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답안 #240089

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
240089 2020-06-18T02:14:13 Z neihcr7j Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 259448 KB 
#include<bits/stdc++.h>

#define oo 1000000000
#define maxm 5000000
#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 84 ms 137336 KB Output is correct
2 Correct 88 ms 137336 KB Output is correct
3 Correct 84 ms 137340 KB Output is correct
4 Correct 85 ms 137464 KB Output is correct
5 Correct 86 ms 137336 KB Output is correct
6 Correct 86 ms 137464 KB Output is correct
7 Correct 86 ms 137464 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 137336 KB Output is correct
2 Correct 86 ms 137336 KB Output is correct
3 Correct 84 ms 137340 KB Output is correct
4 Correct 84 ms 137336 KB Output is correct
5 Correct 87 ms 137464 KB Output is correct
6 Correct 86 ms 137340 KB Output is correct
7 Correct 97 ms 137336 KB Output is correct
8 Correct 88 ms 137592 KB Output is correct
9 Correct 86 ms 137720 KB Output is correct
10 Correct 86 ms 137976 KB Output is correct
11 Correct 90 ms 138104 KB Output is correct
12 Correct 86 ms 137976 KB Output is correct
13 Correct 89 ms 138196 KB Output is correct
14 Correct 87 ms 138108 KB Output is correct
15 Correct 88 ms 138108 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 87 ms 137336 KB Output is correct
2 Correct 87 ms 137336 KB Output is correct
3 Correct 84 ms 137336 KB Output is correct
4 Correct 88 ms 137464 KB Output is correct
5 Correct 89 ms 137336 KB Output is correct
6 Correct 85 ms 137336 KB Output is correct
7 Correct 93 ms 137436 KB Output is correct
8 Correct 85 ms 137592 KB Output is correct
9 Correct 89 ms 137756 KB Output is correct
10 Correct 88 ms 137976 KB Output is correct
11 Correct 89 ms 138104 KB Output is correct
12 Correct 90 ms 137976 KB Output is correct
13 Correct 92 ms 137972 KB Output is correct
14 Correct 97 ms 137980 KB Output is correct
15 Correct 102 ms 138104 KB Output is correct
16 Correct 92 ms 138808 KB Output is correct
17 Correct 124 ms 143864 KB Output is correct
18 Correct 183 ms 153464 KB Output is correct
19 Correct 192 ms 155896 KB Output is correct
20 Correct 177 ms 156088 KB Output is correct
21 Correct 111 ms 140536 KB Output is correct
22 Correct 160 ms 153848 KB Output is correct
23 Correct 163 ms 152056 KB Output is correct
24 Correct 172 ms 155000 KB Output is correct
25 Correct 196 ms 155896 KB Output is correct
26 Correct 172 ms 156000 KB Output is correct
27 Correct 187 ms 156024 KB Output is correct
28 Correct 174 ms 156024 KB Output is correct
29 Correct 196 ms 155992 KB Output is correct
30 Correct 191 ms 156136 KB Output is correct
31 Correct 184 ms 156024 KB Output is correct
32 Correct 179 ms 155896 KB Output is correct
33 Correct 211 ms 156024 KB Output is correct
34 Correct 213 ms 156024 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 86 ms 137336 KB Output is correct
3 Correct 83 ms 137336 KB Output is correct
4 Correct 94 ms 137404 KB Output is correct
5 Correct 91 ms 137468 KB Output is correct
6 Correct 84 ms 137336 KB Output is correct
7 Correct 86 ms 137464 KB Output is correct
8 Correct 86 ms 137592 KB Output is correct
9 Correct 99 ms 137848 KB Output is correct
10 Correct 101 ms 137976 KB Output is correct
11 Correct 88 ms 138104 KB Output is correct
12 Correct 92 ms 138088 KB Output is correct
13 Correct 103 ms 137976 KB Output is correct
14 Correct 91 ms 138108 KB Output is correct
15 Correct 87 ms 138108 KB Output is correct
16 Correct 105 ms 138744 KB Output is correct
