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Submission #343377

# Submission time Handle Problem Language Result Execution time Memory
343377 2021-01-03T19:47:16 Z egekabas Toll (BOI17_toll) C++14
100 / 100
 287 ms 53996 KB 
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long   ll;
typedef unsigned long long   ull;
typedef long double ld;
typedef pair<ll, ll>    pll;
typedef pair<ull, ull>    pull;
typedef pair<int, int>  pii;
typedef pair<ld, ld>  pld;
int k, n, m, o;
vector<pii> g[50009];
vector<int> dis[50009][17];

int main() {
 
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
 
    //freopen("in.txt", "r", stdin);
    //freopen("out.txt", "w", stdout);

    cin >> k >> n >> m >> o;

    while(m--){
        int x, y, z;
        cin >> x >> y >> z;
        g[x].pb({y, z});
    }
    for(int i = n-1; i >= 0; --i){
        dis[i][0] = vector<int>(k, 1e9);
        for(auto u : g[i]){
            dis[i][0][u.ff%k] = u.ss;
            //cout << i << ' ' << u.ff%k << '\n';
        }
        for(int j = 1; j < 17; ++j){
            dis[i][j] = vector<int>(k, 1e9);
            for(int mn = 0; mn < k; ++mn)
                for(int en = 0; en < k; ++en){
                    int mval = (i/k+(1<<(j-1)))*k+mn;

                    if(mval <= n-1)
                        dis[i][j][en] = min(dis[i][j][en], dis[i][j-1][mn]+dis[mval][j-1][en]);
                }
        }
    }
    while(o--){
        int x, y;
        cin >> x >> y;
        vector<int> d(k, 1e9);
        d[x%k] = 0;
        int beg = x/k;
        int end = y/k;
        for(int i = 16; i >= 0; --i){
            if(beg + (1<<i) > end) continue;
            vector<int> nd(k, 1e9);
            for(int mn = 0; mn < k; ++mn){
                int mval = beg*k+mn;
                for(int en = 0; en < k; ++en)
                    nd[en] = min(nd[en], d[mn]+dis[mval][i][en]);
                
