oj.uz

Submission #169593

# Submission time Handle Problem Language Result Execution time Memory
169593 2019-12-21T09:32:21 Z Milki Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 264 ms 64756 KB 
#include<bits/stdc++.h>
using namespace std;

#define FOR(i, a, b) for(int i = a; i < b; ++i)
#define REP(i, n) FOR(i, 0, n)
#define _ << " " <<
#define sz(x) ((int) x.size())
#define pb(x) push_back(x)
#define TRACE(x) cerr << #x << " = " << x << endl

typedef long long ll;
typedef pair<int, int> point;

const int mod = 1e9 + 7;

int add(int x, int y) {x += y; if(x >= mod) return x - mod; return x;}
int sub(int x, int y) {x -= y; if(x < 0) return x + mod; return x;}
int mul(int x, int y) {return (ll) x * y % mod;}

const int MAXN = 3e4 + 5;

int n, m, dist[MAXN], start[MAXN];
set<int> S[MAXN];
vector <point> E[MAXN];

void update(int pos, int range){
  int cnt = 1;
  for(int i = pos + range; i < n; i += range){
    E[pos].pb(point(i, cnt));
    cnt ++;

    if(S[i].find(range) != S[i].end()) break;
  }

  cnt = 1;
  for(int i = pos - range; i >= 0; i -= range){
    E[pos].pb(point(i, cnt));
    cnt ++;

    if(S[i].find(range) != S[i].end()) break;
  }
}

const int inf = 1e9;

int dijkstra(){
  priority_queue <point> Q;
  Q.push(point(0, start[0]));
  vector <int> d(MAXN, inf);
  d[start[0]] = 0;

  while(!Q.empty()){
    auto tmp = Q.top(); Q.pop();
    int distance = -tmp.first;
    int cvor = tmp.second;
    d[cvor] = distance;

    if(cvor == start[1]) break;

    for(auto e : E[cvor]){
      int ncvor = e.first;
      int ndist = distance + e.second;
      if(ndist < d[ncvor]){
        d[ncvor] = ndist;
        Q.push(point(-ndist, ncvor));
      }
    }
  }
  if(d[start[1]] == inf) return -1;
  else return d[start[1]];
}

int main(){
  ios_base::sync_with_stdio(false); cin.tie(0);

  cin >> n >> m;
  REP(i, m)
    cin >> start[i] >> dist[i];
  REP(i, m)
    if(start[i] != start[1])
      S[start[i]].insert(dist[i]);

