oj.uz

답안 #240092

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
240092 2020-06-18T02:17:57 Z neihcr7j Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 385 ms 262144 KB 
#include<bits/stdc++.h>
 
#define oo 1000000000
#define maxm 3000000
#define maxn 50005
#define block 250
 
using namespace std;
typedef long long ll;
 
int n, m;
int b[maxn], p[maxn];
 
vector < pair < int, int > > g[maxm];
 
int node(int u, int x) {return x * n + u;}
int inode(int x) {return x % n;}
int dnode(int x) {return (x - inode(x)) / n;}
 
int dist[maxm];
 
int dijkstra() {
  priority_queue < pair < int, int > > p;
 
  fill(dist, dist + maxm, oo);
 
  dist[b[0]] = 0;
  p.push({0, b[0]});
 
  while (!p.empty()) {
    int u = p.top().second; p.pop();
 
    for (auto i : g[u]) {
      int v = i.first, w = i.second;
 
      if (dist[v] > dist[u] + w) {
       // cerr << u << ' ' << v << ' ' << w << '\n';
        dist[v] = dist[u] + w;
        p.push({-dist[v], v});
      }
    }
  }
 
  //for (int i = 0; i < 25; ++i)
    //cerr << i << ' ' << dist[i] << '\n';
  return (dist[b[1]] != oo ? dist[b[1]] : -1);
}
 
int main(){
 
  #define TASK "ABC"
//	freopen(TASK".inp", "r", stdin); freopen(TASK".out", "w", stdout);
  ios_base::sync_with_stdio(0);
 
  cin >> n >> m;
 
  for (int i = 0; i < m; ++i)
    cin >> b[i] >> p[i];
 
  for (int j = 1; j <= block; ++j)
    for (int i = j; i < n; ++i)
      g[node(i, j)].push_back({node(i - j, j), 1});
 
  for (int j = 1; j <= block; ++j)
    for (int i = 0; i + j < n; ++i)
      g[node(i, j)].push_back({node(i + j, j), 1});
 
  for (int i = 0; i < n; ++i)
    for (int j = 1; j <= block; ++j)
      g[node(i, j)].push_back({i, 0});
 
  for (int i = 0; i < m; ++i)
    if (p[i] <= block)
      g[b[i]].push_back({node(b[i], p[i]), 0});
 
 
  for (int i = 0; i < m; ++i)
    if (p[i] > block)
      for (int j = b[i] % p[i]; j < n; j += p[i])
        if (i != j)
          g[b[i]].push_back({j, abs(j - b[i]) / p[i]});
 
  //for (int i = 0; i < 10; ++i)
   // for (auto j : g[i])
   //   cerr << i << ' ' << j.first << ' ' << j.second << '\n';
  cout << dijkstra();
 