17 Correct 118 ms 143864 KB Output is correct
18 Correct 161 ms 153656 KB Output is correct
19 Correct 180 ms 155896 KB Output is correct
20 Correct 178 ms 155896 KB Output is correct
21 Correct 100 ms 140536 KB Output is correct
22 Correct 166 ms 153848 KB Output is correct
23 Correct 151 ms 152060 KB Output is correct
24 Correct 169 ms 155000 KB Output is correct
25 Correct 180 ms 156024 KB Output is correct
26 Correct 201 ms 156128 KB Output is correct
27 Correct 171 ms 155896 KB Output is correct
28 Correct 174 ms 155896 KB Output is correct
29 Correct 183 ms 155896 KB Output is correct
30 Correct 172 ms 155896 KB Output is correct
31 Correct 179 ms 155896 KB Output is correct
32 Correct 182 ms 155896 KB Output is correct
33 Correct 212 ms 156024 KB Output is correct
34 Correct 213 ms 156024 KB Output is correct
35 Correct 215 ms 151416 KB Output is correct
36 Correct 137 ms 147192 KB Output is correct
37 Correct 238 ms 156536 KB Output is correct
38 Correct 250 ms 157296 KB Output is correct
39 Correct 236 ms 157176 KB Output is correct
40 Correct 227 ms 157176 KB Output is correct
41 Correct 261 ms 157176 KB Output is correct
42 Correct 209 ms 156532 KB Output is correct
43 Correct 178 ms 156532 KB Output is correct
44 Correct 183 ms 156604 KB Output is correct
45 Correct 268 ms 157944 KB Output is correct
46 Correct 315 ms 157944 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 87 ms 137340 KB Output is correct
2 Correct 85 ms 137336 KB Output is correct
3 Correct 100 ms 137464 KB Output is correct
4 Correct 84 ms 137336 KB Output is correct
5 Correct 98 ms 137464 KB Output is correct
6 Correct 85 ms 137336 KB Output is correct
7 Correct 87 ms 137336 KB Output is correct
8 Correct 87 ms 137592 KB Output is correct
9 Correct 85 ms 137720 KB Output is correct
10 Correct 88 ms 137976 KB Output is correct
11 Correct 89 ms 138156 KB Output is correct
12 Correct 87 ms 138104 KB Output is correct
13 Correct 92 ms 138120 KB Output is correct
14 Correct 99 ms 138104 KB Output is correct
15 Correct 89 ms 138104 KB Output is correct
16 Correct 89 ms 138744 KB Output is correct
17 Correct 135 ms 143864 KB Output is correct
18 Correct 157 ms 153464 KB Output is correct
19 Correct 189 ms 155896 KB Output is correct
20 Correct 183 ms 155948 KB Output is correct
21 Correct 110 ms 140408 KB Output is correct
22 Correct 176 ms 153848 KB Output is correct
23 Correct 151 ms 152056 KB Output is correct
24 Correct 172 ms 155000 KB Output is correct
25 Correct 174 ms 155896 KB Output is correct
26 Correct 187 ms 156024 KB Output is correct
27 Correct 177 ms 155896 KB Output is correct
28 Correct 194 ms 156024 KB Output is correct
29 Correct 183 ms 155896 KB Output is correct
30 Correct 177 ms 155896 KB Output is correct
31 Correct 180 ms 155896 KB Output is correct
32 Correct 178 ms 155896 KB Output is correct
33 Correct 226 ms 156024 KB Output is correct
34 Correct 231 ms 156024 KB Output is correct
35 Correct 205 ms 151288 KB Output is correct
36 Correct 139 ms 147320 KB Output is correct
37 Correct 228 ms 156408 KB Output is correct
38 Correct 226 ms 157048 KB Output is correct
39 Correct 246 ms 157176 KB Output is correct
40 Correct 230 ms 157176 KB Output is correct
41 Correct 232 ms 157180 KB Output is correct
42 Correct 203 ms 156660 KB Output is correct
43 Correct 204 ms 156532 KB Output is correct
44 Correct 202 ms 156532 KB Output is correct
45 Correct 272 ms 158048 KB Output is correct
46 Correct 281 ms 157948 KB Output is correct
47 Execution timed out 1117 ms 259448 KB Time limit exceeded
48 Halted 0 ms 0 KB -