oj.uz

Submission #912329

# Submission time Handle Problem Language Result Execution time Memory
912329 2024-01-19T10:02:50 Z imarn Toll (BOI17_toll) C++14
100 / 100
 140 ms 167000 KB 
#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
#define vi vector<int>
using namespace std;
ll dp[50001][17][5][5];int k;
void pre(int i,int j,int ii,int jj,int iii,int jjj){
    for(int x=0;x<k;x++){
        for(int y=0;y<k;y++){
            for(int z=0;z<k;z++){
                dp[i][j][x][y]=min(dp[i][j][x][y],dp[ii][jj][x][z]+dp[iii][jjj][z][y]);
            }
        }
    }
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n,m,o;cin>>k>>n>>m>>o;
    for(int i=0;i<50001;i++)for(int j=0;j<17;j++)for(int t=0;t<5;t++)for(int l=0;l<5;l++)dp[i][j][t][l]=1e10;
    while(m--){
        int a,b,t;cin>>a>>b>>t;
        dp[a/k][0][a%k][b%k]=t;
    }
    for(int j=1;j<17;j++){
        for(int i=0;i+(1<<j)<(n+k-1)/k;i++){
            pre(i,j,i,j-1,i+(1<<j-1),j-1);
        }
    }ll ans[5]={0},tmp[5]={0};
    while(o--){
        int a,b;cin>>a>>b;for(int i=0;i<5;i++)ans[i]=1e10;ans[a%k]=0;
        int cur=a/k,dest=b/k;
        for(int i=16;i>=0;i--){
            if(cur+(1<<i)<=dest){
                for(int x=0;x<k;x++)tmp[x]=1e10;
                for(int y=0;y<k;y++){
                    for(int z=0;z<k;z++){
                        tmp[y]=min(tmp[y],ans[z]+dp[cur][i][z][y]);
                    }
                }for(int x=0;x<k;x++)ans[x]=tmp[x];
                cur+=(1<<i);
            }
        }cout<<(ans[b%k]>=1e10?-1:ans[b%k])<<'\n';
    }
}

