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Submission #915806

# Submission time Handle Problem Language Result Execution time Memory
915806 2024-01-24T17:55:48 Z asdasdqwer Toll (BOI17_toll) C++14
100 / 100
 362 ms 69556 KB 
#include <bits/stdc++.h>
using namespace std;

#define int int64_t
const int INF = 1e14;

signed main() {
    int k,n,m,o;cin>>k>>n>>m>>o;
    int cl=(n/k)+1;
    vector<vector<vector<vector<int>>>> lft(cl, vector<vector<vector<int>>>(k, vector<vector<int>>(18, vector<int>(k, INF))));

    for (int i=0;i<m;i++) {
        int a,b,t;cin>>a>>b>>t;
        lft[a/k][a%k][0][b%k]=t;
    }

    for (int j=1;j<18;j++) {
        for (int i=0;i<cl;i++) {
            if (i + (1<<j) >= cl)break;
            
            for (int t=0;t<k;t++) {
                for (int md=0;md<k;md++) {
                    for (int tr=0;tr<k;tr++) {
                        lft[i][t][j][tr] = min(lft[i][t][j][tr], lft[i][t][j-1][md] + lft[i+(1<<(j-1))][md][j-1][tr]);
                    }
                }
            }
        }
    }

    while (o--) {
        int a,b;cin>>a>>b;

        if ((a/k) == (b/k)) {
            cout<<"-1\n";
            continue;
        }

        int rw = a/k, co=a%k;
        int steps = (b/k) - (a/k);
        vector<int> jmp(k);
        for (int i=0;i<k;i++) {
            jmp[i] = lft[rw][co][0][i];
        }

        steps--;
        rw++;

        int cnt=0;
        while (steps) {
            if ((steps&1)==1) {
                vector<int> tmpjmp(k, INF);
                for (int i=0;i<k;i++) {
                    // use i as a starting point

                    for (int j=0;j<k;j++) {
                        // use j as an ending point
                        tmpjmp[j] = min(tmpjmp[j], jmp[i] + lft[rw][i][cnt][j]);
                    }
                }

                jmp = tmpjmp;
                rw+=(1<<cnt);
            }

            steps>>=1;
            cnt++;
        }

        if (jmp[b%k] >= INF) {
            cout<<-1<<"\n";
            continue;
        }

        cout<<jmp[b%k]<<"\n";
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 53328 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 4 ms 1372 KB Output is correct
6 Correct 5 ms 1284 KB Output is correct
7 Correct 5 ms 1528 KB Output is correct
8 Correct 151 ms 53076 KB Output is correct
9 Correct 148 ms 53080 KB Output is correct
10 Correct 108 ms 53060 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 229 ms 52696 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 18 ms 1368 KB Output is correct
8 Correct 19 ms 1628 KB Output is correct
9 Correct 136 ms 54136 KB Output is correct
10 Correct 308 ms 54492 KB Output is correct
11 Correct 220 ms 54356 KB Output is correct
12 Correct 234 ms 53328 KB Output is correct
13 Correct 188 ms 42068 KB Output is correct
14 Correct 184 ms 32976 KB Output is correct
15 Correct 150 ms 41052 KB Output is correct
16 Correct 143 ms 41056 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 2 ms 1368 KB Output is correct
7 Correct 3 ms 1368 KB Output is correct
8 Correct 4 ms 1760 KB Output is correct
9 Correct 4 ms 1628 KB Output is correct
10 Correct 115 ms 53252 KB Output is correct
11 Correct 205 ms 52572 KB Output is correct
12 Correct 281 ms 52304 KB Output is correct
13 Correct 256 ms 52220 KB Output is correct
14 Correct 250 ms 52308 KB Output is correct
15 Correct 140 ms 39844 KB Output is correct
16 Correct 139 ms 39836 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 2 ms 1368 KB Output is correct
7 Correct 3 ms 1368 KB Output is correct
8 Correct 4 ms 1760 KB Output is correct
9 Correct 4 ms 1628 KB Output is correct
10 Correct 115 ms 53252 KB Output is correct
11 Correct 205 ms 52572 KB Output is correct
12 Correct 281 ms 52304 KB Output is correct
13 Correct 256 ms 52220 KB Output is correct
14 Correct 250 ms 52308 KB Output is correct
15 Correct 140 ms 39844 KB Output is correct
16 Correct 139 ms 39836 KB Output is correct
17 Correct 222 ms 52680 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 7 ms 1372 KB Output is correct
24 Correct 7 ms 1372 KB Output is correct
25 Correct 9 ms 1624 KB Output is correct
26 Correct 8 ms 1628 KB Output is correct
27 Correct 136 ms 53260 KB Output is correct
28 Correct 294 ms 52048 KB Output is correct
29 Correct 269 ms 52060 KB Output is correct
30 Correct 259 ms 54072 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 53328 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 4 ms 1372 KB Output is correct
6 Correct 5 ms 1284 KB Output is correct
7 Correct 5 ms 1528 KB Output is correct
8 Correct 151 ms 53076 KB Output is correct
9 Correct 148 ms 53080 KB Output is correct
10 Correct 108 ms 53060 KB Output is correct
11 Correct 229 ms 52696 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 18 ms 1368 KB Output is correct
18 Correct 19 ms 1628 KB Output is correct
19 Correct 136 ms 54136 KB Output is correct
20 Correct 308 ms 54492 KB Output is correct
21 Correct 220 ms 54356 KB Output is correct
22 Correct 234 ms 53328 KB Output is correct
23 Correct 188 ms 42068 KB Output is correct
24 Correct 184 ms 32976 KB Output is correct
25 Correct 150 ms 41052 KB Output is correct
26 Correct 143 ms 41056 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 2 ms 1368 KB Output is correct
33 Correct 3 ms 1368 KB Output is correct
34 Correct 4 ms 1760 KB Output is correct
35 Correct 4 ms 1628 KB Output is correct
36 Correct 115 ms 53252 KB Output is correct
37 Correct 205 ms 52572 KB Output is correct
38 Correct 281 ms 52304 KB Output is correct
39 Correct 256 ms 52220 KB Output is correct
40 Correct 250 ms 52308 KB Output is correct
41 Correct 140 ms 39844 KB Output is correct
42 Correct 139 ms 39836 KB Output is correct
43 Correct 222 ms 52680 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 7 ms 1372 KB Output is correct
50 Correct 7 ms 1372 KB Output is correct
51 Correct 9 ms 1624 KB Output is correct
52 Correct 8 ms 1628 KB Output is correct
53 Correct 136 ms 53260 KB Output is correct
54 Correct 294 ms 52048 KB Output is correct
55 Correct 269 ms 52060 KB Output is correct
56 Correct 259 ms 54072 KB Output is correct
57 Correct 362 ms 69556 KB Output is correct
58 Correct 148 ms 54208 KB Output is correct
59 Correct 247 ms 54360 KB Output is correct