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Submission #872324

# Submission time Handle Problem Language Result Execution time Memory
872324 2023-11-12T21:22:31 Z Ahmed_Solyman Autobus (COCI22_autobus) C++14
70 / 70
 321 ms 8736 KB 
/*
In the name of Allah
made by: Ahmed_Solyman
*/
#include <bits/stdc++.h>
#include <ext/rope>
 
using namespace std;
using namespace __gnu_cxx;
#pragma GCC optimize("-Ofast")
#pragma GCC optimize("-O1")
//-------------------------------------------------------------//
typedef long long ll;
typedef unsigned long long ull;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define PI acos(-1)
#define lb lower_bound
#define ub upper_bound
#define endl '\n'
#define all(v) v.begin(),v.end()
#define allr(v) v.rbegin(),v.rend()
#define sum_to(n) (n*(n+1))/2
#define pb push_back
#define pf push_front
#define fil(arr,x) memset(arr,x,sizeof(arr))
const ll mod=1e9+7;
int dx[8]={0,1,0,-1,1,1,-1,-1};
int dy[8]={1,0,-1,0,1,-1,-1,1};
//-------------------------------------------------------------//
ll lcm(ll a,ll b)
{
    return (max(a,b)/__gcd(a,b))*min(a,b);
}
void person_bool(bool x)
{
    cout<<(x?"YES":"NO")<<endl;
}
int main()
{
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);
    #ifndef ONLINE_JUDGE
    //freopen("input.in", "r", stdin);
   // freopen("output.out", "w", stdout);
    #endif
    fast
    int n,m;cin>>n>>m;
    vector<vector<vector<int>>>dist(n+5,vector<vector<int>>(n+5,vector<int>(n+5,1e9)));
    for(int i=0;i<m;i++){
        int u,v,w;
        cin>>u>>v>>w;
        dist[u][v][1]=min(dist[u][v][1],w);
    }
    int k,q;cin>>k>>q;
    for(int j=2;j<=min(k,n);j++){
        for(int u=1;u<=n;u++){
            for(int v=1;v<=n;v++){
                dist[u][v][j]=dist[u][v][j-1];
                for(int b=1;b<=n;b++){
                    dist[u][v][j]=min(dist[u][v][j],dist[u][b][j-1]+dist[b][v][1]);
                    dist[u][v][j]=min(dist[u][v][j],dist[u][b][1]+dist[b][v][j-1]);
                }
            }
        }
    }
    while(q--){
        int u,v;cin>>u>>v;
        cout<<(u==v?0:dist[u][v][min(k,n)]==1e9?-1:dist[u][v][min(k,n)])<<endl;
    }
    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2140 KB Output is correct
2 Correct 5 ms 2396 KB Output is correct
3 Correct 10 ms 2404 KB Output is correct
4 Correct 5 ms 2396 KB Output is correct
5 Correct 8 ms 2548 KB Output is correct
6 Correct 6 ms 2392 KB Output is correct
7 Correct 9 ms 2392 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 73 ms 2372 KB Output is correct
8 Correct 217 ms 2364 KB Output is correct
9 Correct 11 ms 2396 KB Output is correct
10 Correct 112 ms 2392 KB Output is correct
11 Correct 30 ms 2396 KB Output is correct
12 Correct 174 ms 2432 KB Output is correct
13 Correct 86 ms 8272 KB Output is correct
14 Correct 92 ms 8492 KB Output is correct
15 Correct 251 ms 8484 KB Output is correct
16 Correct 152 ms 8736 KB Output is correct
17 Correct 87 ms 8528 KB Output is correct
18 Correct 79 ms 8528 KB Output is correct
19 Correct 288 ms 8528 KB Output is correct
20 Correct 194 ms 8368 KB Output is correct
21 Correct 80 ms 8480 KB Output is correct
22 Correct 115 ms 8608 KB Output is correct
23 Correct 116 ms 8532 KB Output is correct
24 Correct 182 ms 8608 KB Output is correct
25 Correct 85 ms 8528 KB Output is correct
26 Correct 126 ms 8612 KB Output is correct
27 Correct 148 ms 8692 KB Output is correct
28 Correct 130 ms 8532 KB Output is correct
29 Correct 89 ms 8272 KB Output is correct
30 Correct 118 ms 8236 KB Output is correct
31 Correct 189 ms 8356 KB Output is correct
32 Correct 293 ms 8432 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 2 ms 2140 KB Output is correct
8 Correct 5 ms 2396 KB Output is correct
9 Correct 10 ms 2404 KB Output is correct
10 Correct 5 ms 2396 KB Output is correct
11 Correct 8 ms 2548 KB Output is correct
12 Correct 6 ms 2392 KB Output is correct
13 Correct 9 ms 2392 KB Output is correct
14 Correct 73 ms 2372 KB Output is correct
15 Correct 217 ms 2364 KB Output is correct
16 Correct 11 ms 2396 KB Output is correct
17 Correct 112 ms 2392 KB Output is correct
18 Correct 30 ms 2396 KB Output is correct
19 Correct 174 ms 2432 KB Output is correct
20 Correct 86 ms 8272 KB Output is correct
21 Correct 92 ms 8492 KB Output is correct
22 Correct 251 ms 8484 KB Output is correct
23 Correct 152 ms 8736 KB Output is correct
24 Correct 87 ms 8528 KB Output is correct
25 Correct 79 ms 8528 KB Output is correct
26 Correct 288 ms 8528 KB Output is correct
27 Correct 194 ms 8368 KB Output is correct
28 Correct 80 ms 8480 KB Output is correct
29 Correct 115 ms 8608 KB Output is correct
30 Correct 116 ms 8532 KB Output is correct
31 Correct 182 ms 8608 KB Output is correct
32 Correct 85 ms 8528 KB Output is correct
33 Correct 126 ms 8612 KB Output is correct
34 Correct 148 ms 8692 KB Output is correct
35 Correct 130 ms 8532 KB Output is correct
36 Correct 89 ms 8272 KB Output is correct
37 Correct 118 ms 8236 KB Output is correct
38 Correct 189 ms 8356 KB Output is correct
39 Correct 293 ms 8432 KB Output is correct
40 Correct 54 ms 2384 KB Output is correct
41 Correct 216 ms 2372 KB Output is correct
42 Correct 32 ms 2392 KB Output is correct
43 Correct 216 ms 2396 KB Output is correct
44 Correct 33 ms 2640 KB Output is correct
45 Correct 216 ms 2396 KB Output is correct
46 Correct 88 ms 8276 KB Output is correct
47 Correct 176 ms 8484 KB Output is correct
48 Correct 122 ms 8272 KB Output is correct
49 Correct 294 ms 8496 KB Output is correct
50 Correct 107 ms 8480 KB Output is correct
51 Correct 130 ms 8532 KB Output is correct
52 Correct 81 ms 8528 KB Output is correct
53 Correct 289 ms 8564 KB Output is correct
54 Correct 93 ms 8480 KB Output is correct
55 Correct 93 ms 8480 KB Output is correct
56 Correct 274 ms 8592 KB Output is correct
57 Correct 294 ms 8640 KB Output is correct
58 Correct 83 ms 8688 KB Output is correct
59 Correct 165 ms 8480 KB Output is correct
60 Correct 246 ms 8688 KB Output is correct
61 Correct 321 ms 8480 KB Output is correct
62 Correct 82 ms 8236 KB Output is correct
63 Correct 127 ms 8356 KB Output is correct
64 Correct 167 ms 8276 KB Output is correct
65 Correct 288 ms 8424 KB Output is correct