	
	rep(x,0,m){
		cin>>a>>b>>c;
		a--,b--;
		w[a][b]=min(w[a][b],c);
	}
	
	rep(i,0,74) rep(x,0,n) rep(y,0,n) rep(z,0,n){
		dist[i+1][x][z]=min(dist[i+1][x][z],dist[i][x][y]+w[y][z]);
	}
	
	cin>>k>>q;
	k=min(k,n);
	
	while (q--){
		cin>>a>>b;
		a--,b--;
		
		cout<<(dist[k][a][b]>1e9?-1:dist[k][a][b])<<endl;
	}
}

Subtask #1
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3660 KB	Output is correct
2	Correct	2 ms	3660 KB	Output is correct
3	Correct	2 ms	3588 KB	Output is correct
4	Correct	2 ms	3660 KB	Output is correct
5	Correct	2 ms	3660 KB	Output is correct
6	Correct	2 ms	3648 KB	Output is correct

Subtask #2
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	48 ms	3660 KB	Output is correct
2	Correct	50 ms	3660 KB	Output is correct
3	Correct	50 ms	3660 KB	Output is correct
4	Correct	53 ms	3652 KB	Output is correct
5	Correct	52 ms	3664 KB	Output is correct
6	Correct	50 ms	3660 KB	Output is correct
7	Correct	48 ms	3660 KB	Output is correct

Subtask #3
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3660 KB	Output is correct
2	Correct	2 ms	3660 KB	Output is correct
3	Correct	2 ms	3588 KB	Output is correct
4	Correct	2 ms	3660 KB	Output is correct
5	Correct	2 ms	3660 KB	Output is correct
6	Correct	2 ms	3648 KB	Output is correct
7	Correct	50 ms	3668 KB	Output is correct
8	Correct	55 ms	3660 KB	Output is correct
9	Correct	62 ms	3660 KB	Output is correct
10	Correct	54 ms	3648 KB	Output is correct
11	Correct	48 ms	3688 KB	Output is correct
12	Correct	47 ms	3660 KB	Output is correct
13	Correct	161 ms	4500 KB	Output is correct
14	Correct	150 ms	4548 KB	Output is correct
15	Correct	132 ms	4852 KB	Output is correct
16	Correct	153 ms	9172 KB	Output is correct
17	Correct	187 ms	5312 KB	Output is correct
18	Correct	135 ms	5316 KB	Output is correct
19	Correct	143 ms	4808 KB	Output is correct
20	Correct	145 ms	5568 KB	Output is correct
21	Correct	157 ms	5160 KB	Output is correct
22	Correct	144 ms	7592 KB	Output is correct
23	Correct	154 ms	3660 KB	Output is correct
24	Correct	150 ms	6504 KB	Output is correct
25	Correct	150 ms	7320 KB	Output is correct
26	Correct	174 ms	3660 KB	Output is correct
27	Correct	132 ms	3648 KB	Output is correct
28	Correct	139 ms	3660 KB	Output is correct
29	Correct	148 ms	3672 KB	Output is correct
30	Correct	151 ms	7912 KB	Output is correct
31	Correct	132 ms	9588 KB	Output is correct
32	Correct	155 ms	9164 KB	Output is correct

Subtask #4
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3660 KB	Output is correct
2	Correct	2 ms	3660 KB	Output is correct
3	Correct	2 ms	3588 KB	Output is correct
4	Correct	2 ms	3660 KB	Output is correct
5	Correct	2 ms	3660 KB	Output is correct
6	Correct	2 ms	3648 KB	Output is correct
7	Correct	48 ms	3660 KB	Output is correct
8	Correct	50 ms	3660 KB	Output is correct
9	Correct	50 ms	3660 KB	Output is correct
10	Correct	53 ms	3652 KB	Output is correct
11	Correct	52 ms	3664 KB	Output is correct
12	Correct	50 ms	3660 KB	Output is correct
13	Correct	48 ms	3660 KB	Output is correct
14	Correct	50 ms	3668 KB	Output is correct
15	Correct	55 ms	3660 KB	Output is correct
16	Correct	62 ms	3660 KB	Output is correct
17	Correct	54 ms	3648 KB	Output is correct
18	Correct	48 ms	3688 KB	Output is correct
19	Correct	47 ms	3660 KB	Output is correct
20	Correct	161 ms	4500 KB	Output is correct
21	Correct	150 ms	4548 KB	Output is correct
22	Correct	132 ms	4852 KB	Output is correct
23	Correct	153 ms	9172 KB	Output is correct
24	Correct	187 ms	5312 KB	Output is correct
25	Correct	135 ms	5316 KB	Output is correct
26	Correct	143 ms	4808 KB	Output is correct
27	Correct	145 ms	5568 KB	Output is correct
28	Correct	157 ms	5160 KB	Output is correct
29	Correct	144 ms	7592 KB	Output is correct
30	Correct	154 ms	3660 KB	Output is correct
31	Correct	150 ms	6504 KB	Output is correct
32	Correct	150 ms	7320 KB	Output is correct
33	Correct	174 ms	3660 KB	Output is correct
34	Correct	132 ms	3648 KB	Output is correct
35	Correct	139 ms	3660 KB	Output is correct
36	Correct	148 ms	3672 KB	Output is correct
37	Correct	151 ms	7912 KB	Output is correct
38	Correct	132 ms	9588 KB	Output is correct
39	Correct	155 ms	9164 KB	Output is correct
40	Correct	51 ms	3664 KB	Output is correct
41	Correct	50 ms	3652 KB	Output is correct
42	Correct	48 ms	3772 KB	Output is correct
43	Correct	52 ms	3660 KB	Output is correct
44	Correct	50 ms	3712 KB	Output is correct
45	Correct	54 ms	3656 KB	Output is correct
46	Correct	136 ms	4448 KB	Output is correct
47	Correct	144 ms	7024 KB	Output is correct
48	Correct	141 ms	5484 KB	Output is correct
49	Correct	149 ms	8904 KB	Output is correct
50	Correct	154 ms	7648 KB	Output is correct
51	Correct	154 ms	8016 KB	Output is correct
52	Correct	172 ms	8900 KB	Output is correct
53	Correct	136 ms	7868 KB	Output is correct
54	Correct	133 ms	4588 KB	Output is correct
55	Correct	160 ms	6792 KB	Output is correct
56	Correct	134 ms	9412 KB	Output is correct
57	Correct	140 ms	6236 KB	Output is correct
58	Correct	147 ms	3688 KB	Output is correct
59	Correct	130 ms	3700 KB	Output is correct
60	Correct	131 ms	3660 KB	Output is correct
61	Correct	143 ms	3784 KB	Output is correct
62	Correct	137 ms	3744 KB	Output is correct
63	Correct	131 ms	3668 KB	Output is correct
64	Correct	133 ms	3760 KB	Output is correct
65	Correct	163 ms	7248 KB	Output is correct

Submission #531589

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 15.0 / 15.0

Subtask #3 25.0 / 25.0

Subtask #4 15.0 / 15.0

Subtask #1
15.0 / 15.0

Subtask #2
15.0 / 15.0

Subtask #3
25.0 / 25.0

Subtask #4
15.0 / 15.0