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Submission #536151

# Submission time Handle Problem Language Result Execution time Memory
536151 2022-03-12T13:37:29 Z OttoTheDino Toll (BOI17_toll) C++17
100 / 100
 189 ms 27156 KB 
#include <bits/stdc++.h>
using namespace std;

#define rep(i,s,e)                  for (int i = s; i <= e; ++i)
#define rrep(i,s,e)                 for (int i = s; i >= e; --i)
#define pb                          push_back
#define pf                          push_front
#define fi                          first
#define se                          second
#define all(a)                      a.begin(), a.end()
typedef long long ll;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<int> vi;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<ll> vll;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    int k, n, m, o; cin >> k >> n >> m >> o;
    int d[n/k+1][30][k][k];
    memset(d, -1, sizeof(d));

    rep (i,0,m-1) {
        int a, b, t; cin >> a >> b >> t;
        d[a/k][0][a%k][b%k] = t;
    }

    rep (i,1,29) {
        for (int j = 0; j/k+(1<<i) <= n/k; ++j) {

            rep (a,0,k-1) {
                rep (b,0,k-1) {
                    rep (c,0,k-1) {

                        int d1 = d[j/k][i-1][a][b];
                        int d2 = d[j/k+(1<<(i-1))][i-1][b][c];

                        if (min(d1,d2)==-1) continue;

                        if (d[j/k][i][a][c]==-1 || d[j/k][i][a][c]>d1+d2) d[j/k][i][a][c] = d1+d2;
                    }
                }
            }

        }
    }

    while (o--) {
        int a, b; cin >> a >> b;
        int g = b/k-a/k, l = 0;
        int ways[k], c = a/k;
        memset(ways, -1, 4*k);
        ways[a%k] = 0;
        while (g) {
            int new_ways[k];
            memset(new_ways, -1, 4*k);
            if (g%2) {
                rep (x,0,k-1) {
                    rep (y,0,k-1) {
                        if (min(d[c][l][x][y], ways[x])==-1) continue;

                        if (new_ways[y]==-1 || new_ways[y]>ways[x]+d[c][l][x][y])
                            new_ways[y] = ways[x]+d[c][l][x][y];
                    }
                }
                c += (1<<l);
                memcpy(ways, new_ways, 4*k);
            }
            l++;
            g/=2;
        }
        cout << ways[b%k] << "\n";
    }

    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 7112 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 33 ms 7092 KB Output is correct
9 Correct 27 ms 7072 KB Output is correct
10 Correct 14 ms 6308 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 13688 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 5 ms 504 KB Output is correct
8 Correct 5 ms 688 KB Output is correct
9 Correct 29 ms 7188 KB Output is correct
10 Correct 105 ms 20196 KB Output is correct
11 Correct 62 ms 13824 KB Output is correct
12 Correct 117 ms 19192 KB Output is correct
13 Correct 150 ms 20328 KB Output is correct
14 Correct 57 ms 12272 KB Output is correct
15 Correct 149 ms 19064 KB Output is correct
16 Correct 145 ms 19048 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 4 ms 852 KB Output is correct
9 Correct 3 ms 724 KB Output is correct
10 Correct 26 ms 6976 KB Output is correct
11 Correct 52 ms 13688 KB Output is correct
12 Correct 107 ms 20196 KB Output is correct
13 Correct 100 ms 20212 KB Output is correct
14 Correct 105 ms 19696 KB Output is correct
15 Correct 146 ms 19020 KB Output is correct
16 Correct 147 ms 19172 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 4 ms 852 KB Output is correct
9 Correct 3 ms 724 KB Output is correct
10 Correct 26 ms 6976 KB Output is correct
11 Correct 52 ms 13688 KB Output is correct
12 Correct 107 ms 20196 KB Output is correct
13 Correct 100 ms 20212 KB Output is correct
14 Correct 105 ms 19696 KB Output is correct
15 Correct 146 ms 19020 KB Output is correct
16 Correct 147 ms 19172 KB Output is correct
17 Correct 51 ms 13516 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 320 KB Output is correct
23 Correct 2 ms 464 KB Output is correct
24 Correct 3 ms 596 KB Output is correct
25 Correct 5 ms 980 KB Output is correct
26 Correct 4 ms 852 KB Output is correct
27 Correct 28 ms 7004 KB Output is correct
28 Correct 108 ms 20080 KB Output is correct
29 Correct 105 ms 20324 KB Output is correct
30 Correct 106 ms 19748 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 7112 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 33 ms 7092 KB Output is correct
9 Correct 27 ms 7072 KB Output is correct
10 Correct 14 ms 6308 KB Output is correct
11 Correct 61 ms 13688 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 5 ms 504 KB Output is correct
18 Correct 5 ms 688 KB Output is correct
19 Correct 29 ms 7188 KB Output is correct
20 Correct 105 ms 20196 KB Output is correct
21 Correct 62 ms 13824 KB Output is correct
22 Correct 117 ms 19192 KB Output is correct
23 Correct 150 ms 20328 KB Output is correct
24 Correct 57 ms 12272 KB Output is correct
25 Correct 149 ms 19064 KB Output is correct
26 Correct 145 ms 19048 KB Output is correct
27 Correct 1 ms 320 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 320 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 4 ms 852 KB Output is correct
35 Correct 3 ms 724 KB Output is correct
36 Correct 26 ms 6976 KB Output is correct
37 Correct 52 ms 13688 KB Output is correct
38 Correct 107 ms 20196 KB Output is correct
39 Correct 100 ms 20212 KB Output is correct
40 Correct 105 ms 19696 KB Output is correct
41 Correct 146 ms 19020 KB Output is correct
42 Correct 147 ms 19172 KB Output is correct
43 Correct 51 ms 13516 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 320 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 320 KB Output is correct
49 Correct 2 ms 464 KB Output is correct
50 Correct 3 ms 596 KB Output is correct
51 Correct 5 ms 980 KB Output is correct
52 Correct 4 ms 852 KB Output is correct
53 Correct 28 ms 7004 KB Output is correct
54 Correct 108 ms 20080 KB Output is correct
55 Correct 105 ms 20324 KB Output is correct
56 Correct 106 ms 19748 KB Output is correct
57 Correct 189 ms 27156 KB Output is correct
58 Correct 31 ms 7064 KB Output is correct
59 Correct 57 ms 13824 KB Output is correct