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Submission #739552

# Submission time Handle Problem Language Result Execution time Memory
739552 2023-05-10T15:47:49 Z Farhan_HY Autobus (COCI22_autobus) C++14
70 / 70
 483 ms 11328 KB 
#include <bits/stdc++.h>
#define int long long
#define F first 
#define S second 
#define T int tc; cin >> tc; while(tc--) 
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); 
using namespace std;
const int inf = 1e18;
const int N = 1e6 + 5;
const int M = 505; 
const int LOG = 32;
const int CHAR = 26;
const int mod = 1e9 + 7;
const int mod2 = 998244353;
const float pi = atan(1) * 4;
const int dx[] = {1, 1, 1, 0, 0, -1, -1, -1};
const int dy[] = {0, -1, 1, -1, 1, 0, -1, 1};
const char d[] = {'E', 'N', 'S', 'W'};
int n, m, k, q;
vector<pair<int, int>> adj[100];
priority_queue<pair<pair<int, int>, int>> pq;
int g[100][100], dist[100][100][100], ans[100][100];

void dij(int node) {
    for(int i = 1; i <= n; i++)
        for(int j = 0; j <= n; j++)
            dist[node][i][j] = inf;
    dist[node][node][0] = 0;
    pq.push({{0, 0}, node});
    while(!pq.empty()) {
        int u = pq.top().S;
        int w = -pq.top().F.F;
        int y = -pq.top().F.S;
        pq.pop();
        for(auto x: adj[u]) {
            if (dist[node][x.F][y + 1] > dist[node][u][y] + x.S) {
                dist[node][x.F][y + 1] = dist[node][u][y] + x.S;
                pq.push({{-dist[node][x.F][y + 1], -y - 1}, x.F});
            }
        }
    }
}

main() {
    IOS
    cin >> n >> m;
    for(int i = 1; i <= n; i++) for(int j = 1; j <= n; j++) g[i][j] = inf;
    for(int i = 1; i <= m; i++) {
        int u, v, w;
        cin >> u >> v >> w;
        g[u][v] = min(g[u][v], w);
    }
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            if (g[i][j] != inf) adj[i].push_back({j, g[i][j]});
    cin >> k >> q;
    k = min(k, n);
    for(int i = 1; i <= n; i++) {
        dij(i);
        for(int j = 1; j <= n; j++) {
            ans[i][j] = inf;
            for(int y = 0; y <= k; y++)
                ans[i][j] = min(ans[i][j], dist[i][j][y]);
            if (ans[i][j] == inf) ans[i][j] = -1;
        }
    }
    while(q--) {
        int u, v;
        cin >> u >> v;
        cout << ans[u][v] << '\n';
    }
}

Compilation message

Main.cpp: In function 'void dij(long long int)':
Main.cpp:32:13: warning: unused variable 'w' [-Wunused-variable]
   32 |         int w = -pq.top().F.F;
      |             ^
Main.cpp: At global scope:
Main.cpp:44:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   44 | main() {
      | ^~~~

