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답안 #243213

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
243213 2020-06-30T14:46:02 Z neihcr7j Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 256728 KB 
#include<bits/stdc++.h>

#define oo 1000000000
#define maxm 4000005
#define maxn 30005
#define block 120

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 dist[maxm], vis[maxm];

const int t = 251;

int L[t + 1][maxn];
int sz[t + 1];

int dijkstra() {
  fill(dist, dist + maxm, oo);
  fill(sz, sz + t + 1, 0);

  dist[b[0]] = 0;
  L[0][0] = b[0];
  sz[0] = 1;

  int M = maxn - 1;

  for (int i = 0; i <= M; ++i)
    while (sz[i % t] != 0) {
      int u = L[i % t][--sz[i % t]];

      if (u == b[1])
        return i;

      if (dist[u] < i || vis[u]) continue;
      vis[u] = 1;

      for (auto x : g[u]) {
        int v = x.first, w = x.second;
        if (dist[v] > dist[u] + w) {
          dist[v] = dist[u] + w;
          L[dist[v] % t][sz[dist[v] % t]++] = v;
        }
      }
    }

  return (dist[b[1]] == oo ? -1 : dist[b[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 (b[i] != j)
          g[b[i]].push_back({j, abs(j - b[i]) / p[i]});

  cout << dijkstra();