Compilation message

toll.cpp: In function 'int main()':
toll.cpp:30:34: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   30 |             pre(i,j,i,j-1,i+(1<<j-1),j-1);
      |                                 ~^~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 166776 KB Output is correct
2 Correct 33 ms 166708 KB Output is correct
3 Correct 33 ms 166748 KB Output is correct
4 Correct 33 ms 166656 KB Output is correct
5 Correct 34 ms 166756 KB Output is correct
6 Correct 34 ms 166588 KB Output is correct
7 Correct 33 ms 166676 KB Output is correct
8 Correct 71 ms 166764 KB Output is correct
9 Correct 70 ms 166796 KB Output is correct
10 Correct 54 ms 166688 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 166772 KB Output is correct
2 Correct 33 ms 166708 KB Output is correct
3 Correct 33 ms 166712 KB Output is correct
4 Correct 32 ms 166748 KB Output is correct
5 Correct 32 ms 166724 KB Output is correct
6 Correct 31 ms 166544 KB Output is correct
7 Correct 37 ms 166736 KB Output is correct
8 Correct 34 ms 166748 KB Output is correct
9 Correct 67 ms 166776 KB Output is correct
10 Correct 98 ms 166772 KB Output is correct
11 Correct 136 ms 166780 KB Output is correct
12 Correct 92 ms 166764 KB Output is correct
13 Correct 76 ms 166980 KB Output is correct
14 Correct 75 ms 166776 KB Output is correct
15 Correct 58 ms 166776 KB Output is correct
16 Correct 73 ms 166780 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 166744 KB Output is correct
2 Correct 31 ms 166684 KB Output is correct
3 Correct 35 ms 166740 KB Output is correct
4 Correct 32 ms 166740 KB Output is correct
5 Correct 35 ms 166736 KB Output is correct
6 Correct 35 ms 166728 KB Output is correct
7 Correct 32 ms 166748 KB Output is correct
8 Correct 35 ms 166748 KB Output is correct
9 Correct 34 ms 166740 KB Output is correct
10 Correct 66 ms 166776 KB Output is correct
11 Correct 113 ms 166772 KB Output is correct
12 Correct 111 ms 166776 KB Output is correct
13 Correct 140 ms 166744 KB Output is correct
14 Correct 106 ms 167000 KB Output is correct
15 Correct 58 ms 166736 KB Output is correct
16 Correct 56 ms 166748 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 166744 KB Output is correct
2 Correct 31 ms 166684 KB Output is correct
3 Correct 35 ms 166740 KB Output is correct
4 Correct 32 ms 166740 KB Output is correct
5 Correct 35 ms 166736 KB Output is correct
6 Correct 35 ms 166728 KB Output is correct
7 Correct 32 ms 166748 KB Output is correct
8 Correct 35 ms 166748 KB Output is correct
9 Correct 34 ms 166740 KB Output is correct
10 Correct 66 ms 166776 KB Output is correct
11 Correct 113 ms 166772 KB Output is correct
12 Correct 111 ms 166776 KB Output is correct
13 Correct 140 ms 166744 KB Output is correct
14 Correct 106 ms 167000 KB Output is correct
15 Correct 58 ms 166736 KB Output is correct
16 Correct 56 ms 166748 KB Output is correct
17 Correct 107 ms 166800 KB Output is correct
18 Correct 31 ms 166736 KB Output is correct
19 Correct 32 ms 166748 KB Output is correct
20 Correct 31 ms 166580 KB Output is correct
21 Correct 32 ms 166740 KB Output is correct
22 Correct 32 ms 166748 KB Output is correct
23 Correct 33 ms 166740 KB Output is correct
24 Correct 33 ms 166772 KB Output is correct
25 Correct 34 ms 166740 KB Output is correct
26 Correct 34 ms 166748 KB Output is correct
27 Correct 62 ms 166776 KB Output is correct
28 Correct 86 ms 166800 KB Output is correct
29 Correct 88 ms 166748 KB Output is correct
30 Correct 98 ms 166736 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 166776 KB Output is correct
2 Correct 33 ms 166708 KB Output is correct
3 Correct 33 ms 166748 KB Output is correct
4 Correct 33 ms 166656 KB Output is correct
5 Correct 34 ms 166756 KB Output is correct
6 Correct 34 ms 166588 KB Output is correct
7 Correct 33 ms 166676 KB Output is correct
8 Correct 71 ms 166764 KB Output is correct
9 Correct 70 ms 166796 KB Output is correct
10 Correct 54 ms 166688 KB Output is correct
11 Correct 128 ms 166772 KB Output is correct
12 Correct 33 ms 166708 KB Output is correct
13 Correct 33 ms 166712 KB Output is correct
14 Correct 32 ms 166748 KB Output is correct
15 Correct 32 ms 166724 KB Output is correct
16 Correct 31 ms 166544 KB Output is correct
17 Correct 37 ms 166736 KB Output is correct
18 Correct 34 ms 166748 KB Output is correct
19 Correct 67 ms 166776 KB Output is correct
20 Correct 98 ms 166772 KB Output is correct
21 Correct 136 ms 166780 KB Output is correct
22 Correct 92 ms 166764 KB Output is correct
23 Correct 76 ms 166980 KB Output is correct
24 Correct 75 ms 166776 KB Output is correct
25 Correct 58 ms 166776 KB Output is correct
26 Correct 73 ms 166780 KB Output is correct
27 Correct 32 ms 166744 KB Output is correct
28 Correct 31 ms 166684 KB Output is correct
29 Correct 35 ms 166740 KB Output is correct
30 Correct 32 ms 166740 KB Output is correct
31 Correct 35 ms 166736 KB Output is correct
32 Correct 35 ms 166728 KB Output is correct
33 Correct 32 ms 166748 KB Output is correct
34 Correct 35 ms 166748 KB Output is correct
35 Correct 34 ms 166740 KB Output is correct
36 Correct 66 ms 166776 KB Output is correct
37 Correct 113 ms 166772 KB Output is correct
38 Correct 111 ms 166776 KB Output is correct
39 Correct 140 ms 166744 KB Output is correct
40 Correct 106 ms 167000 KB Output is correct
41 Correct 58 ms 166736 KB Output is correct
42 Correct 56 ms 166748 KB Output is correct
43 Correct 107 ms 166800 KB Output is correct
44 Correct 31 ms 166736 KB Output is correct
45 Correct 32 ms 166748 KB Output is correct
46 Correct 31 ms 166580 KB Output is correct
47 Correct 32 ms 166740 KB Output is correct
48 Correct 32 ms 166748 KB Output is correct
49 Correct 33 ms 166740 KB Output is correct
50 Correct 33 ms 166772 KB Output is correct
51 Correct 34 ms 166740 KB Output is correct
52 Correct 34 ms 166748 KB Output is correct
53 Correct 62 ms 166776 KB Output is correct
54 Correct 86 ms 166800 KB Output is correct
55 Correct 88 ms 166748 KB Output is correct
56 Correct 98 ms 166736 KB Output is correct
57 Correct 96 ms 166748 KB Output is correct
58 Correct 69 ms 166748 KB Output is correct
59 Correct 110 ms 166800 KB Output is correct