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 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 4588 KB Output is correct
2 Correct 92 ms 4556 KB Output is correct
3 Correct 96 ms 4668 KB Output is correct
4 Correct 170 ms 4660 KB Output is correct
5 Correct 180 ms 4740 KB Output is correct
6 Correct 315 ms 4884 KB Output is correct
7 Correct 311 ms 4900 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 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 93 ms 4752 KB Output is correct
8 Correct 106 ms 4880 KB Output is correct
9 Correct 166 ms 4588 KB Output is correct
10 Correct 161 ms 4548 KB Output is correct
11 Correct 275 ms 4952 KB Output is correct
12 Correct 288 ms 4868 KB Output is correct
13 Correct 445 ms 4940 KB Output is correct
14 Correct 436 ms 5108 KB Output is correct
15 Correct 443 ms 4972 KB Output is correct
16 Correct 432 ms 5056 KB Output is correct
17 Correct 386 ms 4788 KB Output is correct
18 Correct 373 ms 4812 KB Output is correct
19 Correct 366 ms 4848 KB Output is correct
20 Correct 382 ms 4848 KB Output is correct
21 Correct 379 ms 4732 KB Output is correct
22 Correct 389 ms 4724 KB Output is correct
23 Correct 390 ms 4716 KB Output is correct
24 Correct 375 ms 4732 KB Output is correct
25 Correct 412 ms 4724 KB Output is correct
26 Correct 408 ms 4716 KB Output is correct
27 Correct 426 ms 4744 KB Output is correct
28 Correct 405 ms 4720 KB Output is correct
29 Correct 467 ms 5124 KB Output is correct
30 Correct 468 ms 5204 KB Output is correct
31 Correct 451 ms 5132 KB Output is correct
32 Correct 450 ms 5272 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 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 89 ms 4588 KB Output is correct
8 Correct 92 ms 4556 KB Output is correct
9 Correct 96 ms 4668 KB Output is correct
10 Correct 170 ms 4660 KB Output is correct
11 Correct 180 ms 4740 KB Output is correct
12 Correct 315 ms 4884 KB Output is correct
13 Correct 311 ms 4900 KB Output is correct
14 Correct 93 ms 4752 KB Output is correct
15 Correct 106 ms 4880 KB Output is correct
16 Correct 166 ms 4588 KB Output is correct
17 Correct 161 ms 4548 KB Output is correct
18 Correct 275 ms 4952 KB Output is correct
19 Correct 288 ms 4868 KB Output is correct
20 Correct 445 ms 4940 KB Output is correct
21 Correct 436 ms 5108 KB Output is correct
22 Correct 443 ms 4972 KB Output is correct
23 Correct 432 ms 5056 KB Output is correct
24 Correct 386 ms 4788 KB Output is correct
25 Correct 373 ms 4812 KB Output is correct
26 Correct 366 ms 4848 KB Output is correct
27 Correct 382 ms 4848 KB Output is correct
28 Correct 379 ms 4732 KB Output is correct
29 Correct 389 ms 4724 KB Output is correct
30 Correct 390 ms 4716 KB Output is correct
31 Correct 375 ms 4732 KB Output is correct
32 Correct 412 ms 4724 KB Output is correct
33 Correct 408 ms 4716 KB Output is correct
34 Correct 426 ms 4744 KB Output is correct
35 Correct 405 ms 4720 KB Output is correct
36 Correct 467 ms 5124 KB Output is correct
37 Correct 468 ms 5204 KB Output is correct
38 Correct 451 ms 5132 KB Output is correct
39 Correct 450 ms 5272 KB Output is correct
40 Correct 83 ms 4556 KB Output is correct
41 Correct 80 ms 4640 KB Output is correct
42 Correct 157 ms 4616 KB Output is correct
43 Correct 157 ms 4636 KB Output is correct
44 Correct 291 ms 5040 KB Output is correct
45 Correct 299 ms 5004 KB Output is correct
46 Correct 447 ms 11112 KB Output is correct
47 Correct 454 ms 11112 KB Output is correct
48 Correct 444 ms 11076 KB Output is correct
49 Correct 450 ms 11168 KB Output is correct
50 Correct 347 ms 11124 KB Output is correct
51 Correct 341 ms 10988 KB Output is correct
52 Correct 347 ms 11024 KB Output is correct
53 Correct 347 ms 11076 KB Output is correct
54 Correct 397 ms 10932 KB Output is correct
55 Correct 393 ms 10924 KB Output is correct
56 Correct 398 ms 10984 KB Output is correct
57 Correct 383 ms 10956 KB Output is correct
58 Correct 435 ms 11088 KB Output is correct
59 Correct 447 ms 11104 KB Output is correct
60 Correct 468 ms 11248 KB Output is correct
61 Correct 436 ms 11156 KB Output is correct
62 Correct 478 ms 11236 KB Output is correct
63 Correct 480 ms 11328 KB Output is correct
64 Correct 478 ms 11224 KB Output is correct
65 Correct 483 ms 11168 KB Output is correct