oj.uz

Submission #1113075

# Submission time Handle Problem Language Result Execution time Memory
1113075 2024-11-15T16:20:58 Z adaawf Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 2128 KB 
#include <iostream>
#include <vector>
using namespace std;
vector<int> g[30005];
int f[30005], da[30005];
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, m, h, k;
    cin >> n >> m;
    for (int i = 1; i <= m; i++) {
        int x, y;
        cin >> x >> y;
        if (i == 1) h = x;
        if (i == 2) k = x;
        g[x].push_back(y);
    }
    for (int i = 0; i < n; i++) f[i] = 1e9;
    f[h] = 0;
    for (int jj = 0; jj < n; jj++) {
        int p, mi = 1e9;
        for (int i = 0; i < n; i++) {
            if (da[i] == 0 && mi > f[i]) {
                mi = f[i];
                p = i;
            }
        }
        da[p] = 1;
        for (int w : g[p]) {
            int l = 0;
            for (int j = p - w; j >= 0; j -= w) {
                f[j] = min(f[j], f[p] + l + 1);
                l++;
            }
            l = 0;
            for (int j = p + w; j < n; j += w) {
                f[j] = min(f[j], f[p] + l + 1);
                l++;
            }
        }
    }
    if (f[k] == 1e9) cout << -1;
    else cout << f[k];
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:37:37: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
   37 |                 f[j] = min(f[j], f[p] + l + 1);
      |                                  ~~~^
skyscraper.cpp:42:12: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
   42 |     if (f[k] == 1e9) cout << -1;
      |         ~~~^
skyscraper.cpp:19:10: warning: 'h' may be used uninitialized in this function [-Wmaybe-uninitialized]
   19 |     f[h] = 0;
      |     ~~~~~^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1104 KB Output is correct
2 Correct 1 ms 1104 KB Output is correct
3 Correct 1 ms 1104 KB Output is correct
4 Correct 1 ms 1104 KB Output is correct
5 Correct 1 ms 1104 KB Output is correct
6 Correct 1 ms 1104 KB Output is correct
7 Correct 1 ms 1272 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1104 KB Output is correct
2 Correct 1 ms 1104 KB Output is correct
3 Correct 1 ms 1104 KB Output is correct
4 Correct 1 ms 1104 KB Output is correct
5 Correct 1 ms 1272 KB Output is correct
6 Correct 1 ms 1104 KB Output is correct
7 Correct 1 ms 1104 KB Output is correct
8 Correct 1 ms 1104 KB Output is correct
9 Correct 1 ms 1104 KB Output is correct
10 Correct 2 ms 1156 KB Output is correct
11 Correct 2 ms 1104 KB Output is correct
12 Correct 2 ms 1104 KB Output is correct
13 Correct 2 ms 1104 KB Output is correct
14 Correct 1 ms 1104 KB Output is correct
15 Correct 1 ms 1104 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1104 KB Output is correct
2 Correct 1 ms 1176 KB Output is correct
3 Correct 2 ms 1272 KB Output is correct
4 Correct 1 ms 1104 KB Output is correct
5 Correct 2 ms 1104 KB Output is correct
6 Correct 1 ms 1104 KB Output is correct
7 Correct 1 ms 1104 KB Output is correct
8 Correct 1 ms 1104 KB Output is correct
9 Correct 1 ms 1104 KB Output is correct
10 Correct 2 ms 1104 KB Output is correct
11 Correct 2 ms 1104 KB Output is correct
12 Correct 2 ms 1104 KB Output is correct
13 Correct 2 ms 1104 KB Output is correct
14 Correct 2 ms 1288 KB Output is correct
15 Correct 1 ms 1104 KB Output is correct
16 Correct 2 ms 1104 KB Output is correct
17 Correct 2 ms 1104 KB Output is correct
18 Correct 4 ms 1224 KB Output is correct
19 Correct 8 ms 1104 KB Output is correct
20 Correct 7 ms 1104 KB Output is correct
21 Correct 2 ms 1104 KB Output is correct
22 Correct 6 ms 1360 KB Output is correct
23 Correct 4 ms 1104 KB Output is correct
24 Correct 5 ms 1252 KB Output is correct
25 Correct 6 ms 1104 KB Output is correct
26 Correct 7 ms 1104 KB Output is correct
27 Correct 7 ms 1104 KB Output is correct
28 Correct 6 ms 1104 KB Output is correct
29 Correct 5 ms 1104 KB Output is correct
30 Correct 4 ms 1104 KB Output is correct
31 Correct 5 ms 1104 KB Output is correct
32 Correct 4 ms 1104 KB Output is correct
33 Correct 5 ms 1104 KB Output is correct
