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답안 #243212

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
243212 2020-06-30T14:39:11 Z neihcr7j Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 256888 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;

vector < int > L[t + 1];
int sz[t + 1];

int dijkstra() {
  fill(dist, dist + maxm, oo);

  dist[b[0]] = 0;
  L[0].push_back(b[0]);

  int M = maxn - 1;

  for (int i = 0; i <= M; ++i)
    while (!L[i % t].empty()) {
      int u = L[i % t].back(); L[i % t].pop_back();

      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].push_back(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 78 ms 109944 KB Output is correct
2 Correct 70 ms 109944 KB Output is correct
3 Correct 72 ms 109952 KB Output is correct
4 Correct 72 ms 109944 KB Output is correct
5 Correct 72 ms 109944 KB Output is correct
6 Correct 73 ms 110028 KB Output is correct
7 Correct 72 ms 109944 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 109944 KB Output is correct
2 Correct 70 ms 109944 KB Output is correct
3 Correct 80 ms 109944 KB Output is correct
4 Correct 70 ms 109944 KB Output is correct
5 Correct 70 ms 109944 KB Output is correct
6 Correct 70 ms 109944 KB Output is correct
7 Correct 73 ms 109944 KB Output is correct
8 Correct 71 ms 110072 KB Output is correct
9 Correct 72 ms 110200 KB Output is correct
10 Correct 72 ms 110456 KB Output is correct
11 Correct 71 ms 110456 KB Output is correct
12 Correct 72 ms 110456 KB Output is correct
13 Correct 76 ms 110360 KB Output is correct
14 Correct 71 ms 110460 KB Output is correct
15 Correct 73 ms 110456 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 70 ms 109944 KB Output is correct
2 Correct 73 ms 109968 KB Output is correct
3 Correct 76 ms 109908 KB Output is correct
4 Correct 70 ms 109944 KB Output is correct
5 Correct 79 ms 109944 KB Output is correct
6 Correct 70 ms 109944 KB Output is correct
7 Correct 79 ms 109944 KB Output is correct
8 Correct 70 ms 110072 KB Output is correct
9 Correct 72 ms 110200 KB Output is correct
10 Correct 71 ms 110456 KB Output is correct
11 Correct 73 ms 110456 KB Output is correct
12 Correct 71 ms 110456 KB Output is correct
13 Correct 79 ms 110456 KB Output is correct
14 Correct 80 ms 110436 KB Output is correct
15 Correct 78 ms 110448 KB Output is correct
16 Correct 73 ms 110840 KB Output is correct
17 Correct 89 ms 114424 KB Output is correct
18 Correct 118 ms 119928 KB Output is correct
19 Correct 123 ms 121336 KB Output is correct
20 Correct 123 ms 121336 KB Output is correct
21 Correct 80 ms 111992 KB Output is correct
22 Correct 121 ms 119932 KB Output is correct
23 Correct 110 ms 119288 KB Output is correct
24 Correct 136 ms 121208 KB Output is correct
25 Correct 141 ms 121336 KB Output is correct
26 Correct 134 ms 121468 KB Output is correct
27 Correct 145 ms 121592 KB Output is correct
28 Correct 125 ms 121848 KB Output is correct
29 Correct 137 ms 121848 KB Output is correct
30 Correct 143 ms 121336 KB Output is correct
31 Correct 138 ms 121592 KB Output is correct
32 Correct 132 ms 121464 KB Output is correct
33 Correct 150 ms 122360 KB Output is correct
34 Correct 148 ms 122228 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 109944 KB Output is correct
2 Correct 70 ms 109948 KB Output is correct
3 Correct 75 ms 109944 KB Output is correct
4 Correct 71 ms 109944 KB Output is correct
5 Correct 71 ms 109944 KB Output is correct
6 Correct 70 ms 110024 KB Output is correct
7 Correct 69 ms 109944 KB Output is correct
8 Correct 71 ms 110072 KB Output is correct
9 Correct 78 ms 110200 KB Output is correct
10 Correct 76 ms 110456 KB Output is correct
11 Correct 73 ms 110456 KB Output is correct
12 Correct 82 ms 110420 KB Output is correct
