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Submission #556046

# Submission time Handle Problem Language Result Execution time Memory
556046 2022-05-02T08:58:25 Z new_acc Autobus (COCI22_autobus) C++14
70 / 70
 210 ms 8912 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=100;
const int SS=1<<19;
const int INFi=2e9;
const ll INFl=1e13;
const ll mod2=998244353;
const ll mod=1e9+7;
const ll mod3=1000696969;
const ll p=70032301;
const ull p2=913;
const int L=20;
int t[N],odl[N][N],dp[N][N][N];
void solve(){
    int n,m;
    cin>>n>>m;
    for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) odl[i][j]=-1;
    for(int a,b,c,i=1;i<=m;i++){
        cin>>a>>b>>c;
        if(odl[a][b]==-1) odl[a][b]=c;
        else odl[a][b]=min(odl[a][b],c);
    }
    for(int i=1;i<=n;i++) odl[i][i]=0;
    int k,q;
    cin>>k>>q;
    k=min(k,n);
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++) dp[i][j][0]=odl[i][j];
    for(int il=1;il<=n;il++){
        for(int i=1;i<=n;i++){
            for(int j=1;j<=n;j++){
                dp[i][j][il]=-1;
                for(int sr=1;sr<=n;sr++){
                    if(dp[i][sr][il-1]!=-1 and odl[sr][j]!=-1){
                        if(dp[i][j][il]==-1) dp[i][j][il]=dp[i][sr][il-1]+odl[sr][j];
                        else dp[i][j][il]=min(dp[i][j][il],dp[i][sr][il-1]+odl[sr][j]);
                    }
                }
            }
        }
    }
    while(q--){
        int a,b;
        cin>>a>>b;
        cout<<dp[a][b][k-1]<<"\n";
    }
}
int main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    int tt=1;
    while(tt--) solve();
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 2556 KB Output is correct
2 Correct 68 ms 2568 KB Output is correct
3 Correct 57 ms 2548 KB Output is correct
4 Correct 72 ms 2572 KB Output is correct
5 Correct 69 ms 2680 KB Output is correct
6 Correct 68 ms 2620 KB Output is correct
7 Correct 69 ms 2596 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 48 ms 2572 KB Output is correct
8 Correct 48 ms 2516 KB Output is correct
9 Correct 72 ms 2560 KB Output is correct
10 Correct 74 ms 2644 KB Output is correct
11 Correct 71 ms 2616 KB Output is correct
12 Correct 68 ms 2620 KB Output is correct
13 Correct 167 ms 8664 KB Output is correct
14 Correct 170 ms 8656 KB Output is correct
15 Correct 176 ms 8676 KB Output is correct
16 Correct 163 ms 8648 KB Output is correct
17 Correct 164 ms 8660 KB Output is correct
18 Correct 184 ms 8652 KB Output is correct
19 Correct 172 ms 8648 KB Output is correct
20 Correct 173 ms 8744 KB Output is correct
21 Correct 183 ms 8780 KB Output is correct
22 Correct 195 ms 8896 KB Output is correct
23 Correct 169 ms 8776 KB Output is correct
24 Correct 188 ms 8788 KB Output is correct
25 Correct 202 ms 8784 KB Output is correct
26 Correct 165 ms 8776 KB Output is correct
27 Correct 169 ms 8912 KB Output is correct
28 Correct 166 ms 8872 KB Output is correct
29 Correct 176 ms 8616 KB Output is correct
30 Correct 177 ms 8532 KB Output is correct
31 Correct 174 ms 8520 KB Output is correct
32 Correct 169 ms 8616 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 55 ms 2556 KB Output is correct
8 Correct 68 ms 2568 KB Output is correct
9 Correct 57 ms 2548 KB Output is correct
10 Correct 72 ms 2572 KB Output is correct
11 Correct 69 ms 2680 KB Output is correct
12 Correct 68 ms 2620 KB Output is correct
13 Correct 69 ms 2596 KB Output is correct
14 Correct 48 ms 2572 KB Output is correct
15 Correct 48 ms 2516 KB Output is correct
16 Correct 72 ms 2560 KB Output is correct
17 Correct 74 ms 2644 KB Output is correct
18 Correct 71 ms 2616 KB Output is correct
19 Correct 68 ms 2620 KB Output is correct
20 Correct 167 ms 8664 KB Output is correct
21 Correct 170 ms 8656 KB Output is correct
22 Correct 176 ms 8676 KB Output is correct
23 Correct 163 ms 8648 KB Output is correct
24 Correct 164 ms 8660 KB Output is correct
25 Correct 184 ms 8652 KB Output is correct
26 Correct 172 ms 8648 KB Output is correct
27 Correct 173 ms 8744 KB Output is correct
28 Correct 183 ms 8780 KB Output is correct
29 Correct 195 ms 8896 KB Output is correct
30 Correct 169 ms 8776 KB Output is correct
31 Correct 188 ms 8788 KB Output is correct
32 Correct 202 ms 8784 KB Output is correct
33 Correct 165 ms 8776 KB Output is correct
34 Correct 169 ms 8912 KB Output is correct
35 Correct 166 ms 8872 KB Output is correct
36 Correct 176 ms 8616 KB Output is correct
37 Correct 177 ms 8532 KB Output is correct
38 Correct 174 ms 8520 KB Output is correct
39 Correct 169 ms 8616 KB Output is correct
40 Correct 61 ms 2692 KB Output is correct
41 Correct 50 ms 2636 KB Output is correct
42 Correct 67 ms 2564 KB Output is correct
43 Correct 68 ms 2572 KB Output is correct
44 Correct 66 ms 2516 KB Output is correct
45 Correct 66 ms 2516 KB Output is correct
46 Correct 189 ms 8796 KB Output is correct
47 Correct 172 ms 8648 KB Output is correct
48 Correct 169 ms 8656 KB Output is correct
49 Correct 169 ms 8908 KB Output is correct
50 Correct 170 ms 8652 KB Output is correct
51 Correct 195 ms 8756 KB Output is correct
52 Correct 171 ms 8652 KB Output is correct
53 Correct 169 ms 8656 KB Output is correct
54 Correct 167 ms 8776 KB Output is correct
55 Correct 172 ms 8784 KB Output is correct
56 Correct 210 ms 8780 KB Output is correct
57 Correct 172 ms 8784 KB Output is correct
58 Correct 195 ms 8872 KB Output is correct
59 Correct 189 ms 8876 KB Output is correct
60 Correct 171 ms 8880 KB Output is correct
61 Correct 181 ms 8788 KB Output is correct
62 Correct 183 ms 8660 KB Output is correct
63 Correct 180 ms 8528 KB Output is correct
64 Correct 172 ms 8532 KB Output is correct
65 Correct 184 ms 8672 KB Output is correct