oj.uz

Submission #872666

# Submission time Handle Problem Language Result Execution time Memory
872666 2023-11-13T14:02:16 Z HossamHero7 Autobus (COCI22_autobus) C++14
55 / 70
 1000 ms 194180 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
int edge[71][71];
vector<pair<int,ll>> adj[71];
ll dp[71][71][70*70+1];
ll solve(int i,int j,int k){
    if(k == 0) return i == j ? 0 : 1e18;
    ll &ret = dp[i][j][k];
    if(~ret) return ret;
    ret = solve(i,j,k-1);
    for(auto [ch,c] : adj[i]) ret = min(ret,solve(ch,j,k-1)+c);
    return ret;
}
void solve(){
    int n,m;
    cin>>n>>m;
    for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) edge[i][j] = 1e9;
    for(int i=0;i<m;i++){
        int a,b,c;
        cin>>a>>b>>c;
        edge[a][b] = min(edge[a][b] , c);
    }
    int cnt = 0;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++) {
            if(edge[i][j] != 1e9) adj[i].push_back({j,edge[i][j]}) , cnt++;
        }
    }
    int k,q;
    cin>>k>>q;
    k = min(k,cnt);
    memset(dp,-1,sizeof(dp));
    while(q--){
        int a,b;
        cin>>a>>b;
        ll ans = solve(a,b,k);
        cout<<(ans == 1e18 ? -1 : ans)<<endl;
    }
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);      cout.tie(0);
    int t=1;
    //cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

Compilation message

Main.cpp: In function 'll solve(int, int, int)':
Main.cpp:13:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   13 |     for(auto [ch,c] : adj[i]) ret = min(ret,solve(ch,j,k-1)+c);
      |              ^

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 193660 KB Output is correct
2 Correct 27 ms 193884 KB Output is correct
3 Correct 23 ms 193712 KB Output is correct
4 Correct 23 ms 193632 KB Output is correct
5 Correct 26 ms 193612 KB Output is correct
6 Correct 22 ms 193624 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 193884 KB Output is correct
2 Correct 25 ms 193880 KB Output is correct
3 Correct 24 ms 193764 KB Output is correct
4 Correct 24 ms 193880 KB Output is correct
5 Correct 27 ms 193728 KB Output is correct
6 Correct 26 ms 193884 KB Output is correct
7 Correct 27 ms 193876 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 193660 KB Output is correct
2 Correct 27 ms 193884 KB Output is correct
3 Correct 23 ms 193712 KB Output is correct
4 Correct 23 ms 193632 KB Output is correct
5 Correct 26 ms 193612 KB Output is correct
6 Correct 22 ms 193624 KB Output is correct
7 Correct 29 ms 193812 KB Output is correct
8 Correct 34 ms 193876 KB Output is correct
9 Correct 25 ms 193880 KB Output is correct
10 Correct 36 ms 193884 KB Output is correct
11 Correct 33 ms 193952 KB Output is correct
12 Correct 69 ms 194128 KB Output is correct
13 Correct 96 ms 193876 KB Output is correct
14 Correct 98 ms 193872 KB Output is correct
15 Correct 175 ms 193756 KB Output is correct
16 Correct 122 ms 193992 KB Output is correct
17 Correct 113 ms 193992 KB Output is correct
18 Correct 93 ms 193876 KB Output is correct
19 Correct 184 ms 193872 KB Output is correct
20 Correct 142 ms 193876 KB Output is correct
21 Correct 95 ms 194008 KB Output is correct
22 Correct 109 ms 193876 KB Output is correct
23 Correct 110 ms 194012 KB Output is correct
24 Correct 142 ms 193916 KB Output is correct
25 Correct 96 ms 193996 KB Output is correct
26 Correct 115 ms 194008 KB Output is correct
27 Correct 130 ms 193988 KB Output is correct
28 Correct 117 ms 193996 KB Output is correct
29 Correct 101 ms 194012 KB Output is correct
30 Correct 110 ms 193872 KB Output is correct
31 Correct 144 ms 193996 KB Output is correct
32 Correct 185 ms 194012 KB Output is correct

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 193660 KB Output is correct
2 Correct 27 ms 193884 KB Output is correct
3 Correct 23 ms 193712 KB Output is correct
4 Correct 23 ms 193632 KB Output is correct
5 Correct 26 ms 193612 KB Output is correct
6 Correct 22 ms 193624 KB Output is correct
7 Correct 24 ms 193884 KB Output is correct
8 Correct 25 ms 193880 KB Output is correct
9 Correct 24 ms 193764 KB Output is correct
10 Correct 24 ms 193880 KB Output is correct
11 Correct 27 ms 193728 KB Output is correct
12 Correct 26 ms 193884 KB Output is correct
13 Correct 27 ms 193876 KB Output is correct
14 Correct 29 ms 193812 KB Output is correct
15 Correct 34 ms 193876 KB Output is correct
16 Correct 25 ms 193880 KB Output is correct
17 Correct 36 ms 193884 KB Output is correct
18 Correct 33 ms 193952 KB Output is correct
19 Correct 69 ms 194128 KB Output is correct
20 Correct 96 ms 193876 KB Output is correct
21 Correct 98 ms 193872 KB Output is correct
22 Correct 175 ms 193756 KB Output is correct
23 Correct 122 ms 193992 KB Output is correct
24 Correct 113 ms 193992 KB Output is correct
25 Correct 93 ms 193876 KB Output is correct
26 Correct 184 ms 193872 KB Output is correct
27 Correct 142 ms 193876 KB Output is correct
28 Correct 95 ms 194008 KB Output is correct
29 Correct 109 ms 193876 KB Output is correct
30 Correct 110 ms 194012 KB Output is correct
31 Correct 142 ms 193916 KB Output is correct
32 Correct 96 ms 193996 KB Output is correct
33 Correct 115 ms 194008 KB Output is correct
34 Correct 130 ms 193988 KB Output is correct
35 Correct 117 ms 193996 KB Output is correct
36 Correct 101 ms 194012 KB Output is correct
37 Correct 110 ms 193872 KB Output is correct
38 Correct 144 ms 193996 KB Output is correct
39 Correct 185 ms 194012 KB Output is correct
40 Correct 27 ms 193852 KB Output is correct
41 Correct 98 ms 193884 KB Output is correct
42 Correct 26 ms 193884 KB Output is correct
43 Correct 393 ms 194180 KB Output is correct
44 Correct 33 ms 193880 KB Output is correct
45 Execution timed out 1088 ms 194176 KB Time limit exceeded
46 Halted 0 ms 0 KB -