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Submission #699935

# Submission time Handle Problem Language Result Execution time Memory
699935 2023-02-18T11:15:23 Z Abrar_Al_Samit Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 81204 KB 
#include<bits/stdc++.h>
using namespace std;

const int nax = 3e4 + 3;
const int INF = 1e9;

int b[nax], p[nax];
vector<int>doges[nax];

unordered_map<long long,int>dist;

int get(int x, int y) {
  long long H = x * 10000000LL + y;
  if(dist.find(H)!=dist.end()) return dist[H];
  return INF;
}
void put(int x, int y, int val) {
  long long H = x * 10000000LL + y;
  dist[H] = val;
}
void PlayGround() {
  int n, m;
  cin>>n>>m;

  for(int i=0; i<m; ++i) {
    cin>>b[i]>>p[i];
    doges[b[i]].push_back(p[i]);
  }

  put(b[0], 0, 0);

  queue<tuple<int,int,int>>q;
  q.push({b[0], 0, 0});

  while(!q.empty()) {
    auto x = q.front();
    q.pop();
    int ss, j, d;
    tie(ss, j, d) = x;
    if(d!=get(ss, j)) continue;


    if(j==0) {
      for(int z : doges[ss]) {
        if(get(ss, z)>d) {
          put(ss, z, d);
          q.emplace(ss, z, d);
        }
      }
    } else {
      if(ss+j<n) {
        if(get(ss+j, j)>d+1) {
          put(ss+j, j, d+1);
          q.emplace(ss+j, j, d+1);
        }
        if(get(ss+j, 0)>d+1) {
          put(ss+j, 0, d+1);
          q.emplace(ss+j, 0, d+1);
        }
      }
      if(ss-j>=0) {
        if(get(ss-j, j)>d+1) {
          put(ss-j, j, d+1);
          q.emplace(ss-j, j, d+1);
        }
        if(get(ss-j, 0)>d+1) {
          put(ss-j, 0, d+1);
          q.emplace(ss-j, 0, d+1);
        }
      }
    }
  }
  int ans = get(b[1], 0);
  if(ans==INF) ans = -1;
  cout<<ans<<'\n';
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  PlayGround();
  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 980 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 2 ms 1348 KB Output is correct
15 Correct 2 ms 1236 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 976 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 980 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 2 ms 1236 KB Output is correct
15 Correct 2 ms 1236 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 5 ms 1620 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 1236 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 3 ms 1364 KB Output is correct
24 Correct 4 ms 1620 KB Output is correct
25 Correct 2 ms 1364 KB Output is correct
26 Correct 3 ms 1364 KB Output is correct
27 Correct 2 ms 1364 KB Output is correct
28 Correct 6 ms 2260 KB Output is correct
29 Correct 14 ms 3704 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 7 ms 2416 KB Output is correct
32 Correct 6 ms 2220 KB Output is correct
33 Correct 26 ms 6216 KB Output is correct
34 Correct 26 ms 6136 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 980 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 2 ms 1348 KB Output is correct
15 Correct 2 ms 1348 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 4 ms 1620 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 2 ms 1236 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 2 ms 1364 KB Output is correct
24 Correct 4 ms 1620 KB Output is correct
25 Correct 3 ms 1364 KB Output is correct
26 Correct 3 ms 1364 KB Output is correct
27 Correct 3 ms 1364 KB Output is correct
28 Correct 6 ms 2260 KB Output is correct
29 Correct 13 ms 3620 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 7 ms 2480 KB Output is correct
32 Correct 7 ms 2260 KB Output is correct
33 Correct 28 ms 6212 KB Output is correct
34 Correct 25 ms 6140 KB Output is correct
35 Correct 29 ms 6080 KB Output is correct
36 Correct 5 ms 1876 KB Output is correct
37 Correct 55 ms 10856 KB Output is correct
38 Correct 45 ms 7872 KB Output is correct
39 Correct 46 ms 7836 KB Output is correct
40 Correct 47 ms 7880 KB Output is correct
41 Correct 47 ms 7860 KB Output is correct
42 Correct 6 ms 1748 KB Output is correct
43 Correct 9 ms 1620 KB Output is correct
44 Correct 5 ms 1492 KB Output is correct
45 Correct 144 ms 22060 KB Output is correct
46 Correct 128 ms 22144 KB Output is correct

Subtask #5
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 980 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 2 ms 1236 KB Output is correct
15 Correct 2 ms 1236 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 4 ms 1620 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 2 ms 1236 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 2 ms 1364 KB Output is correct
24 Correct 4 ms 1620 KB Output is correct
25 Correct 3 ms 1364 KB Output is correct
26 Correct 3 ms 1364 KB Output is correct
27 Correct 2 ms 1364 KB Output is correct
28 Correct 7 ms 2260 KB Output is correct
29 Correct 12 ms 3708 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 8 ms 2480 KB Output is correct
32 Correct 6 ms 2132 KB Output is correct
33 Correct 25 ms 6216 KB Output is correct
34 Correct 30 ms 6200 KB Output is correct
35 Correct 29 ms 6048 KB Output is correct
36 Correct 5 ms 1876 KB Output is correct
37 Correct 56 ms 10816 KB Output is correct
38 Correct 45 ms 7844 KB Output is correct
39 Correct 45 ms 7872 KB Output is correct
40 Correct 47 ms 7896 KB Output is correct
41 Correct 49 ms 7892 KB Output is correct
42 Correct 6 ms 1748 KB Output is correct
43 Correct 6 ms 1748 KB Output is correct
44 Correct 7 ms 1492 KB Output is correct
45 Correct 127 ms 22096 KB Output is correct
46 Correct 138 ms 22036 KB Output is correct
47 Correct 450 ms 40932 KB Output is correct
48 Correct 5 ms 1632 KB Output is correct
49 Correct 5 ms 1620 KB Output is correct
50 Correct 3 ms 1492 KB Output is correct
51 Correct 137 ms 15432 KB Output is correct
52 Correct 186 ms 21064 KB Output is correct
53 Correct 30 ms 6848 KB Output is correct
54 Correct 4 ms 2316 KB Output is correct
55 Correct 7 ms 3248 KB Output is correct
56 Correct 14 ms 4716 KB Output is correct
57 Correct 180 ms 21092 KB Output is correct
58 Correct 19 ms 5988 KB Output is correct
59 Correct 27 ms 6724 KB Output is correct
60 Correct 36 ms 7452 KB Output is correct
61 Correct 31 ms 6972 KB Output is correct
62 Correct 224 ms 24116 KB Output is correct
63 Execution timed out 1094 ms 81204 KB Time limit exceeded
64 Halted 0 ms 0 KB -