oj.uz

답안 #240088

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
240088 2020-06-18T02:12:04 Z neihcr7j Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 377 ms 262148 KB 
#include<bits/stdc++.h>

#define oo 1000000000
#define maxm 7000000
#define maxn 50005
#define block 200

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 117 ms 192120 KB Output is correct
2 Correct 117 ms 192136 KB Output is correct
3 Correct 116 ms 192120 KB Output is correct
4 Correct 121 ms 192120 KB Output is correct
5 Correct 118 ms 192120 KB Output is correct
6 Correct 118 ms 192120 KB Output is correct
7 Correct 119 ms 192352 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 134 ms 192276 KB Output is correct
2 Correct 119 ms 192288 KB Output is correct
3 Correct 138 ms 192120 KB Output is correct
4 Correct 119 ms 192120 KB Output is correct
5 Correct 140 ms 192120 KB Output is correct
6 Correct 117 ms 192120 KB Output is correct
7 Correct 120 ms 192120 KB Output is correct
8 Correct 119 ms 192376 KB Output is correct
9 Correct 120 ms 192552 KB Output is correct
10 Correct 142 ms 192760 KB Output is correct
11 Correct 122 ms 192892 KB Output is correct
12 Correct 137 ms 192888 KB Output is correct
13 Correct 124 ms 192888 KB Output is correct
14 Correct 125 ms 192888 KB Output is correct
15 Correct 128 ms 192928 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 120 ms 192120 KB Output is correct
2 Correct 117 ms 192120 KB Output is correct
3 Correct 116 ms 192120 KB Output is correct
4 Correct 120 ms 192120 KB Output is correct
5 Correct 115 ms 192120 KB Output is correct
6 Correct 117 ms 192120 KB Output is correct
7 Correct 133 ms 192248 KB Output is correct
8 Correct 116 ms 192376 KB Output is correct
9 Correct 117 ms 192432 KB Output is correct
10 Correct 145 ms 192888 KB Output is correct
11 Correct 119 ms 192888 KB Output is correct
12 Correct 141 ms 192760 KB Output is correct
13 Correct 118 ms 192760 KB Output is correct
14 Correct 124 ms 192888 KB Output is correct
15 Correct 118 ms 192888 KB Output is correct
16 Correct 128 ms 193528 KB Output is correct
17 Correct 150 ms 198648 KB Output is correct
18 Correct 190 ms 208508 KB Output is correct
19 Correct 206 ms 210680 KB Output is correct
20 Correct 203 ms 210680 KB Output is correct
21 Correct 129 ms 195320 KB Output is correct
22 Correct 189 ms 208608 KB Output is correct
23 Correct 185 ms 206840 KB Output is correct
24 Correct 222 ms 209912 KB Output is correct
25 Correct 207 ms 210684 KB Output is correct
26 Correct 204 ms 210680 KB Output is correct
27 Correct 202 ms 210680 KB Output is correct
28 Correct 212 ms 210680 KB Output is correct
29 Correct 219 ms 210680 KB Output is correct
30 Correct 205 ms 210808 KB Output is correct
31 Correct 248 ms 210680 KB Output is correct
32 Correct 212 ms 210680 KB Output is correct
33 Correct 242 ms 210936 KB Output is correct
34 Correct 242 ms 210812 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 115 ms 192120 KB Output is correct
2 Correct 118 ms 192124 KB Output is correct
3 Correct 121 ms 192120 KB Output is correct
4 Correct 117 ms 192120 KB Output is correct
5 Correct 117 ms 192120 KB Output is correct
6 Correct 117 ms 192120 KB Output is correct
7 Correct 115 ms 192120 KB Output is correct
8 Correct 120 ms 192376 KB Output is correct
9 Correct 121 ms 192504 KB Output is correct
10 Correct 120 ms 192760 KB Output is correct
11 Correct 123 ms 192888 KB Output is correct
12 Correct 143 ms 192888 KB Output is correct
13 Correct 122 ms 192760 KB Output is correct
14 Correct 121 ms 192888 KB Output is correct
15 Correct 124 ms 192888 KB Output is correct
