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Submission #740383

# Submission time Handle Problem Language Result Execution time Memory
740383 2023-05-12T11:56:40 Z pera Autobus (COCI22_autobus) C++14
70 / 70
 184 ms 9700 KB 
#include<bits/stdc++.h>

using namespace std;

#define pb push_back
#define ll long long
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()

#define int ll

const ll mod = 1e9 + 7;


main(){
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
	int n , m , k , q;cin >> n >> m;
	vector<vector<vector<int>>> dp(n + 1 , vector<vector<int>>(n + 1 , vector<int>(n + 1)));
	for(int i = 1;i <= n;i ++){
		for(int j = 1;j <= n;j ++){
			for(int K = 1;K <= n;K ++){
				dp[i][j][K] = 1e9;
				if(i == j) dp[i][j][K] = 0;
			}
		}
	}
	for(int i = 1;i <= m;i ++){
		int u , v , t;cin >> u >> v >> t;
		dp[u][v][1] = min(dp[u][v][1] , t);
	}
	cin >> k >> q;
	k = min(k , n);
	for(int kk = 2;kk <= k;kk ++){
		for(int j = 1;j <= n;j ++){
			for(int b = 1;b <= n;b ++){
				for(int a = 1;a <= n;a ++){
					dp[j][a][kk] = min(dp[j][a][kk] , dp[j][b][kk - 1] + dp[b][a][1]);
				}
			}
		}
	}
	while(q --){
		int u , v;cin >> u >> v;
		cout << (dp[u][v][k] >= 1e9 ? -1 : dp[u][v][k]) << endl; 
	}
}

Compilation message

Main.cpp:15:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   15 | main(){
      | ^~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 3284 KB Output is correct
2 Correct 11 ms 3344 KB Output is correct
3 Correct 13 ms 3272 KB Output is correct
4 Correct 11 ms 3284 KB Output is correct
5 Correct 13 ms 3368 KB Output is correct
6 Correct 16 ms 3408 KB Output is correct
7 Correct 15 ms 3416 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 38 ms 3348 KB Output is correct
8 Correct 83 ms 3352 KB Output is correct
9 Correct 14 ms 3332 KB Output is correct
10 Correct 50 ms 3352 KB Output is correct
11 Correct 23 ms 3412 KB Output is correct
12 Correct 66 ms 3284 KB Output is correct
13 Correct 110 ms 9456 KB Output is correct
14 Correct 125 ms 9436 KB Output is correct
15 Correct 172 ms 9444 KB Output is correct
16 Correct 137 ms 9420 KB Output is correct
17 Correct 106 ms 9432 KB Output is correct
18 Correct 104 ms 9548 KB Output is correct
19 Correct 182 ms 9520 KB Output is correct
20 Correct 149 ms 9548 KB Output is correct
21 Correct 106 ms 9572 KB Output is correct
22 Correct 124 ms 9572 KB Output is correct
23 Correct 130 ms 9548 KB Output is correct
24 Correct 141 ms 9540 KB Output is correct
25 Correct 106 ms 9564 KB Output is correct
26 Correct 122 ms 9572 KB Output is correct
27 Correct 129 ms 9576 KB Output is correct
28 Correct 122 ms 9560 KB Output is correct
29 Correct 110 ms 9308 KB Output is correct
30 Correct 118 ms 9304 KB Output is correct
31 Correct 150 ms 9308 KB Output is correct
32 Correct 180 ms 9304 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 10 ms 3284 KB Output is correct
8 Correct 11 ms 3344 KB Output is correct
9 Correct 13 ms 3272 KB Output is correct
10 Correct 11 ms 3284 KB Output is correct
11 Correct 13 ms 3368 KB Output is correct
12 Correct 16 ms 3408 KB Output is correct
13 Correct 15 ms 3416 KB Output is correct
14 Correct 38 ms 3348 KB Output is correct
15 Correct 83 ms 3352 KB Output is correct
16 Correct 14 ms 3332 KB Output is correct
17 Correct 50 ms 3352 KB Output is correct
18 Correct 23 ms 3412 KB Output is correct
19 Correct 66 ms 3284 KB Output is correct
20 Correct 110 ms 9456 KB Output is correct
21 Correct 125 ms 9436 KB Output is correct
22 Correct 172 ms 9444 KB Output is correct
23 Correct 137 ms 9420 KB Output is correct
24 Correct 106 ms 9432 KB Output is correct
25 Correct 104 ms 9548 KB Output is correct
26 Correct 182 ms 9520 KB Output is correct
27 Correct 149 ms 9548 KB Output is correct
28 Correct 106 ms 9572 KB Output is correct
29 Correct 124 ms 9572 KB Output is correct
30 Correct 130 ms 9548 KB Output is correct
31 Correct 141 ms 9540 KB Output is correct
32 Correct 106 ms 9564 KB Output is correct
33 Correct 122 ms 9572 KB Output is correct
34 Correct 129 ms 9576 KB Output is correct
35 Correct 122 ms 9560 KB Output is correct
36 Correct 110 ms 9308 KB Output is correct
37 Correct 118 ms 9304 KB Output is correct
38 Correct 150 ms 9308 KB Output is correct
39 Correct 180 ms 9304 KB Output is correct
40 Correct 29 ms 3364 KB Output is correct
41 Correct 86 ms 3284 KB Output is correct
42 Correct 18 ms 3284 KB Output is correct
43 Correct 91 ms 3344 KB Output is correct
44 Correct 22 ms 3412 KB Output is correct
45 Correct 84 ms 3388 KB Output is correct
46 Correct 118 ms 9432 KB Output is correct
47 Correct 148 ms 9432 KB Output is correct
48 Correct 130 ms 9440 KB Output is correct
49 Correct 175 ms 9428 KB Output is correct
50 Correct 107 ms 9432 KB Output is correct
51 Correct 118 ms 9436 KB Output is correct
52 Correct 100 ms 9436 KB Output is correct
53 Correct 178 ms 9524 KB Output is correct
54 Correct 119 ms 9540 KB Output is correct
55 Correct 117 ms 9564 KB Output is correct
56 Correct 168 ms 9556 KB Output is correct
57 Correct 177 ms 9544 KB Output is correct
58 Correct 111 ms 9548 KB Output is correct
59 Correct 133 ms 9552 KB Output is correct
60 Correct 173 ms 9564 KB Output is correct
61 Correct 184 ms 9700 KB Output is correct
62 Correct 102 ms 9392 KB Output is correct
63 Correct 116 ms 9292 KB Output is correct
64 Correct 129 ms 9304 KB Output is correct
65 Correct 173 ms 9312 KB Output is correct