  REP(i, n){
    if(i == start[1]) continue;
    for(auto it : S[i])
      update(i, it);
  }
  cout << dijkstra();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2556 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2556 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct
8 Correct 4 ms 2552 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 4 ms 2552 KB Output is correct
11 Correct 5 ms 2680 KB Output is correct
12 Correct 4 ms 2552 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 5 ms 2808 KB Output is correct
15 Correct 5 ms 2808 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct
8 Correct 4 ms 2552 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 7 ms 2552 KB Output is correct
11 Correct 5 ms 2680 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2552 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 6 ms 2808 KB Output is correct
16 Correct 5 ms 2680 KB Output is correct
17 Correct 5 ms 2808 KB Output is correct
18 Correct 5 ms 2680 KB Output is correct
19 Correct 4 ms 2680 KB Output is correct
20 Correct 5 ms 2808 KB Output is correct
21 Correct 4 ms 2684 KB Output is correct
22 Correct 4 ms 2680 KB Output is correct
23 Correct 5 ms 2680 KB Output is correct
24 Correct 5 ms 2936 KB Output is correct
25 Correct 5 ms 2804 KB Output is correct
26 Correct 5 ms 2808 KB Output is correct
27 Correct 5 ms 2684 KB Output is correct
28 Correct 5 ms 2936 KB Output is correct
29 Correct 7 ms 3448 KB Output is correct
30 Correct 5 ms 2936 KB Output is correct
31 Correct 6 ms 3064 KB Output is correct
32 Correct 5 ms 2936 KB Output is correct
33 Correct 9 ms 3956 KB Output is correct
34 Correct 8 ms 3956 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct
8 Correct 4 ms 2628 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 5 ms 2760 KB Output is correct
12 Correct 4 ms 2552 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 5 ms 2808 KB Output is correct
15 Correct 5 ms 2808 KB Output is correct
16 Correct 5 ms 2680 KB Output is correct
17 Correct 5 ms 2936 KB Output is correct
18 Correct 5 ms 2680 KB Output is correct
19 Correct 4 ms 2680 KB Output is correct
20 Correct 5 ms 2680 KB Output is correct
21 Correct 4 ms 2680 KB Output is correct
22 Correct 4 ms 2680 KB Output is correct
23 Correct 5 ms 2680 KB Output is correct
24 Correct 6 ms 2936 KB Output is correct
25 Correct 5 ms 2812 KB Output is correct
26 Correct 5 ms 2680 KB Output is correct
27 Correct 5 ms 2680 KB Output is correct
28 Correct 5 ms 2936 KB Output is correct
29 Correct 7 ms 3576 KB Output is correct
30 Correct 5 ms 2936 KB Output is correct
31 Correct 6 ms 3064 KB Output is correct
32 Correct 5 ms 2936 KB Output is correct
33 Correct 9 ms 3956 KB Output is correct
34 Correct 7 ms 3956 KB Output is correct
35 Correct 24 ms 5240 KB Output is correct
36 Correct 7 ms 3192 KB Output is correct
37 Correct 29 ms 5840 KB Output is correct
38 Correct 32 ms 6264 KB Output is correct
39 Correct 33 ms 6136 KB Output is correct
40 Correct 31 ms 6312 KB Output is correct
41 Correct 32 ms 6268 KB Output is correct
42 Correct 10 ms 3120 KB Output is correct
43 Correct 9 ms 3064 KB Output is correct
44 Correct 9 ms 3192 KB Output is correct
45 Correct 33 ms 8696 KB Output is correct
46 Correct 32 ms 8696 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2500 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 4 ms 2552 KB Output is correct
11 Correct 5 ms 2808 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2552 KB Output is correct
14 Correct 5 ms 2808 KB Output is correct
15 Correct 5 ms 2796 KB Output is correct
16 Correct 5 ms 2728 KB Output is correct
17 Correct 5 ms 2936 KB Output is correct
18 Correct 4 ms 2680 KB Output is correct
19 Correct 4 ms 2680 KB Output is correct
20 Correct 5 ms 2680 KB Output is correct
21 Correct 4 ms 2680 KB Output is correct
22 Correct 4 ms 2680 KB Output is correct
23 Correct 5 ms 2800 KB Output is correct
24 Correct 6 ms 2936 KB Output is correct
25 Correct 5 ms 2808 KB Output is correct
26 Correct 5 ms 2808 KB Output is correct
27 Correct 5 ms 2680 KB Output is correct
28 Correct 5 ms 2936 KB Output is correct
29 Correct 7 ms 3448 KB Output is correct
30 Correct 5 ms 2936 KB Output is correct
31 Correct 6 ms 3064 KB Output is correct
32 Correct 6 ms 2936 KB Output is correct
33 Correct 9 ms 3956 KB Output is correct
34 Correct 8 ms 3956 KB Output is correct
35 Correct 24 ms 5240 KB Output is correct
36 Correct 6 ms 3064 KB Output is correct
37 Correct 27 ms 5884 KB Output is correct
38 Correct 32 ms 6236 KB Output is correct
39 Correct 31 ms 6264 KB Output is correct
40 Correct 33 ms 6264 KB Output is correct
41 Correct 31 ms 6264 KB Output is correct
42 Correct 10 ms 3192 KB Output is correct
43 Correct 9 ms 3064 KB Output is correct
44 Correct 9 ms 3192 KB Output is correct
45 Correct 35 ms 8824 KB Output is correct
46 Correct 32 ms 8824 KB Output is correct
47 Correct 55 ms 13120 KB Output is correct
48 Correct 23 ms 6516 KB Output is correct
49 Correct 19 ms 5496 KB Output is correct
50 Correct 16 ms 5112 KB Output is correct
51 Correct 41 ms 8576 KB Output is correct
52 Correct 44 ms 8952 KB Output is correct
53 Correct 19 ms 5420 KB Output is correct
54 Correct 6 ms 2940 KB Output is correct
55 Correct 7 ms 3316 KB Output is correct
56 Correct 18 ms 5368 KB Output is correct
57 Correct 23 ms 11512 KB Output is correct
58 Correct 12 ms 3824 KB Output is correct
59 Correct 16 ms 4340 KB Output is correct
60 Correct 15 ms 4852 KB Output is correct
61 Correct 16 ms 4088 KB Output is correct
62 Correct 38 ms 9336 KB Output is correct
63 Correct 97 ms 25324 KB Output is correct
64 Correct 96 ms 28908 KB Output is correct
65 Correct 128 ms 38128 KB Output is correct
66 Correct 264 ms 64756 KB Output is correct
67 Correct 235 ms 64736 KB Output is correct