16 Correct 122 ms 193528 KB Output is correct
17 Correct 173 ms 198648 KB Output is correct
18 Correct 192 ms 208248 KB Output is correct
19 Correct 203 ms 210684 KB Output is correct
20 Correct 199 ms 210680 KB Output is correct
21 Correct 133 ms 195448 KB Output is correct
22 Correct 189 ms 208632 KB Output is correct
23 Correct 187 ms 206840 KB Output is correct
24 Correct 199 ms 209784 KB Output is correct
25 Correct 204 ms 210684 KB Output is correct
26 Correct 207 ms 210808 KB Output is correct
27 Correct 205 ms 210680 KB Output is correct
28 Correct 205 ms 210680 KB Output is correct
29 Correct 244 ms 210808 KB Output is correct
30 Correct 208 ms 210680 KB Output is correct
31 Correct 216 ms 210680 KB Output is correct
32 Correct 209 ms 210680 KB Output is correct
33 Correct 273 ms 210936 KB Output is correct
34 Correct 239 ms 210808 KB Output is correct
35 Correct 215 ms 206200 KB Output is correct
36 Correct 181 ms 202232 KB Output is correct
37 Correct 264 ms 211192 KB Output is correct
38 Correct 261 ms 211832 KB Output is correct
39 Correct 326 ms 212100 KB Output is correct
40 Correct 274 ms 212036 KB Output is correct
41 Correct 260 ms 212220 KB Output is correct
42 Correct 229 ms 211316 KB Output is correct
43 Correct 215 ms 211316 KB Output is correct
44 Correct 231 ms 211316 KB Output is correct
45 Correct 307 ms 212816 KB Output is correct
46 Correct 336 ms 212856 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 130 ms 192248 KB Output is correct
2 Correct 119 ms 192120 KB Output is correct
3 Correct 117 ms 192120 KB Output is correct
4 Correct 120 ms 192120 KB Output is correct
5 Correct 116 ms 192120 KB Output is correct
6 Correct 118 ms 192252 KB Output is correct
7 Correct 118 ms 192248 KB Output is correct
8 Correct 122 ms 192352 KB Output is correct
9 Correct 129 ms 192632 KB Output is correct
10 Correct 119 ms 192944 KB Output is correct
11 Correct 122 ms 192888 KB Output is correct
12 Correct 123 ms 192888 KB Output is correct
13 Correct 122 ms 192888 KB Output is correct
14 Correct 124 ms 192892 KB Output is correct
15 Correct 124 ms 192888 KB Output is correct
16 Correct 128 ms 193692 KB Output is correct
17 Correct 168 ms 198776 KB Output is correct
18 Correct 217 ms 208376 KB Output is correct
19 Correct 205 ms 210684 KB Output is correct
20 Correct 204 ms 210680 KB Output is correct
21 Correct 129 ms 195320 KB Output is correct
22 Correct 189 ms 208632 KB Output is correct
23 Correct 198 ms 206968 KB Output is correct
24 Correct 201 ms 209784 KB Output is correct
25 Correct 200 ms 210680 KB Output is correct
26 Correct 220 ms 210808 KB Output is correct
27 Correct 205 ms 210808 KB Output is correct
28 Correct 206 ms 210680 KB Output is correct
29 Correct 232 ms 210936 KB Output is correct
30 Correct 204 ms 210680 KB Output is correct
31 Correct 207 ms 210680 KB Output is correct
32 Correct 243 ms 210808 KB Output is correct
33 Correct 275 ms 210808 KB Output is correct
34 Correct 244 ms 210808 KB Output is correct
35 Correct 214 ms 206156 KB Output is correct
36 Correct 172 ms 202104 KB Output is correct
37 Correct 262 ms 211192 KB Output is correct
38 Correct 298 ms 212088 KB Output is correct
39 Correct 257 ms 211960 KB Output is correct
40 Correct 285 ms 211960 KB Output is correct
41 Correct 307 ms 211960 KB Output is correct
42 Correct 278 ms 211316 KB Output is correct
43 Correct 213 ms 211316 KB Output is correct
44 Correct 213 ms 211316 KB Output is correct
45 Correct 318 ms 212728 KB Output is correct
46 Correct 302 ms 212856 KB Output is correct
47 Runtime error 377 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
48 Halted 0 ms 0 KB -