oj.uz

Submission #872674

# Submission time Handle Problem Language Result Execution time Memory
872674 2023-11-13T14:13:46 Z HossamHero7 Autobus (COCI22_autobus) C++14
70 / 70
 203 ms 200316 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
int edge[71][71];
vector<pair<int,int>> adj[71];
ll dp[71][71][70*70+1];
int K;
ll solve(int i,int j,int k){
    if(i == j) return 0;
    if(k == K) return 1e18;
    ll &ret = dp[i][j][k];
    if(~ret) return ret;
    ret = 1e18;
    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 q;
    cin>>K>>q;
    K = min(K,n);
    memset(dp,-1,sizeof(dp));
    while(q--){
        int a,b;
        cin>>a>>b;
        ll ans = solve(a,b,0);
        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:15:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   15 |     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 22 ms 193768 KB Output is correct
2 Correct 23 ms 193628 KB Output is correct
3 Correct 23 ms 193628 KB Output is correct
4 Correct 22 ms 193624 KB Output is correct
5 Correct 22 ms 193740 KB Output is correct
6 Correct 22 ms 193616 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 193872 KB Output is correct
2 Correct 24 ms 193884 KB Output is correct
3 Correct 24 ms 193780 KB Output is correct
4 Correct 24 ms 193860 KB Output is correct
5 Correct 25 ms 193644 KB Output is correct
6 Correct 26 ms 193884 KB Output is correct
7 Correct 27 ms 193880 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 193768 KB Output is correct
2 Correct 23 ms 193628 KB Output is correct
3 Correct 23 ms 193628 KB Output is correct
4 Correct 22 ms 193624 KB Output is correct
5 Correct 22 ms 193740 KB Output is correct
6 Correct 22 ms 193616 KB Output is correct
7 Correct 29 ms 193884 KB Output is correct
8 Correct 36 ms 193884 KB Output is correct
9 Correct 25 ms 193884 KB Output is correct
10 Correct 39 ms 193620 KB Output is correct
11 Correct 35 ms 193884 KB Output is correct
12 Correct 71 ms 193872 KB Output is correct
13 Correct 94 ms 193784 KB Output is correct
14 Correct 98 ms 193772 KB Output is correct
15 Correct 192 ms 193756 KB Output is correct
16 Correct 120 ms 193752 KB Output is correct
17 Correct 97 ms 193876 KB Output is correct
18 Correct 94 ms 193740 KB Output is correct
19 Correct 193 ms 193872 KB Output is correct
20 Correct 157 ms 193756 KB Output is correct
21 Correct 94 ms 193740 KB Output is correct
22 Correct 111 ms 193744 KB Output is correct
23 Correct 108 ms 193872 KB Output is correct
24 Correct 145 ms 193744 KB Output is correct
25 Correct 96 ms 193876 KB Output is correct
26 Correct 115 ms 193876 KB Output is correct
27 Correct 125 ms 193740 KB Output is correct
28 Correct 119 ms 193872 KB Output is correct
29 Correct 97 ms 193872 KB Output is correct
30 Correct 116 ms 194248 KB Output is correct
31 Correct 144 ms 193876 KB Output is correct
32 Correct 192 ms 193760 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 193768 KB Output is correct
2 Correct 23 ms 193628 KB Output is correct
3 Correct 23 ms 193628 KB Output is correct
4 Correct 22 ms 193624 KB Output is correct
5 Correct 22 ms 193740 KB Output is correct
6 Correct 22 ms 193616 KB Output is correct
7 Correct 24 ms 193872 KB Output is correct
8 Correct 24 ms 193884 KB Output is correct
9 Correct 24 ms 193780 KB Output is correct
10 Correct 24 ms 193860 KB Output is correct
11 Correct 25 ms 193644 KB Output is correct
12 Correct 26 ms 193884 KB Output is correct
13 Correct 27 ms 193880 KB Output is correct
14 Correct 29 ms 193884 KB Output is correct
15 Correct 36 ms 193884 KB Output is correct
16 Correct 25 ms 193884 KB Output is correct
17 Correct 39 ms 193620 KB Output is correct
18 Correct 35 ms 193884 KB Output is correct
19 Correct 71 ms 193872 KB Output is correct
20 Correct 94 ms 193784 KB Output is correct
21 Correct 98 ms 193772 KB Output is correct
22 Correct 192 ms 193756 KB Output is correct
23 Correct 120 ms 193752 KB Output is correct
24 Correct 97 ms 193876 KB Output is correct
25 Correct 94 ms 193740 KB Output is correct
26 Correct 193 ms 193872 KB Output is correct
27 Correct 157 ms 193756 KB Output is correct
28 Correct 94 ms 193740 KB Output is correct
29 Correct 111 ms 193744 KB Output is correct
30 Correct 108 ms 193872 KB Output is correct
31 Correct 145 ms 193744 KB Output is correct
32 Correct 96 ms 193876 KB Output is correct
33 Correct 115 ms 193876 KB Output is correct
34 Correct 125 ms 193740 KB Output is correct
35 Correct 119 ms 193872 KB Output is correct
36 Correct 97 ms 193872 KB Output is correct
37 Correct 116 ms 194248 KB Output is correct
38 Correct 144 ms 193876 KB Output is correct
39 Correct 192 ms 193760 KB Output is correct
40 Correct 27 ms 193876 KB Output is correct
41 Correct 37 ms 193880 KB Output is correct
42 Correct 29 ms 193880 KB Output is correct
43 Correct 51 ms 193860 KB Output is correct
44 Correct 34 ms 193724 KB Output is correct
45 Correct 110 ms 193888 KB Output is correct
46 Correct 100 ms 199864 KB Output is correct
47 Correct 147 ms 200316 KB Output is correct
48 Correct 114 ms 199996 KB Output is correct
49 Correct 194 ms 200020 KB Output is correct
50 Correct 98 ms 199968 KB Output is correct
51 Correct 128 ms 200016 KB Output is correct
52 Correct 95 ms 200020 KB Output is correct
53 Correct 196 ms 200020 KB Output is correct
54 Correct 98 ms 200124 KB Output is correct
55 Correct 100 ms 199996 KB Output is correct
56 Correct 185 ms 199996 KB Output is correct
57 Correct 203 ms 200272 KB Output is correct
58 Correct 98 ms 200016 KB Output is correct
59 Correct 137 ms 200020 KB Output is correct
60 Correct 176 ms 200120 KB Output is correct
61 Correct 197 ms 200016 KB Output is correct
62 Correct 95 ms 199868 KB Output is correct
63 Correct 118 ms 200020 KB Output is correct
64 Correct 133 ms 200144 KB Output is correct
65 Correct 194 ms 200020 KB Output is correct