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답안 #243208

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
243208 2020-06-30T14:36:11 Z neihcr7j Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 700 ms 262148 KB 
#include<bits/stdc++.h>

#define oo 1000000000
#define maxm 4500005
#define maxn 30005
#define block 150

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 = 200;

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 80 ms 123808 KB Output is correct
2 Correct 81 ms 123640 KB Output is correct
3 Correct 92 ms 123640 KB Output is correct
4 Correct 78 ms 123684 KB Output is correct
5 Correct 76 ms 123640 KB Output is correct
6 Correct 75 ms 123640 KB Output is correct
7 Correct 86 ms 123768 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 123640 KB Output is correct
2 Correct 77 ms 123688 KB Output is correct
3 Correct 87 ms 123640 KB Output is correct
4 Correct 87 ms 123768 KB Output is correct
5 Correct 78 ms 123816 KB Output is correct
6 Correct 88 ms 123640 KB Output is correct
7 Correct 77 ms 123736 KB Output is correct
8 Correct 77 ms 123900 KB Output is correct
9 Correct 79 ms 123896 KB Output is correct
10 Correct 79 ms 124280 KB Output is correct
11 Correct 83 ms 124280 KB Output is correct
12 Correct 80 ms 124156 KB Output is correct
13 Correct 90 ms 124280 KB Output is correct
14 Correct 81 ms 124280 KB Output is correct
15 Correct 78 ms 124280 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 86 ms 123640 KB Output is correct
2 Correct 89 ms 123640 KB Output is correct
3 Correct 76 ms 123640 KB Output is correct
4 Correct 87 ms 123640 KB Output is correct
5 Correct 89 ms 123640 KB Output is correct
6 Correct 80 ms 123744 KB Output is correct
7 Correct 76 ms 123640 KB Output is correct
8 Correct 76 ms 123768 KB Output is correct
9 Correct 88 ms 124024 KB Output is correct
10 Correct 87 ms 124280 KB Output is correct
11 Correct 80 ms 124280 KB Output is correct
12 Correct 80 ms 124152 KB Output is correct
13 Correct 87 ms 124152 KB Output is correct
14 Correct 80 ms 124180 KB Output is correct
15 Correct 80 ms 124152 KB Output is correct
16 Correct 83 ms 124792 KB Output is correct
17 Correct 108 ms 129144 KB Output is correct
18 Correct 136 ms 135928 KB Output is correct
19 Correct 148 ms 137592 KB Output is correct
20 Correct 144 ms 137848 KB Output is correct
21 Correct 87 ms 126072 KB Output is correct
22 Correct 131 ms 136056 KB Output is correct
23 Correct 129 ms 135288 KB Output is correct
24 Correct 139 ms 137696 KB Output is correct
25 Correct 142 ms 137720 KB Output is correct
26 Correct 154 ms 137720 KB Output is correct
27 Correct 160 ms 138104 KB Output is correct
28 Correct 143 ms 138404 KB Output is correct
29 Correct 162 ms 138232 KB Output is correct
30 Correct 151 ms 137956 KB Output is correct
31 Correct 169 ms 137976 KB Output is correct
32 Correct 161 ms 137848 KB Output is correct
33 Correct 174 ms 138744 KB Output is correct
34 Correct 172 ms 138488 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 80 ms 123640 KB Output is correct
2 Correct 77 ms 123640 KB Output is correct
3 Correct 80 ms 123640 KB Output is correct
4 Correct 77 ms 123640 KB Output is correct
5 Correct 78 ms 123640 KB Output is correct
6 Correct 79 ms 123640 KB Output is correct
7 Correct 76 ms 123768 KB Output is correct
8 Correct 77 ms 123768 KB Output is correct
9 Correct 76 ms 123896 KB Output is correct
10 Correct 80 ms 124152 KB Output is correct
11 Correct 80 ms 124284 KB Output is correct
12 Correct 79 ms 124408 KB Output is correct
13 Correct 77 ms 124152 KB Output is correct
14 Correct 78 ms 124280 KB Output is correct
15 Correct 83 ms 124152 KB Output is correct
