oj.uz

답안 #240090

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
240090 2020-06-18T02:15:25 Z neihcr7j Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 521 ms 262144 KB 
#include<bits/stdc++.h>
 
#define oo 1000000000
#define maxm 5000000
#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 99 ms 137300 KB Output is correct
2 Correct 86 ms 137336 KB Output is correct
3 Correct 86 ms 137336 KB Output is correct
4 Correct 88 ms 137336 KB Output is correct
5 Correct 87 ms 137440 KB Output is correct
6 Correct 98 ms 137464 KB Output is correct
7 Correct 85 ms 137464 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 96 ms 137328 KB Output is correct
2 Correct 88 ms 137408 KB Output is correct
3 Correct 86 ms 137336 KB Output is correct
4 Correct 86 ms 137336 KB Output is correct
5 Correct 84 ms 137336 KB Output is correct
6 Correct 104 ms 137464 KB Output is correct
7 Correct 88 ms 137464 KB Output is correct
8 Correct 86 ms 137592 KB Output is correct
9 Correct 101 ms 137848 KB Output is correct
10 Correct 92 ms 138232 KB Output is correct
11 Correct 90 ms 138232 KB Output is correct
12 Correct 88 ms 138232 KB Output is correct
13 Correct 99 ms 138360 KB Output is correct
14 Correct 89 ms 138232 KB Output is correct
15 Correct 96 ms 138200 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 85 ms 137336 KB Output is correct
2 Correct 86 ms 137336 KB Output is correct
3 Correct 86 ms 137336 KB Output is correct
4 Correct 87 ms 137336 KB Output is correct
5 Correct 92 ms 137464 KB Output is correct
6 Correct 84 ms 137464 KB Output is correct
7 Correct 87 ms 137464 KB Output is correct
8 Correct 84 ms 137592 KB Output is correct
9 Correct 86 ms 137848 KB Output is correct
10 Correct 91 ms 138232 KB Output is correct
11 Correct 89 ms 138232 KB Output is correct
12 Correct 101 ms 138232 KB Output is correct
13 Correct 96 ms 138232 KB Output is correct
14 Correct 89 ms 138232 KB Output is correct
15 Correct 101 ms 138188 KB Output is correct
16 Correct 92 ms 139000 KB Output is correct
17 Correct 127 ms 145272 KB Output is correct
18 Correct 180 ms 157432 KB Output is correct
19 Correct 220 ms 160504 KB Output is correct
20 Correct 198 ms 160504 KB Output is correct
21 Correct 113 ms 141176 KB Output is correct
22 Correct 186 ms 157944 KB Output is correct
23 Correct 178 ms 155896 KB Output is correct
24 Correct 192 ms 159352 KB Output is correct
25 Correct 195 ms 160508 KB Output is correct
26 Correct 233 ms 160480 KB Output is correct
27 Correct 225 ms 160504 KB Output is correct
28 Correct 208 ms 160504 KB Output is correct
29 Correct 240 ms 160504 KB Output is correct
30 Correct 233 ms 160504 KB Output is correct
31 Correct 235 ms 160504 KB Output is correct
32 Correct 257 ms 160504 KB Output is correct
33 Correct 250 ms 160644 KB Output is correct
34 Correct 240 ms 160632 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 86 ms 137336 KB Output is correct
2 Correct 85 ms 137336 KB Output is correct
3 Correct 95 ms 137336 KB Output is correct
4 Correct 85 ms 137464 KB Output is correct
5 Correct 98 ms 137464 KB Output is correct
6 Correct 87 ms 137328 KB Output is correct
7 Correct 85 ms 137336 KB Output is correct
8 Correct 96 ms 137592 KB Output is correct
9 Correct 88 ms 137852 KB Output is correct
10 Correct 89 ms 138284 KB Output is correct
11 Correct 89 ms 138232 KB Output is correct
12 Correct 89 ms 138236 KB Output is correct
13 Correct 89 ms 138232 KB Output is correct
14 Correct 90 ms 138236 KB Output is correct
15 Correct 90 ms 138232 KB Output is correct
16 Correct 100 ms 139000 KB Output is correct