  return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 54 ms 82552 KB Output is correct
2 Correct 61 ms 82552 KB Output is correct
3 Correct 53 ms 82560 KB Output is correct
4 Correct 53 ms 82560 KB Output is correct
5 Correct 54 ms 82680 KB Output is correct
6 Correct 53 ms 82680 KB Output is correct
7 Correct 53 ms 82680 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 54 ms 82552 KB Output is correct
2 Correct 52 ms 82576 KB Output is correct
3 Correct 53 ms 82552 KB Output is correct
4 Correct 61 ms 82552 KB Output is correct
5 Correct 54 ms 82664 KB Output is correct
6 Correct 57 ms 82580 KB Output is correct
7 Correct 53 ms 82560 KB Output is correct
8 Correct 55 ms 82808 KB Output is correct
9 Correct 56 ms 83072 KB Output is correct
10 Correct 56 ms 83424 KB Output is correct
11 Correct 59 ms 83448 KB Output is correct
12 Correct 64 ms 83448 KB Output is correct
13 Correct 58 ms 83452 KB Output is correct
14 Correct 59 ms 83448 KB Output is correct
15 Correct 56 ms 83448 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 53 ms 82560 KB Output is correct
2 Correct 60 ms 82552 KB Output is correct
3 Correct 53 ms 82552 KB Output is correct
4 Correct 54 ms 82552 KB Output is correct
5 Correct 54 ms 82552 KB Output is correct
6 Correct 52 ms 82552 KB Output is correct
7 Correct 53 ms 82680 KB Output is correct
8 Correct 63 ms 82808 KB Output is correct
9 Correct 55 ms 82936 KB Output is correct
10 Correct 55 ms 83424 KB Output is correct
11 Correct 57 ms 83448 KB Output is correct
12 Correct 63 ms 83448 KB Output is correct
13 Correct 57 ms 83448 KB Output is correct
14 Correct 56 ms 83448 KB Output is correct
15 Correct 57 ms 83448 KB Output is correct
16 Correct 59 ms 84344 KB Output is correct
17 Correct 90 ms 90488 KB Output is correct
18 Correct 155 ms 102648 KB Output is correct
19 Correct 167 ms 105720 KB Output is correct
20 Correct 175 ms 105976 KB Output is correct
21 Correct 67 ms 86264 KB Output is correct
22 Correct 146 ms 103032 KB Output is correct
23 Correct 144 ms 100984 KB Output is correct
24 Correct 162 ms 104568 KB Output is correct
25 Correct 160 ms 105720 KB Output is correct
26 Correct 194 ms 105720 KB Output is correct
27 Correct 198 ms 105852 KB Output is correct
28 Correct 177 ms 105720 KB Output is correct
29 Correct 201 ms 105720 KB Output is correct
30 Correct 194 ms 105720 KB Output is correct
31 Correct 202 ms 105864 KB Output is correct
32 Correct 212 ms 105720 KB Output is correct
33 Correct 233 ms 105848 KB Output is correct
34 Correct 209 ms 105720 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 53 ms 82560 KB Output is correct
2 Correct 53 ms 82552 KB Output is correct
3 Correct 52 ms 82552 KB Output is correct
4 Correct 53 ms 82552 KB Output is correct
5 Correct 54 ms 82552 KB Output is correct
6 Correct 65 ms 82552 KB Output is correct
7 Correct 54 ms 82680 KB Output is correct
8 Correct 56 ms 82824 KB Output is correct
9 Correct 55 ms 82936 KB Output is correct
10 Correct 59 ms 83320 KB Output is correct
11 Correct 64 ms 83448 KB Output is correct
12 Correct 55 ms 83448 KB Output is correct
13 Correct 56 ms 83448 KB Output is correct
14 Correct 56 ms 83456 KB Output is correct
15 Correct 68 ms 83448 KB Output is correct
16 Correct 64 ms 84344 KB Output is correct
17 Correct 88 ms 90488 KB Output is correct
18 Correct 169 ms 102648 KB Output is correct
19 Correct 166 ms 105848 KB Output is correct
20 Correct 170 ms 105848 KB Output is correct
21 Correct 67 ms 86392 KB Output is correct
22 Correct 146 ms 103032 KB Output is correct
23 Correct 135 ms 100856 KB Output is correct
24 Correct 158 ms 104568 KB Output is correct
25 Correct 171 ms 105848 KB Output is correct
26 Correct 194 ms 105720 KB Output is correct
27 Correct 209 ms 105848 KB Output is correct
28 Correct 184 ms 105720 KB Output is correct
29 Correct 206 ms 105720 KB Output is correct
30 Correct 211 ms 105848 KB Output is correct
31 Correct 203 ms 105720 KB Output is correct
32 Correct 199 ms 105720 KB Output is correct
33 Correct 218 ms 105892 KB Output is correct
34 Correct 213 ms 105848 KB Output is correct
35 Correct 173 ms 99704 KB Output is correct
36 Correct 123 ms 94712 KB Output is correct
37 Correct 266 ms 106104 KB Output is correct
38 Correct 242 ms 107080 KB Output is correct
39 Correct 234 ms 106872 KB Output is correct
40 Correct 235 ms 107128 KB Output is correct
41 Correct 234 ms 107068 KB Output is correct
42 Correct 202 ms 106232 KB Output is correct
43 Correct 206 ms 106396 KB Output is correct
44 Correct 201 ms 106372 KB Output is correct
45 Correct 305 ms 106616 KB Output is correct
46 Correct 297 ms 106740 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 53 ms 82552 KB Output is correct
2 Correct 53 ms 82552 KB Output is correct
3 Correct 63 ms 82552 KB Output is correct
4 Correct 52 ms 82552 KB Output is correct
5 Correct 53 ms 82560 KB Output is correct
6 Correct 53 ms 82560 KB Output is correct
7 Correct 53 ms 82552 KB Output is correct
8 Correct 54 ms 82808 KB Output is correct
9 Correct 55 ms 82936 KB Output is correct
10 Correct 57 ms 83320 KB Output is correct
11 Correct 57 ms 83448 KB Output is correct
12 Correct 56 ms 83428 KB Output is correct
13 Correct 59 ms 83456 KB Output is correct
14 Correct 57 ms 83448 KB Output is correct
15 Correct 57 ms 83448 KB Output is correct
16 Correct 59 ms 84344 KB Output is correct
17 Correct 88 ms 90488 KB Output is correct
18 Correct 147 ms 102652 KB Output is correct
19 Correct 170 ms 105720 KB Output is correct
20 Correct 169 ms 105724 KB Output is correct
21 Correct 68 ms 86264 KB Output is correct
22 Correct 148 ms 103008 KB Output is correct
23 Correct 135 ms 100856 KB Output is correct
24 Correct 162 ms 104568 KB Output is correct
25 Correct 168 ms 105720 KB Output is correct
26 Correct 198 ms 105852 KB Output is correct
27 Correct 210 ms 105720 KB Output is correct
28 Correct 184 ms 105720 KB Output is correct
29 Correct 215 ms 105976 KB Output is correct
30 Correct 192 ms 105720 KB Output is correct
31 Correct 222 ms 105720 KB Output is correct
32 Correct 193 ms 105848 KB Output is correct
33 Correct 214 ms 105848 KB Output is correct
34 Correct 247 ms 105720 KB Output is correct
35 Correct 178 ms 99832 KB Output is correct
36 Correct 125 ms 94840 KB Output is correct
37 Correct 233 ms 106028 KB Output is correct
38 Correct 227 ms 106872 KB Output is correct
39 Correct 237 ms 107000 KB Output is correct
40 Correct 260 ms 106872 KB Output is correct
41 Correct 240 ms 106992 KB Output is correct
42 Correct 195 ms 106232 KB Output is correct
43 Correct 216 ms 106360 KB Output is correct
44 Correct 182 ms 106372 KB Output is correct
45 Correct 286 ms 106744 KB Output is correct
46 Correct 322 ms 106768 KB Output is correct
47 Runtime error 385 ms 262144 KB Execution killed with signal 11 (could be triggered by violating memory limits)
48 Halted 0 ms 0 KB -