            }
            beg += (1<<i);
            d = nd;
        }
        if(d[y%k] == 1e9)
            cout << "-1\n";
        else
            cout << d[y%k] << '\n';
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 152 ms 50668 KB Output is correct
2 Correct 15 ms 21484 KB Output is correct
3 Correct 15 ms 21504 KB Output is correct
4 Correct 15 ms 21484 KB Output is correct
5 Correct 17 ms 21996 KB Output is correct
6 Correct 17 ms 21996 KB Output is correct
7 Correct 17 ms 22124 KB Output is correct
8 Correct 157 ms 50788 KB Output is correct
9 Correct 153 ms 50540 KB Output is correct
10 Correct 124 ms 48236 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 51308 KB Output is correct
2 Correct 15 ms 21484 KB Output is correct
3 Correct 15 ms 21484 KB Output is correct
4 Correct 14 ms 21504 KB Output is correct
5 Correct 16 ms 21612 KB Output is correct
6 Correct 15 ms 21504 KB Output is correct
7 Correct 20 ms 22124 KB Output is correct
8 Correct 22 ms 22252 KB Output is correct
9 Correct 141 ms 50540 KB Output is correct
10 Correct 212 ms 52736 KB Output is correct
11 Correct 163 ms 51436 KB Output is correct
12 Correct 183 ms 50924 KB Output is correct
13 Correct 215 ms 42476 KB Output is correct
14 Correct 128 ms 40428 KB Output is correct
15 Correct 174 ms 39964 KB Output is correct
16 Correct 174 ms 39936 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 21484 KB Output is correct
2 Correct 14 ms 21484 KB Output is correct
3 Correct 15 ms 21484 KB Output is correct
4 Correct 14 ms 21484 KB Output is correct
5 Correct 15 ms 21484 KB Output is correct
6 Correct 17 ms 21996 KB Output is correct
7 Correct 16 ms 22124 KB Output is correct
8 Correct 20 ms 22124 KB Output is correct
9 Correct 18 ms 22124 KB Output is correct
10 Correct 127 ms 50412 KB Output is correct
11 Correct 148 ms 51180 KB Output is correct
12 Correct 198 ms 52480 KB Output is correct
13 Correct 204 ms 53100 KB Output is correct
14 Correct 183 ms 51820 KB Output is correct
15 Correct 176 ms 39788 KB Output is correct
16 Correct 173 ms 39916 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 21484 KB Output is correct
2 Correct 14 ms 21484 KB Output is correct
3 Correct 15 ms 21484 KB Output is correct
4 Correct 14 ms 21484 KB Output is correct
5 Correct 15 ms 21484 KB Output is correct
6 Correct 17 ms 21996 KB Output is correct
7 Correct 16 ms 22124 KB Output is correct
8 Correct 20 ms 22124 KB Output is correct
9 Correct 18 ms 22124 KB Output is correct
10 Correct 127 ms 50412 KB Output is correct
11 Correct 148 ms 51180 KB Output is correct
12 Correct 198 ms 52480 KB Output is correct
13 Correct 204 ms 53100 KB Output is correct
14 Correct 183 ms 51820 KB Output is correct
15 Correct 176 ms 39788 KB Output is correct
16 Correct 173 ms 39916 KB Output is correct
17 Correct 165 ms 51308 KB Output is correct
18 Correct 15 ms 21500 KB Output is correct
19 Correct 14 ms 21484 KB Output is correct
20 Correct 14 ms 21484 KB Output is correct
21 Correct 15 ms 21484 KB Output is correct
22 Correct 15 ms 21612 KB Output is correct
23 Correct 18 ms 22124 KB Output is correct
24 Correct 18 ms 22124 KB Output is correct
25 Correct 21 ms 22124 KB Output is correct
26 Correct 20 ms 22124 KB Output is correct
27 Correct 134 ms 50540 KB Output is correct
28 Correct 204 ms 52716 KB Output is correct
29 Correct 205 ms 53120 KB Output is correct
30 Correct 191 ms 51948 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 152 ms 50668 KB Output is correct
2 Correct 15 ms 21484 KB Output is correct
3 Correct 15 ms 21504 KB Output is correct
4 Correct 15 ms 21484 KB Output is correct
5 Correct 17 ms 21996 KB Output is correct
6 Correct 17 ms 21996 KB Output is correct
7 Correct 17 ms 22124 KB Output is correct
8 Correct 157 ms 50788 KB Output is correct
9 Correct 153 ms 50540 KB Output is correct
10 Correct 124 ms 48236 KB Output is correct
11 Correct 157 ms 51308 KB Output is correct
12 Correct 15 ms 21484 KB Output is correct
13 Correct 15 ms 21484 KB Output is correct
14 Correct 14 ms 21504 KB Output is correct
15 Correct 16 ms 21612 KB Output is correct
16 Correct 15 ms 21504 KB Output is correct
17 Correct 20 ms 22124 KB Output is correct
18 Correct 22 ms 22252 KB Output is correct
19 Correct 141 ms 50540 KB Output is correct
20 Correct 212 ms 52736 KB Output is correct
21 Correct 163 ms 51436 KB Output is correct
22 Correct 183 ms 50924 KB Output is correct
23 Correct 215 ms 42476 KB Output is correct
24 Correct 128 ms 40428 KB Output is correct
25 Correct 174 ms 39964 KB Output is correct
26 Correct 174 ms 39936 KB Output is correct
27 Correct 14 ms 21484 KB Output is correct
28 Correct 14 ms 21484 KB Output is correct
29 Correct 15 ms 21484 KB Output is correct
30 Correct 14 ms 21484 KB Output is correct
31 Correct 15 ms 21484 KB Output is correct
32 Correct 17 ms 21996 KB Output is correct
33 Correct 16 ms 22124 KB Output is correct
34 Correct 20 ms 22124 KB Output is correct
35 Correct 18 ms 22124 KB Output is correct
36 Correct 127 ms 50412 KB Output is correct
37 Correct 148 ms 51180 KB Output is correct
38 Correct 198 ms 52480 KB Output is correct
39 Correct 204 ms 53100 KB Output is correct
40 Correct 183 ms 51820 KB Output is correct
41 Correct 176 ms 39788 KB Output is correct
42 Correct 173 ms 39916 KB Output is correct
43 Correct 165 ms 51308 KB Output is correct
44 Correct 15 ms 21500 KB Output is correct
45 Correct 14 ms 21484 KB Output is correct
46 Correct 14 ms 21484 KB Output is correct
47 Correct 15 ms 21484 KB Output is correct
48 Correct 15 ms 21612 KB Output is correct
49 Correct 18 ms 22124 KB Output is correct
50 Correct 18 ms 22124 KB Output is correct
51 Correct 21 ms 22124 KB Output is correct
52 Correct 20 ms 22124 KB Output is correct
53 Correct 134 ms 50540 KB Output is correct
54 Correct 204 ms 52716 KB Output is correct
55 Correct 205 ms 53120 KB Output is correct
56 Correct 191 ms 51948 KB Output is correct
57 Correct 287 ms 53996 KB Output is correct
58 Correct 155 ms 50668 KB Output is correct
59 Correct 173 ms 51564 KB Output is correct