34 Correct 5 ms 1104 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1104 KB Output is correct
2 Correct 1 ms 1104 KB Output is correct
3 Correct 2 ms 1104 KB Output is correct
4 Correct 1 ms 1104 KB Output is correct
5 Correct 1 ms 1104 KB Output is correct
6 Correct 1 ms 1104 KB Output is correct
7 Correct 1 ms 1104 KB Output is correct
8 Correct 2 ms 1104 KB Output is correct
9 Correct 1 ms 1104 KB Output is correct
10 Correct 2 ms 1104 KB Output is correct
11 Correct 1 ms 1372 KB Output is correct
12 Correct 1 ms 1104 KB Output is correct
13 Correct 2 ms 1104 KB Output is correct
14 Correct 1 ms 1104 KB Output is correct
15 Correct 2 ms 1360 KB Output is correct
16 Correct 1 ms 1104 KB Output is correct
17 Correct 2 ms 1104 KB Output is correct
18 Correct 4 ms 1180 KB Output is correct
19 Correct 4 ms 1104 KB Output is correct
20 Correct 8 ms 1104 KB Output is correct
21 Correct 2 ms 1104 KB Output is correct
22 Correct 4 ms 1104 KB Output is correct
23 Correct 4 ms 1104 KB Output is correct
24 Correct 5 ms 1104 KB Output is correct
25 Correct 6 ms 1256 KB Output is correct
26 Correct 7 ms 1104 KB Output is correct
27 Correct 7 ms 1104 KB Output is correct
28 Correct 6 ms 1160 KB Output is correct
29 Correct 4 ms 1104 KB Output is correct
30 Correct 4 ms 1272 KB Output is correct
31 Correct 4 ms 1104 KB Output is correct
32 Correct 4 ms 1104 KB Output is correct
33 Correct 5 ms 1104 KB Output is correct
34 Correct 5 ms 1104 KB Output is correct
35 Correct 7 ms 1504 KB Output is correct
36 Correct 3 ms 1104 KB Output is correct
37 Correct 8 ms 1360 KB Output is correct
38 Correct 13 ms 1784 KB Output is correct
39 Correct 10 ms 1616 KB Output is correct
40 Correct 9 ms 1616 KB Output is correct
41 Correct 9 ms 1616 KB Output is correct
42 Correct 47 ms 1616 KB Output is correct
43 Correct 50 ms 1616 KB Output is correct
44 Correct 47 ms 1644 KB Output is correct
45 Correct 9 ms 1720 KB Output is correct
46 Correct 8 ms 1616 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1104 KB Output is correct
2 Correct 1 ms 1104 KB Output is correct
3 Correct 1 ms 1280 KB Output is correct
4 Correct 1 ms 1172 KB Output is correct
5 Correct 1 ms 1104 KB Output is correct
6 Correct 1 ms 1104 KB Output is correct
7 Correct 1 ms 1104 KB Output is correct
8 Correct 1 ms 1104 KB Output is correct
9 Correct 1 ms 1276 KB Output is correct
10 Correct 1 ms 1104 KB Output is correct
11 Correct 2 ms 1104 KB Output is correct
12 Correct 1 ms 1272 KB Output is correct
13 Correct 1 ms 1104 KB Output is correct
14 Correct 1 ms 1104 KB Output is correct
15 Correct 2 ms 1104 KB Output is correct
16 Correct 1 ms 1104 KB Output is correct
17 Correct 2 ms 1104 KB Output is correct
18 Correct 3 ms 1104 KB Output is correct
19 Correct 4 ms 1104 KB Output is correct
20 Correct 7 ms 1104 KB Output is correct
21 Correct 1 ms 1104 KB Output is correct
22 Correct 3 ms 1104 KB Output is correct
23 Correct 4 ms 1104 KB Output is correct
24 Correct 6 ms 1104 KB Output is correct
25 Correct 5 ms 1256 KB Output is correct
26 Correct 7 ms 1104 KB Output is correct
27 Correct 7 ms 1224 KB Output is correct
28 Correct 5 ms 1276 KB Output is correct
29 Correct 4 ms 1376 KB Output is correct
30 Correct 4 ms 1104 KB Output is correct
31 Correct 7 ms 1104 KB Output is correct
32 Correct 4 ms 1104 KB Output is correct
33 Correct 4 ms 1212 KB Output is correct
34 Correct 5 ms 1104 KB Output is correct
35 Correct 7 ms 1616 KB Output is correct
36 Correct 4 ms 1104 KB Output is correct
37 Correct 11 ms 1372 KB Output is correct
38 Correct 10 ms 1616 KB Output is correct
39 Correct 9 ms 1628 KB Output is correct
40 Correct 9 ms 1852 KB Output is correct
41 Correct 9 ms 1872 KB Output is correct
42 Correct 60 ms 1360 KB Output is correct
43 Correct 47 ms 1616 KB Output is correct
44 Correct 47 ms 1616 KB Output is correct
45 Correct 8 ms 1616 KB Output is correct
46 Correct 7 ms 1616 KB Output is correct
47 Correct 177 ms 1616 KB Output is correct
48 Correct 383 ms 1956 KB Output is correct
49 Correct 458 ms 1872 KB Output is correct
50 Correct 540 ms 1616 KB Output is correct
51 Execution timed out 1062 ms 2128 KB Time limit exceeded
52 Halted 0 ms 0 KB -