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Submission #549052

# Submission time Handle Problem Language Result Execution time Memory
549052 2022-04-15T03:37:57 Z czhang2718 Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 152 ms 262144 KB 
#include "bits/stdc++.h"
using namespace std;

typedef pair<int,int> pii;
#define f first
#define s second
#define nl '\n'
#define pb push_back
#define sz(x) (int) x.size()

const int N=30001;
const int B=175;
const int MX=10000000;
int n,m;
vector<int> v[N];
int P[N], x[N];
int dist[N][B];
bool done[N][B];
vector<pii> todo[MX+5];

int main(){
  cin.tie(0)->sync_with_stdio(0);

  cin >> n >> m;
  for(int i=0; i<m; i++){
    cin >> x[i] >> P[i];
    v[x[i]].push_back(i);
  }
  for(int i=0; i<n; i++){
    for(int j=0; j<B; j++) dist[i][j]=1e9;
  }
  dist[x[0]][0]=0;

  set<pair<int, pii>> s;

  auto go=[&](int i, int d, int b){
    for(int c:{i+b, i-b}){
      if(c<0 || c>=n) continue;
      if(d+1<dist[c][b]){
        dist[c][b]=d+1;
        todo[d+1].pb({c, b});
      }
      if(d+1<dist[c][0]){
        dist[c][0]=d+1;
        todo[d+1].pb({c, 0});
      }
    }
  };