13 Correct 77 ms 110328 KB Output is correct
14 Correct 72 ms 110456 KB Output is correct
15 Correct 77 ms 110584 KB Output is correct
16 Correct 72 ms 110840 KB Output is correct
17 Correct 90 ms 114424 KB Output is correct
18 Correct 123 ms 119772 KB Output is correct
19 Correct 128 ms 121336 KB Output is correct
20 Correct 128 ms 121312 KB Output is correct
21 Correct 79 ms 111992 KB Output is correct
22 Correct 133 ms 119928 KB Output is correct
23 Correct 123 ms 119356 KB Output is correct
24 Correct 122 ms 121208 KB Output is correct
25 Correct 135 ms 121464 KB Output is correct
26 Correct 133 ms 121340 KB Output is correct
27 Correct 130 ms 121720 KB Output is correct
28 Correct 124 ms 121848 KB Output is correct
29 Correct 137 ms 121848 KB Output is correct
30 Correct 125 ms 121336 KB Output is correct
31 Correct 136 ms 121832 KB Output is correct
32 Correct 146 ms 121464 KB Output is correct
33 Correct 143 ms 122232 KB Output is correct
34 Correct 140 ms 121976 KB Output is correct
35 Correct 127 ms 119416 KB Output is correct
36 Correct 114 ms 116344 KB Output is correct
37 Correct 134 ms 122616 KB Output is correct
38 Correct 141 ms 123128 KB Output is correct
39 Correct 152 ms 122232 KB Output is correct
40 Correct 143 ms 122360 KB Output is correct
41 Correct 138 ms 122872 KB Output is correct
42 Correct 138 ms 121972 KB Output is correct
43 Correct 132 ms 122228 KB Output is correct
44 Correct 131 ms 121844 KB Output is correct
45 Correct 186 ms 126072 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 78 ms 109944 KB Output is correct
2 Correct 71 ms 109944 KB Output is correct
3 Correct 72 ms 109944 KB Output is correct
4 Correct 70 ms 109944 KB Output is correct
5 Correct 72 ms 109944 KB Output is correct
6 Correct 71 ms 110104 KB Output is correct
7 Correct 69 ms 109944 KB Output is correct
8 Correct 71 ms 110072 KB Output is correct
9 Correct 71 ms 110200 KB Output is correct
10 Correct 72 ms 110456 KB Output is correct
11 Correct 71 ms 110456 KB Output is correct
12 Correct 72 ms 110396 KB Output is correct
13 Correct 71 ms 110328 KB Output is correct
14 Correct 73 ms 110456 KB Output is correct
15 Correct 74 ms 110456 KB Output is correct
16 Correct 72 ms 110840 KB Output is correct
17 Correct 88 ms 114424 KB Output is correct
18 Correct 115 ms 119800 KB Output is correct
19 Correct 122 ms 121336 KB Output is correct
20 Correct 123 ms 121336 KB Output is correct
21 Correct 79 ms 112120 KB Output is correct
22 Correct 117 ms 120056 KB Output is correct
23 Correct 116 ms 119344 KB Output is correct
24 Correct 135 ms 121208 KB Output is correct
25 Correct 136 ms 121336 KB Output is correct
26 Correct 131 ms 121340 KB Output is correct
27 Correct 145 ms 121720 KB Output is correct
28 Correct 122 ms 121848 KB Output is correct
29 Correct 140 ms 121848 KB Output is correct
30 Correct 123 ms 121336 KB Output is correct
31 Correct 134 ms 121592 KB Output is correct
32 Correct 135 ms 121540 KB Output is correct
33 Correct 150 ms 122232 KB Output is correct
34 Correct 138 ms 121976 KB Output is correct
35 Correct 121 ms 119336 KB Output is correct
36 Correct 100 ms 116236 KB Output is correct
37 Correct 138 ms 122744 KB Output is correct
38 Correct 142 ms 123128 KB Output is correct
39 Correct 140 ms 122232 KB Output is correct
40 Correct 155 ms 122408 KB Output is correct
41 Correct 156 ms 122872 KB Output is correct
42 Correct 142 ms 121972 KB Output is correct
43 Correct 128 ms 122248 KB Output is correct
44 Correct 128 ms 121864 KB Output is correct
45 Correct 175 ms 126072 KB Output is correct
46 Correct 154 ms 125304 KB Output is correct
47 Correct 624 ms 186464 KB Output is correct
48 Correct 864 ms 244728 KB Output is correct
49 Execution timed out 1106 ms 256888 KB Time limit exceeded
50 Halted 0 ms 0 KB -