16 Correct 82 ms 124792 KB Output is correct
17 Correct 98 ms 129144 KB Output is correct
18 Correct 130 ms 135928 KB Output is correct
19 Correct 147 ms 137596 KB Output is correct
20 Correct 153 ms 137864 KB Output is correct
21 Correct 87 ms 126200 KB Output is correct
22 Correct 135 ms 136136 KB Output is correct
23 Correct 126 ms 135288 KB Output is correct
24 Correct 143 ms 137720 KB Output is correct
25 Correct 147 ms 137720 KB Output is correct
26 Correct 155 ms 137848 KB Output is correct
27 Correct 157 ms 138104 KB Output is correct
28 Correct 147 ms 138364 KB Output is correct
29 Correct 163 ms 138232 KB Output is correct
30 Correct 141 ms 137720 KB Output is correct
31 Correct 174 ms 137976 KB Output is correct
32 Correct 158 ms 137848 KB Output is correct
33 Correct 169 ms 138744 KB Output is correct
34 Correct 164 ms 138360 KB Output is correct
35 Correct 138 ms 135164 KB Output is correct
36 Correct 123 ms 131448 KB Output is correct
37 Correct 157 ms 139256 KB Output is correct
38 Correct 170 ms 139916 KB Output is correct
39 Correct 167 ms 138744 KB Output is correct
40 Correct 166 ms 138744 KB Output is correct
41 Correct 161 ms 139384 KB Output is correct
42 Correct 152 ms 138360 KB Output is correct
43 Correct 149 ms 138616 KB Output is correct
44 Correct 160 ms 138296 KB Output is correct
45 Correct 221 ms 142072 KB Output is correct
46 Correct 178 ms 141432 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 76 ms 123644 KB Output is correct
2 Correct 78 ms 123696 KB Output is correct
3 Correct 76 ms 123644 KB Output is correct
4 Correct 82 ms 123640 KB Output is correct
5 Correct 77 ms 123640 KB Output is correct
6 Correct 78 ms 123640 KB Output is correct
7 Correct 76 ms 123640 KB Output is correct
8 Correct 79 ms 123768 KB Output is correct
9 Correct 78 ms 123896 KB Output is correct
10 Correct 81 ms 124284 KB Output is correct
11 Correct 92 ms 124340 KB Output is correct
12 Correct 79 ms 124152 KB Output is correct
13 Correct 86 ms 124220 KB Output is correct
14 Correct 81 ms 124280 KB Output is correct
15 Correct 78 ms 124280 KB Output is correct
16 Correct 81 ms 124792 KB Output is correct
17 Correct 100 ms 129096 KB Output is correct
18 Correct 135 ms 135928 KB Output is correct
19 Correct 144 ms 137592 KB Output is correct
20 Correct 147 ms 137848 KB Output is correct
21 Correct 89 ms 126072 KB Output is correct
22 Correct 136 ms 136056 KB Output is correct
23 Correct 129 ms 135404 KB Output is correct
24 Correct 141 ms 137720 KB Output is correct
25 Correct 149 ms 137720 KB Output is correct
26 Correct 153 ms 137720 KB Output is correct
27 Correct 166 ms 138104 KB Output is correct
28 Correct 161 ms 138360 KB Output is correct
29 Correct 182 ms 138252 KB Output is correct
30 Correct 148 ms 137848 KB Output is correct
31 Correct 158 ms 137976 KB Output is correct
32 Correct 161 ms 137848 KB Output is correct
33 Correct 170 ms 138744 KB Output is correct
34 Correct 172 ms 138360 KB Output is correct
35 Correct 138 ms 135032 KB Output is correct
36 Correct 121 ms 131576 KB Output is correct
37 Correct 166 ms 139388 KB Output is correct
38 Correct 164 ms 139768 KB Output is correct
39 Correct 167 ms 138616 KB Output is correct
40 Correct 179 ms 138744 KB Output is correct
41 Correct 161 ms 139384 KB Output is correct
42 Correct 147 ms 138360 KB Output is correct
43 Correct 152 ms 138636 KB Output is correct
44 Correct 154 ms 138264 KB Output is correct
45 Correct 199 ms 142072 KB Output is correct
46 Correct 177 ms 141560 KB Output is correct
47 Correct 700 ms 217592 KB Output is correct
48 Runtime error 578 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
49 Halted 0 ms 0 KB -