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Submission #243209

# Submission time Handle Problem Language Result Execution time Memory
243209 2020-06-30T14:37:21 Z neihcr7j Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 773 ms 262148 KB 
#include<bits/stdc++.h>

#define oo 1000000000
#define maxm 5000005
#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

# Verdict Execution time Memory Grader output
1 Correct 93 ms 137336 KB Output is correct
2 Correct 89 ms 137336 KB Output is correct
3 Correct 93 ms 137336 KB Output is correct
4 Correct 94 ms 137464 KB Output is correct
5 Correct 96 ms 137464 KB Output is correct
6 Correct 87 ms 137336 KB Output is correct
7 Correct 84 ms 137336 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 137336 KB Output is correct
2 Correct 91 ms 137336 KB Output is correct
3 Correct 97 ms 137336 KB Output is correct
4 Correct 92 ms 137340 KB Output is correct
5 Correct 85 ms 137464 KB Output is correct
6 Correct 87 ms 137464 KB Output is correct
7 Correct 85 ms 137464 KB Output is correct
8 Correct 85 ms 137596 KB Output is correct
9 Correct 99 ms 137720 KB Output is correct
10 Correct 85 ms 137848 KB Output is correct
11 Correct 86 ms 137848 KB Output is correct
12 Correct 94 ms 138104 KB Output is correct
13 Correct 85 ms 137848 KB Output is correct
14 Correct 96 ms 137976 KB Output is correct
15 Correct 91 ms 137976 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 137336 KB Output is correct
2 Correct 95 ms 137336 KB Output is correct
3 Correct 85 ms 137336 KB Output is correct
4 Correct 91 ms 137376 KB Output is correct
5 Correct 97 ms 137464 KB Output is correct
6 Correct 94 ms 137336 KB Output is correct
7 Correct 94 ms 137464 KB Output is correct
8 Correct 92 ms 137548 KB Output is correct
9 Correct 87 ms 137592 KB Output is correct
10 Correct 100 ms 137916 KB Output is correct
11 Correct 89 ms 137980 KB Output is correct
12 Correct 100 ms 137960 KB Output is correct
13 Correct 93 ms 137976 KB Output is correct
14 Correct 133 ms 137848 KB Output is correct
15 Correct 92 ms 137848 KB Output is correct
16 Correct 95 ms 138464 KB Output is correct
17 Correct 123 ms 142840 KB Output is correct
18 Correct 151 ms 149624 KB Output is correct
19 Correct 168 ms 151288 KB Output is correct
20 Correct 166 ms 151416 KB Output is correct
21 Correct 105 ms 139768 KB Output is correct
22 Correct 147 ms 149880 KB Output is correct
23 Correct 157 ms 148984 KB Output is correct
24 Correct 168 ms 151416 KB Output is correct
25 Correct 168 ms 151376 KB Output is correct
26 Correct 201 ms 151428 KB Output is correct
27 Correct 200 ms 151904 KB Output is correct
28 Correct 177 ms 152208 KB Output is correct
29 Correct 211 ms 151928 KB Output is correct
30 Correct 155 ms 151544 KB Output is correct
31 Correct 182 ms 151648 KB Output is correct
32 Correct 176 ms 151544 KB Output is correct
33 Correct 180 ms 152440 KB Output is correct
34 Correct 181 ms 152056 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 137464 KB Output is correct
2 Correct 102 ms 137336 KB Output is correct
3 Correct 97 ms 137324 KB Output is correct
4 Correct 92 ms 137336 KB Output is correct
5 Correct 92 ms 137336 KB Output is correct
6 Correct 93 ms 137336 KB Output is correct
7 Correct 83 ms 137336 KB Output is correct
8 Correct 88 ms 137464 KB Output is correct
9 Correct 89 ms 137592 KB Output is correct
10 Correct 103 ms 137976 KB Output is correct
11 Correct 98 ms 137976 KB Output is correct
12 Correct 99 ms 137848 KB Output is correct
13 Correct 91 ms 137848 KB Output is correct
14 Correct 96 ms 137976 KB Output is correct
15 Correct 91 ms 137948 KB Output is correct