  todo[0].pb({x[0], 0});
  int d=0;
  while(true){
    pii p;
    while(true){
      while(d<MX && !sz(todo[d])) d++;
      if(d==MX) break;
      p=todo[d].back();
      todo[d].pop_back();
      if(!done[p.f][p.s]) break;
    }
    if(d==MX) break;
    int a=p.f, b=p.s;
    done[a][b]=1;
    // cout << a << " " << b << nl;
    if(a==x[1]){
      cout << d; return 0;
    }
    if(!b){
      for(int i:v[a]){
        if(P[i]>=B){
          for(int j=a%P[i]; j<n; j+=P[i]){
            if(d+abs(j-a)/P[i]<dist[j][0]){
              dist[j][0]=d+abs(j-a)/P[i];
              todo[dist[j][0]].pb({j, 0});
            }
          }
        }
        else{
          go(a, d, P[i]);
        }
      }
    }
    else{
      go(a, d, b);
    }
  }
  cout << -1;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 235808 KB Output is correct
2 Correct 108 ms 235868 KB Output is correct
3 Correct 110 ms 235904 KB Output is correct
4 Correct 123 ms 235804 KB Output is correct
5 Correct 106 ms 235792 KB Output is correct
6 Correct 105 ms 235804 KB Output is correct
7 Correct 109 ms 235852 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 235788 KB Output is correct
2 Correct 106 ms 235820 KB Output is correct
3 Correct 108 ms 235852 KB Output is correct
4 Correct 125 ms 235872 KB Output is correct
5 Correct 107 ms 235944 KB Output is correct
6 Correct 107 ms 235880 KB Output is correct
7 Correct 111 ms 235804 KB Output is correct
8 Correct 129 ms 235868 KB Output is correct
9 Correct 108 ms 235852 KB Output is correct
10 Correct 109 ms 235976 KB Output is correct
11 Correct 108 ms 235920 KB Output is correct
12 Correct 116 ms 235980 KB Output is correct
13 Correct 106 ms 235928 KB Output is correct
14 Correct 108 ms 235976 KB Output is correct
15 Correct 112 ms 236108 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 235852 KB Output is correct
2 Correct 108 ms 235868 KB Output is correct
3 Correct 113 ms 235852 KB Output is correct
4 Correct 122 ms 235872 KB Output is correct
5 Correct 107 ms 235820 KB Output is correct
6 Correct 105 ms 235880 KB Output is correct
7 Correct 108 ms 235792 KB Output is correct
8 Correct 118 ms 235860 KB Output is correct
9 Correct 114 ms 235928 KB Output is correct
10 Correct 110 ms 235912 KB Output is correct
11 Correct 107 ms 235980 KB Output is correct
12 Correct 111 ms 235988 KB Output is correct
13 Correct 110 ms 235940 KB Output is correct
14 Correct 108 ms 235956 KB Output is correct
15 Correct 110 ms 236068 KB Output is correct
16 Correct 122 ms 236020 KB Output is correct
17 Correct 109 ms 236588 KB Output is correct
18 Correct 125 ms 236992 KB Output is correct
19 Correct 121 ms 237300 KB Output is correct
20 Correct 107 ms 237716 KB Output is correct
21 Correct 122 ms 236108 KB Output is correct
22 Correct 125 ms 237004 KB Output is correct
23 Correct 108 ms 237264 KB Output is correct
24 Correct 108 ms 237596 KB Output is correct
25 Correct 109 ms 237576 KB Output is correct
26 Correct 107 ms 237680 KB Output is correct
27 Correct 110 ms 237660 KB Output is correct
28 Correct 110 ms 238152 KB Output is correct
29 Correct 110 ms 238292 KB Output is correct
30 Correct 110 ms 237800 KB Output is correct
31 Correct 115 ms 238148 KB Output is correct
32 Correct 110 ms 237820 KB Output is correct
33 Correct 114 ms 238796 KB Output is correct
34 Correct 109 ms 238240 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 235752 KB Output is correct
2 Correct 107 ms 235852 KB Output is correct
3 Correct 110 ms 235756 KB Output is correct
4 Correct 127 ms 235872 KB Output is correct
5 Correct 106 ms 235852 KB Output is correct
6 Correct 110 ms 235872 KB Output is correct
7 Correct 106 ms 235756 KB Output is correct
8 Correct 107 ms 235792 KB Output is correct
9 Correct 122 ms 235832 KB Output is correct
10 Correct 120 ms 235848 KB Output is correct
11 Correct 112 ms 235936 KB Output is correct
12 Correct 108 ms 235904 KB Output is correct
13 Correct 115 ms 235984 KB Output is correct
14 Correct 108 ms 236012 KB Output is correct
15 Correct 107 ms 235980 KB Output is correct
16 Correct 126 ms 236072 KB Output is correct
17 Correct 108 ms 236504 KB Output is correct
18 Correct 124 ms 237104 KB Output is correct
19 Correct 124 ms 237284 KB Output is correct
20 Correct 112 ms 237784 KB Output is correct
21 Correct 125 ms 236196 KB Output is correct
22 Correct 125 ms 237056 KB Output is correct
23 Correct 113 ms 237200 KB Output is correct
24 Correct 109 ms 237568 KB Output is correct
25 Correct 109 ms 237584 KB Output is correct
26 Correct 108 ms 237644 KB Output is correct
27 Correct 110 ms 237700 KB Output is correct
28 Correct 110 ms 238156 KB Output is correct
29 Correct 110 ms 238284 KB Output is correct
30 Correct 109 ms 237704 KB Output is correct
31 Correct 110 ms 238132 KB Output is correct
32 Correct 110 ms 237900 KB Output is correct
33 Correct 111 ms 238872 KB Output is correct
34 Correct 109 ms 238284 KB Output is correct
35 Correct 111 ms 237628 KB Output is correct
36 Correct 110 ms 236804 KB Output is correct
37 Correct 110 ms 237872 KB Output is correct
38 Correct 115 ms 238064 KB Output is correct
39 Correct 113 ms 237732 KB Output is correct
40 Correct 115 ms 237880 KB Output is correct
41 Correct 117 ms 238144 KB Output is correct
42 Correct 112 ms 237964 KB Output is correct
43 Correct 113 ms 237968 KB Output is correct
44 Correct 114 ms 237972 KB Output is correct
45 Correct 121 ms 240884 KB Output is correct
46 Correct 116 ms 239312 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 106 ms 235868 KB Output is correct
2 Correct 108 ms 235852 KB Output is correct
3 Correct 121 ms 235820 KB Output is correct
4 Correct 123 ms 235856 KB Output is correct
5 Correct 110 ms 235836 KB Output is correct
6 Correct 111 ms 235812 KB Output is correct
7 Correct 109 ms 235852 KB Output is correct
8 Correct 110 ms 235868 KB Output is correct
9 Correct 108 ms 235864 KB Output is correct
10 Correct 112 ms 235908 KB Output is correct
11 Correct 110 ms 235876 KB Output is correct
12 Correct 110 ms 235984 KB Output is correct
13 Correct 111 ms 235964 KB Output is correct
14 Correct 108 ms 236060 KB Output is correct
15 Correct 108 ms 236020 KB Output is correct
16 Correct 129 ms 235980 KB Output is correct
17 Correct 109 ms 236592 KB Output is correct
18 Correct 129 ms 237072 KB Output is correct
19 Correct 122 ms 237416 KB Output is correct
20 Correct 114 ms 237644 KB Output is correct
21 Correct 122 ms 236168 KB Output is correct
22 Correct 125 ms 237100 KB Output is correct
23 Correct 108 ms 237212 KB Output is correct
24 Correct 109 ms 237588 KB Output is correct
25 Correct 112 ms 237564 KB Output is correct
26 Correct 110 ms 237784 KB Output is correct
27 Correct 113 ms 237600 KB Output is correct
28 Correct 121 ms 238320 KB Output is correct
29 Correct 112 ms 238296 KB Output is correct
30 Correct 111 ms 237744 KB Output is correct
31 Correct 109 ms 238028 KB Output is correct
32 Correct 111 ms 237848 KB Output is correct
33 Correct 112 ms 238840 KB Output is correct
34 Correct 128 ms 238256 KB Output is correct
35 Correct 113 ms 237624 KB Output is correct
36 Correct 115 ms 236788 KB Output is correct
37 Correct 111 ms 237908 KB Output is correct
38 Correct 113 ms 238028 KB Output is correct
39 Correct 114 ms 237660 KB Output is correct
40 Correct 113 ms 237760 KB Output is correct
41 Correct 117 ms 238156 KB Output is correct
42 Correct 111 ms 238028 KB Output is correct
43 Correct 118 ms 238060 KB Output is correct
44 Correct 130 ms 238048 KB Output is correct
45 Correct 131 ms 241024 KB Output is correct
46 Correct 123 ms 239340 KB Output is correct
47 Correct 152 ms 247240 KB Output is correct
48 Correct 137 ms 252364 KB Output is correct
49 Correct 133 ms 253820 KB Output is correct
50 Correct 143 ms 255420 KB Output is correct
51 Runtime error 113 ms 262144 KB Execution killed with signal 9
52 Halted 0 ms 0 KB -