oj.uz

Submission #1113076

# Submission time Handle Problem Language Result Execution time Memory
1113076 2024-11-15T16:23:25 Z adaawf Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 859 ms 2640 KB 
#include <iostream>
#include <vector>
#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math,inline")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,lzcnt,mmx,abm,avx,avx2,fma")
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;
            }
        }
        if (p == k) break;
        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:40:37: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
   40 |                 f[j] = min(f[j], f[p] + l + 1);
      |                                  ~~~^
skyscraper.cpp:30:9: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
   30 |         if (p == k) break;
      |         ^~
skyscraper.cpp:21:10: warning: 'h' may be used uninitialized in this function [-Wmaybe-uninitialized]
   21 |     f[h] = 0;
      |     ~~~~~^~~

Subtask #1
10.0 / 10.0

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

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 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 1268 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 1104 KB Output is correct
10 Correct 1 ms 1104 KB Output is correct
11 Correct 1 ms 1104 KB Output is correct
12 Correct 1 ms 1104 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

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1272 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 2 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 1 ms 1104 KB Output is correct
11 Correct 2 ms 1268 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 1104 KB Output is correct
15 Correct 1 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 1216 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 3 ms 1208 KB Output is correct
23 Correct 3 ms 1104 KB Output is correct
24 Correct 4 ms 1104 KB Output is correct
25 Correct 2 ms 1104 KB Output is correct
26 Correct 4 ms 1104 KB Output is correct
27 Correct 4 ms 1104 KB Output is correct
28 Correct 4 ms 1104 KB Output is correct
29 Correct 4 ms 1104 KB Output is correct
30 Correct 3 ms 1104 KB Output is correct
31 Correct 4 ms 1104 KB Output is correct
32 Correct 4 ms 1104 KB Output is correct
33 Correct 4 ms 1104 KB Output is correct
34 Correct 4 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 2 ms 1104 KB Output is correct
3 Correct 1 ms 1272 KB Output is correct
4 Correct 2 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
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 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 5 ms 1104 KB Output is correct
21 Correct 2 ms 1104 KB Output is correct
22 Correct 3 ms 1104 KB Output is correct
23 Correct 3 ms 1104 KB Output is correct
24 Correct 4 ms 1104 KB Output is correct
25 Correct 2 ms 1104 KB Output is correct
26 Correct 4 ms 1104 KB Output is correct
27 Correct 3 ms 1104 KB Output is correct
28 Correct 5 ms 1328 KB Output is correct
29 Correct 4 ms 1104 KB Output is correct
30 Correct 4 ms 1104 KB Output is correct
31 Correct 4 ms 1104 KB Output is correct
32 Correct 4 ms 1272 KB Output is correct
33 Correct 4 ms 1104 KB Output is correct
34 Correct 3 ms 1104 KB Output is correct
35 Correct 6 ms 1336 KB Output is correct
36 Correct 2 ms 1104 KB Output is correct
37 Correct 6 ms 1360 KB Output is correct
38 Correct 6 ms 1360 KB Output is correct
39 Correct 5 ms 1532 KB Output is correct
40 Correct 5 ms 1360 KB Output is correct
41 Correct 5 ms 1360 KB Output is correct
42 Correct 6 ms 1360 KB Output is correct
43 Correct 6 ms 1360 KB Output is correct
44 Correct 45 ms 1360 KB Output is correct
45 Correct 8 ms 1532 KB Output is correct
46 Correct 7 ms 1360 KB Output is correct

Subtask #5
43.0 / 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 1104 KB Output is correct
4 Correct 2 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 1 ms 1104 KB Output is correct
9 Correct 1 ms 1104 KB Output is correct
10 Correct 1 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 1 ms 1104 KB Output is correct
15 Correct 2 ms 1272 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 1104 KB Output is correct
19 Correct 4 ms 1280 KB Output is correct
20 Correct 5 ms 1104 KB Output is correct
21 Correct 2 ms 1276 KB Output is correct
22 Correct 3 ms 1104 KB Output is correct
23 Correct 3 ms 1104 KB Output is correct
24 Correct 5 ms 1228 KB Output is correct
25 Correct 3 ms 1104 KB Output is correct
26 Correct 4 ms 1104 KB Output is correct
27 Correct 4 ms 1104 KB Output is correct
28 Correct 4 ms 1272 KB Output is correct
29 Correct 4 ms 1104 KB Output is correct
30 Correct 4 ms 1104 KB Output is correct
31 Correct 3 ms 1104 KB Output is correct
32 Correct 4 ms 1104 KB Output is correct
33 Correct 4 ms 1104 KB Output is correct
34 Correct 4 ms 1104 KB Output is correct
35 Correct 6 ms 1360 KB Output is correct
36 Correct 2 ms 1104 KB Output is correct
37 Correct 9 ms 1360 KB Output is correct
38 Correct 7 ms 1360 KB Output is correct
39 Correct 5 ms 1404 KB Output is correct
40 Correct 5 ms 1616 KB Output is correct
41 Correct 6 ms 1360 KB Output is correct
42 Correct 6 ms 1360 KB Output is correct
43 Correct 6 ms 1360 KB Output is correct
44 Correct 47 ms 1384 KB Output is correct
45 Correct 7 ms 1360 KB Output is correct
46 Correct 7 ms 1376 KB Output is correct
47 Correct 51 ms 1784 KB Output is correct
48 Correct 270 ms 1616 KB Output is correct
49 Correct 313 ms 1864 KB Output is correct
50 Correct 389 ms 1616 KB Output is correct
51 Correct 496 ms 1872 KB Output is correct
52 Correct 489 ms 2320 KB Output is correct
53 Correct 72 ms 2256 KB Output is correct
54 Correct 416 ms 1368 KB Output is correct
55 Correct 411 ms 1352 KB Output is correct
56 Correct 859 ms 2448 KB Output is correct
57 Correct 8 ms 1360 KB Output is correct
58 Correct 541 ms 1616 KB Output is correct
59 Correct 438 ms 1864 KB Output is correct
60 Correct 432 ms 1860 KB Output is correct
61 Correct 442 ms 1864 KB Output is correct
62 Correct 554 ms 2640 KB Output is correct
63 Correct 450 ms 1864 KB Output is correct
64 Correct 436 ms 1736 KB Output is correct
65 Correct 433 ms 1824 KB Output is correct
66 Correct 446 ms 1772 KB Output is correct
67 Correct 453 ms 1812 KB Output is correct