16 Correct 106 ms 138440 KB Output is correct
17 Correct 115 ms 142816 KB Output is correct
18 Correct 145 ms 149680 KB Output is correct
19 Correct 157 ms 151504 KB Output is correct
20 Correct 162 ms 151416 KB Output is correct
21 Correct 98 ms 139872 KB Output is correct
22 Correct 143 ms 149880 KB Output is correct
23 Correct 144 ms 148984 KB Output is correct
24 Correct 163 ms 151392 KB Output is correct
25 Correct 162 ms 151416 KB Output is correct
26 Correct 160 ms 151544 KB Output is correct
27 Correct 166 ms 151900 KB Output is correct
28 Correct 157 ms 152184 KB Output is correct
29 Correct 166 ms 151928 KB Output is correct
30 Correct 174 ms 151520 KB Output is correct
31 Correct 164 ms 151648 KB Output is correct
32 Correct 176 ms 151544 KB Output is correct
33 Correct 179 ms 152440 KB Output is correct
34 Correct 172 ms 152056 KB Output is correct
35 Correct 151 ms 148704 KB Output is correct
36 Correct 122 ms 145144 KB Output is correct
37 Correct 182 ms 153040 KB Output is correct
38 Correct 183 ms 153464 KB Output is correct
39 Correct 172 ms 152312 KB Output is correct
40 Correct 189 ms 152444 KB Output is correct
41 Correct 186 ms 153184 KB Output is correct
42 Correct 158 ms 152056 KB Output is correct
43 Correct 157 ms 152312 KB Output is correct
44 Correct 161 ms 152088 KB Output is correct
45 Correct 244 ms 155872 KB Output is correct
46 Correct 241 ms 155256 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 137336 KB Output is correct
2 Correct 94 ms 137336 KB Output is correct
3 Correct 87 ms 137336 KB Output is correct
4 Correct 79 ms 137340 KB Output is correct
5 Correct 88 ms 137336 KB Output is correct
6 Correct 89 ms 137380 KB Output is correct
7 Correct 81 ms 137508 KB Output is correct
8 Correct 103 ms 137540 KB Output is correct
9 Correct 85 ms 137720 KB Output is correct
10 Correct 84 ms 137948 KB Output is correct
11 Correct 88 ms 137976 KB Output is correct
12 Correct 96 ms 137976 KB Output is correct
13 Correct 91 ms 137976 KB Output is correct
14 Correct 90 ms 137976 KB Output is correct
15 Correct 82 ms 137848 KB Output is correct
16 Correct 96 ms 138464 KB Output is correct
17 Correct 116 ms 142840 KB Output is correct
18 Correct 142 ms 149624 KB Output is correct
19 Correct 159 ms 151288 KB Output is correct
20 Correct 153 ms 151416 KB Output is correct
21 Correct 96 ms 139768 KB Output is correct
22 Correct 152 ms 149884 KB Output is correct
23 Correct 151 ms 148984 KB Output is correct
24 Correct 155 ms 151356 KB Output is correct
25 Correct 171 ms 151544 KB Output is correct
26 Correct 175 ms 151544 KB Output is correct
27 Correct 182 ms 151800 KB Output is correct
28 Correct 160 ms 152184 KB Output is correct
29 Correct 174 ms 151928 KB Output is correct
30 Correct 152 ms 151416 KB Output is correct
31 Correct 169 ms 151800 KB Output is correct
32 Correct 168 ms 151544 KB Output is correct
33 Correct 186 ms 152440 KB Output is correct
34 Correct 182 ms 152056 KB Output is correct
35 Correct 151 ms 148728 KB Output is correct
36 Correct 117 ms 145144 KB Output is correct
37 Correct 179 ms 153036 KB Output is correct
38 Correct 179 ms 153592 KB Output is correct
39 Correct 176 ms 152312 KB Output is correct
40 Correct 187 ms 152440 KB Output is correct
41 Correct 169 ms 153080 KB Output is correct
42 Correct 169 ms 152060 KB Output is correct
43 Correct 166 ms 152312 KB Output is correct
44 Correct 159 ms 151960 KB Output is correct
45 Correct 227 ms 155896 KB Output is correct
46 Correct 184 ms 155256 KB Output is correct
47 Correct 773 ms 231392 KB Output is correct
48 Runtime error 520 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
49 Halted 0 ms 0 KB -