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Submission #725326

# Submission time Handle Problem Language Result Execution time Memory
725326 2023-04-17T09:24:35 Z quiet_space Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 313 ms 112204 KB 
#include <bits/stdc++.h>
#define FOR(i,j,k) for(int i=j; i<=k; ++i)
#define ROF(i,j,k) for(int i=j; i>=k; --i)
inline int read (void) {
  int x = 0, f = 1, ch = getchar();
  while(!isdigit(ch)) { if(ch == '-') f = -f; ch = getchar(); }
  while(isdigit(ch)) { x = x * 10 + ch - '0'; ch = getchar(); }
  return x * f;
}
using tiii = std::tuple <int, int, int>;
const int maxn = 30005;
std::bitset <maxn> b[maxn];
std::vector <int> v[maxn];
std::queue <tiii> q;
int f[maxn];
int main (void) {
  int n = read(), m = read(), pos0, pos1;
  pos0 = read();
  v[pos0].push_back (read());
  pos1 = read();
  v[pos1].push_back (read());
  FOR(i,3,m) {
    int x = read(), y = read();
    v[x].push_back (y);
  }
  f[pos0] = 1;
  for(auto&it:v[pos0]) q.emplace (pos0, it, 1);
  while(!f[pos1] && !q.empty()) {
    int x, y, z; std::tie (x, y, z) = q.front(); q.pop();
    if(x + y < n && !b[x + y].test (y)) {
      b[x + y].set (y); q.emplace (x + y, y, z + 1);
      if(!f[x + y]) {
        f[x + y] = z + 1;
        for(auto&it:v[x + y]) q.emplace (x + y, it, z + 1);
      }
    }
    if(x - y >= 0 && !b[x - y].test (y)) {
      b[x - y].set (y); q.emplace (x - y, y, z + 1);
      if(!f[x - y]) {
        f[x - y] = z + 1;
        for(auto&it:v[x - y]) q.emplace (x - y, it, z + 1);
      }
    }
  }
  printf("%d\n", f[pos1] - 1);
  return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 1108 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 1236 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 1 ms 1364 KB Output is correct
15 Correct 1 ms 1364 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 1108 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 2 ms 1236 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 1 ms 1364 KB Output is correct
15 Correct 1 ms 1364 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 2 ms 3284 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 5 ms 8404 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 4 ms 6356 KB Output is correct
24 Correct 5 ms 7508 KB Output is correct
25 Correct 2 ms 2388 KB Output is correct
26 Correct 4 ms 7252 KB Output is correct
27 Correct 5 ms 7636 KB Output is correct
28 Correct 5 ms 8404 KB Output is correct
29 Correct 6 ms 8276 KB Output is correct
30 Correct 6 ms 8312 KB Output is correct
31 Correct 5 ms 8276 KB Output is correct
32 Correct 7 ms 8320 KB Output is correct
33 Correct 7 ms 8404 KB Output is correct
34 Correct 6 ms 8276 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 1108 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 1236 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 2 ms 1364 KB Output is correct
15 Correct 2 ms 1364 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 3 ms 3284 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 6 ms 8404 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 5 ms 6356 KB Output is correct
24 Correct 5 ms 7508 KB Output is correct
25 Correct 2 ms 2388 KB Output is correct
26 Correct 5 ms 7224 KB Output is correct
27 Correct 5 ms 7636 KB Output is correct
28 Correct 7 ms 8404 KB Output is correct
29 Correct 6 ms 8276 KB Output is correct
30 Correct 6 ms 8276 KB Output is correct
31 Correct 6 ms 8276 KB Output is correct
32 Correct 6 ms 8276 KB Output is correct
33 Correct 8 ms 8404 KB Output is correct
34 Correct 7 ms 8300 KB Output is correct
35 Correct 7 ms 6740 KB Output is correct
36 Correct 2 ms 2260 KB Output is correct
37 Correct 6 ms 5460 KB Output is correct
38 Correct 7 ms 7508 KB Output is correct
39 Correct 3 ms 1208 KB Output is correct
40 Correct 3 ms 1492 KB Output is correct
41 Correct 4 ms 2516 KB Output is correct
42 Correct 5 ms 7508 KB Output is correct
43 Correct 6 ms 8148 KB Output is correct
44 Correct 7 ms 8788 KB Output is correct
45 Correct 15 ms 9208 KB Output is correct
46 Correct 10 ms 9172 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 1108 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 1236 KB Output is correct
13 Correct 2 ms 1364 KB Output is correct
14 Correct 1 ms 1364 KB Output is correct
15 Correct 1 ms 1364 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 3 ms 3284 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 5 ms 8404 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 4 ms 6356 KB Output is correct
24 Correct 5 ms 7508 KB Output is correct
25 Correct 2 ms 2388 KB Output is correct
26 Correct 4 ms 7252 KB Output is correct
27 Correct 5 ms 7680 KB Output is correct
28 Correct 6 ms 8404 KB Output is correct
29 Correct 6 ms 8276 KB Output is correct
30 Correct 6 ms 8276 KB Output is correct
31 Correct 7 ms 8276 KB Output is correct
32 Correct 6 ms 8312 KB Output is correct
33 Correct 8 ms 8368 KB Output is correct
34 Correct 6 ms 8272 KB Output is correct
35 Correct 6 ms 6740 KB Output is correct
36 Correct 2 ms 2260 KB Output is correct
37 Correct 4 ms 5460 KB Output is correct
38 Correct 6 ms 7508 KB Output is correct
39 Correct 3 ms 1236 KB Output is correct
40 Correct 3 ms 1492 KB Output is correct
41 Correct 4 ms 2516 KB Output is correct
42 Correct 6 ms 7508 KB Output is correct
43 Correct 6 ms 8116 KB Output is correct
44 Correct 6 ms 8788 KB Output is correct
45 Correct 14 ms 9232 KB Output is correct
46 Correct 11 ms 9172 KB Output is correct
47 Correct 8 ms 9684 KB Output is correct
48 Correct 4 ms 1492 KB Output is correct
49 Correct 3 ms 1492 KB Output is correct
50 Correct 2 ms 1364 KB Output is correct
51 Correct 52 ms 76728 KB Output is correct
52 Correct 53 ms 83124 KB Output is correct
53 Correct 14 ms 17364 KB Output is correct
54 Correct 34 ms 61264 KB Output is correct
55 Correct 42 ms 77900 KB Output is correct
56 Correct 63 ms 112100 KB Output is correct
57 Correct 2 ms 2516 KB Output is correct
58 Correct 62 ms 111692 KB Output is correct
59 Correct 58 ms 103684 KB Output is correct
60 Correct 57 ms 103724 KB Output is correct
61 Correct 56 ms 98720 KB Output is correct
62 Correct 81 ms 112080 KB Output is correct
63 Correct 132 ms 111684 KB Output is correct
64 Correct 149 ms 111680 KB Output is correct
65 Correct 175 ms 111780 KB Output is correct
66 Correct 313 ms 112204 KB Output is correct
67 Correct 192 ms 111948 KB Output is correct