  return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 109944 KB Output is correct
2 Correct 82 ms 109920 KB Output is correct
3 Correct 72 ms 110048 KB Output is correct
4 Correct 71 ms 110072 KB Output is correct
5 Correct 70 ms 110072 KB Output is correct
6 Correct 72 ms 110072 KB Output is correct
7 Correct 73 ms 110072 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 74 ms 110048 KB Output is correct
2 Correct 90 ms 109944 KB Output is correct
3 Correct 72 ms 109924 KB Output is correct
4 Correct 70 ms 109944 KB Output is correct
5 Correct 74 ms 109944 KB Output is correct
6 Correct 83 ms 110048 KB Output is correct
7 Correct 72 ms 110072 KB Output is correct
8 Correct 81 ms 110076 KB Output is correct
9 Correct 71 ms 110200 KB Output is correct
10 Correct 75 ms 110456 KB Output is correct
11 Correct 72 ms 110456 KB Output is correct
12 Correct 84 ms 110888 KB Output is correct
13 Correct 78 ms 110968 KB Output is correct
14 Correct 85 ms 110712 KB Output is correct
15 Correct 90 ms 110584 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 81 ms 110076 KB Output is correct
2 Correct 71 ms 109944 KB Output is correct
3 Correct 81 ms 109944 KB Output is correct
4 Correct 79 ms 109944 KB Output is correct
5 Correct 71 ms 110072 KB Output is correct
6 Correct 71 ms 110072 KB Output is correct
7 Correct 69 ms 110072 KB Output is correct
8 Correct 78 ms 110072 KB Output is correct
9 Correct 72 ms 110200 KB Output is correct
10 Correct 76 ms 110584 KB Output is correct
11 Correct 72 ms 110476 KB Output is correct
12 Correct 75 ms 110968 KB Output is correct
13 Correct 80 ms 110840 KB Output is correct
14 Correct 74 ms 110712 KB Output is correct
15 Correct 80 ms 110584 KB Output is correct
16 Correct 77 ms 110968 KB Output is correct
17 Correct 101 ms 114424 KB Output is correct
18 Correct 119 ms 119880 KB Output is correct
19 Correct 131 ms 121336 KB Output is correct
20 Correct 122 ms 122384 KB Output is correct
21 Correct 81 ms 111992 KB Output is correct
22 Correct 119 ms 119928 KB Output is correct
23 Correct 127 ms 119800 KB Output is correct
24 Correct 138 ms 121312 KB Output is correct
25 Correct 132 ms 121464 KB Output is correct
26 Correct 138 ms 122488 KB Output is correct
27 Correct 141 ms 122744 KB Output is correct
28 Correct 131 ms 123104 KB Output is correct
29 Correct 128 ms 122872 KB Output is correct
30 Correct 133 ms 122516 KB Output is correct
31 Correct 124 ms 122616 KB Output is correct
32 Correct 127 ms 122488 KB Output is correct
33 Correct 145 ms 123384 KB Output is correct
34 Correct 128 ms 122104 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 81 ms 110048 KB Output is correct
2 Correct 75 ms 110072 KB Output is correct
3 Correct 80 ms 109944 KB Output is correct
4 Correct 71 ms 109944 KB Output is correct
5 Correct 79 ms 109944 KB Output is correct
6 Correct 71 ms 109944 KB Output is correct
7 Correct 73 ms 110008 KB Output is correct
8 Correct 79 ms 110200 KB Output is correct
9 Correct 70 ms 110200 KB Output is correct
10 Correct 71 ms 110456 KB Output is correct
11 Correct 80 ms 110456 KB Output is correct
12 Correct 79 ms 111096 KB Output is correct
13 Correct 73 ms 110840 KB Output is correct
14 Correct 72 ms 110712 KB Output is correct
15 Correct 72 ms 110456 KB Output is correct
16 Correct 81 ms 110844 KB Output is correct
17 Correct 98 ms 114484 KB Output is correct
18 Correct 124 ms 119800 KB Output is correct
19 Correct 127 ms 121336 KB Output is correct
20 Correct 131 ms 122408 KB Output is correct
21 Correct 78 ms 111992 KB Output is correct
22 Correct 119 ms 119928 KB Output is correct
23 Correct 139 ms 119800 KB Output is correct
24 Correct 121 ms 121336 KB Output is correct
25 Correct 119 ms 121464 KB Output is correct
26 Correct 132 ms 122576 KB Output is correct
27 Correct 135 ms 122744 KB Output is correct
28 Correct 125 ms 123004 KB Output is correct
29 Correct 131 ms 122872 KB Output is correct
30 Correct 132 ms 122488 KB Output is correct
31 Correct 126 ms 122616 KB Output is correct
32 Correct 126 ms 122488 KB Output is correct
33 Correct 138 ms 123496 KB Output is correct
34 Correct 128 ms 122104 KB Output is correct
35 Correct 132 ms 119288 KB Output is correct
36 Correct 100 ms 116344 KB Output is correct
37 Correct 143 ms 122984 KB Output is correct
38 Correct 141 ms 123324 KB Output is correct
39 Correct 138 ms 122232 KB Output is correct
40 Correct 151 ms 122360 KB Output is correct
41 Correct 143 ms 123132 KB Output is correct
42 Correct 140 ms 122960 KB Output is correct
43 Correct 148 ms 123252 KB Output is correct
44 Correct 139 ms 122868 KB Output is correct
45 Correct 172 ms 127224 KB Output is correct
46 Correct 150 ms 125432 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 73 ms 109944 KB Output is correct
2 Correct 81 ms 109944 KB Output is correct
3 Correct 80 ms 109944 KB Output is correct
4 Correct 71 ms 109948 KB Output is correct
5 Correct 73 ms 109944 KB Output is correct
6 Correct 84 ms 110048 KB Output is correct
7 Correct 75 ms 110048 KB Output is correct
8 Correct 72 ms 110048 KB Output is correct
9 Correct 76 ms 110304 KB Output is correct
10 Correct 85 ms 110596 KB Output is correct
11 Correct 73 ms 110440 KB Output is correct
12 Correct 85 ms 110880 KB Output is correct
13 Correct 74 ms 110840 KB Output is correct
14 Correct 74 ms 110712 KB Output is correct
15 Correct 77 ms 110456 KB Output is correct
16 Correct 79 ms 110968 KB Output is correct
17 Correct 90 ms 114424 KB Output is correct
18 Correct 128 ms 119800 KB Output is correct
19 Correct 123 ms 121492 KB Output is correct
20 Correct 121 ms 122360 KB Output is correct
21 Correct 81 ms 111992 KB Output is correct
22 Correct 117 ms 120056 KB Output is correct
23 Correct 127 ms 119932 KB Output is correct
24 Correct 124 ms 121464 KB Output is correct
25 Correct 135 ms 121392 KB Output is correct
26 Correct 129 ms 122488 KB Output is correct
27 Correct 139 ms 122888 KB Output is correct
28 Correct 132 ms 123000 KB Output is correct
29 Correct 129 ms 122872 KB Output is correct
30 Correct 123 ms 122488 KB Output is correct
31 Correct 142 ms 122616 KB Output is correct
32 Correct 124 ms 122488 KB Output is correct
33 Correct 137 ms 123256 KB Output is correct
34 Correct 139 ms 122104 KB Output is correct
35 Correct 130 ms 119416 KB Output is correct
36 Correct 102 ms 116344 KB Output is correct
37 Correct 133 ms 122872 KB Output is correct
38 Correct 147 ms 123128 KB Output is correct
39 Correct 134 ms 122232 KB Output is correct
40 Correct 136 ms 122360 KB Output is correct
41 Correct 135 ms 123000 KB Output is correct
42 Correct 135 ms 122996 KB Output is correct
43 Correct 138 ms 123332 KB Output is correct
44 Correct 135 ms 122912 KB Output is correct
45 Correct 174 ms 127224 KB Output is correct
46 Correct 145 ms 125432 KB Output is correct
47 Correct 567 ms 186872 KB Output is correct
48 Correct 843 ms 244728 KB Output is correct
49 Execution timed out 1117 ms 256728 KB Time limit exceeded
50 Halted 0 ms 0 KB -