17 Correct 123 ms 145272 KB Output is correct
18 Correct 186 ms 157432 KB Output is correct
19 Correct 201 ms 160480 KB Output is correct
20 Correct 198 ms 160504 KB Output is correct
21 Correct 100 ms 141176 KB Output is correct
22 Correct 199 ms 157792 KB Output is correct
23 Correct 177 ms 155768 KB Output is correct
24 Correct 194 ms 159352 KB Output is correct
25 Correct 215 ms 160636 KB Output is correct
26 Correct 244 ms 160504 KB Output is correct
27 Correct 242 ms 160632 KB Output is correct
28 Correct 208 ms 160632 KB Output is correct
29 Correct 238 ms 160632 KB Output is correct
30 Correct 226 ms 160600 KB Output is correct
31 Correct 227 ms 160504 KB Output is correct
32 Correct 224 ms 160504 KB Output is correct
33 Correct 257 ms 160796 KB Output is correct
34 Correct 246 ms 160504 KB Output is correct
35 Correct 197 ms 154488 KB Output is correct
36 Correct 153 ms 149624 KB Output is correct
37 Correct 258 ms 160760 KB Output is correct
38 Correct 307 ms 161656 KB Output is correct
39 Correct 263 ms 161656 KB Output is correct
40 Correct 278 ms 161836 KB Output is correct
41 Correct 277 ms 161784 KB Output is correct
42 Correct 244 ms 161144 KB Output is correct
43 Correct 229 ms 161020 KB Output is correct
44 Correct 230 ms 161156 KB Output is correct
45 Correct 322 ms 161528 KB Output is correct
46 Correct 349 ms 161528 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 98 ms 137336 KB Output is correct
2 Correct 85 ms 137336 KB Output is correct
3 Correct 96 ms 137336 KB Output is correct
4 Correct 85 ms 137336 KB Output is correct
5 Correct 89 ms 137336 KB Output is correct
6 Correct 87 ms 137336 KB Output is correct
7 Correct 86 ms 137336 KB Output is correct
8 Correct 98 ms 137592 KB Output is correct
9 Correct 100 ms 137848 KB Output is correct
10 Correct 89 ms 138108 KB Output is correct
11 Correct 91 ms 138360 KB Output is correct
12 Correct 89 ms 138236 KB Output is correct
13 Correct 87 ms 138232 KB Output is correct
14 Correct 96 ms 138360 KB Output is correct
15 Correct 93 ms 138232 KB Output is correct
16 Correct 93 ms 139128 KB Output is correct
17 Correct 122 ms 145272 KB Output is correct
18 Correct 183 ms 157688 KB Output is correct
19 Correct 195 ms 160504 KB Output is correct
20 Correct 199 ms 160504 KB Output is correct
21 Correct 119 ms 141176 KB Output is correct
22 Correct 202 ms 157884 KB Output is correct
23 Correct 174 ms 155640 KB Output is correct
24 Correct 210 ms 159352 KB Output is correct
25 Correct 208 ms 160480 KB Output is correct
26 Correct 242 ms 160508 KB Output is correct
27 Correct 248 ms 160508 KB Output is correct
28 Correct 203 ms 160484 KB Output is correct
29 Correct 240 ms 160656 KB Output is correct
30 Correct 225 ms 160504 KB Output is correct
31 Correct 250 ms 160612 KB Output is correct
32 Correct 233 ms 160504 KB Output is correct
33 Correct 241 ms 160676 KB Output is correct
34 Correct 249 ms 160740 KB Output is correct
35 Correct 222 ms 154464 KB Output is correct
36 Correct 152 ms 149624 KB Output is correct
37 Correct 302 ms 160888 KB Output is correct
38 Correct 277 ms 161656 KB Output is correct
39 Correct 312 ms 161656 KB Output is correct
40 Correct 273 ms 161784 KB Output is correct
41 Correct 261 ms 161656 KB Output is correct
42 Correct 230 ms 161016 KB Output is correct
43 Correct 222 ms 161016 KB Output is correct
44 Correct 225 ms 161132 KB Output is correct
45 Correct 327 ms 161400 KB Output is correct
46 Correct 320 ms 161404 KB Output is correct
47 Runtime error 521 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
48 Halted 0 ms 0 KB -