oj.uz

Submission #477409

# Submission time Handle Problem Language Result Execution time Memory
477409 2021-10-02T04:00:51 Z KienTran Jakarta Skyscrapers (APIO15_skyscraper) C++14
10 / 100
 12 ms 14992 KB 
#include <bits/stdc++.h>

using namespace std;

const int O = 3e5 + 5;
const int N = 2e3 + 5;
const int inf = 1e9;

int n, m, b[O], p[O], d[O], c[N][N];
vector <pair <int, int>> g[O];
vector <int> a[O];

main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    cin >> n >> m;
    for (int i = 1; i <= m; ++ i){
        cin >> b[i] >> p[i];
        a[b[i]].push_back(p[i]);
    }

    for (int i = 0; i < n; ++ i){
        for (int j : a[i]){
            if (j == 0) continue;
            for (int z = i % j; z < n; z += j){
                if (z != i && !c[i][z]){
                    c[i][z] = true;
                    g[i].push_back({z, abs(i - z) / j});
                }
            }
        }
    }

    for (int i = 0; i < n; ++ i) d[i] = inf;

    priority_queue <pair <int, int>> q;
    q.push({0, b[1]}); d[b[1]] = 0;

    while (q.size()){
        int u = q.top().second;
        int du = -q.top().first;

        q.pop();
        if (d[u] != du) continue;

        for (auto i : g[u]){
            int v = i.first;
            int w = i.second;

            if (d[v] > d[u] + w){
                d[v] = d[u] + w;
                q.push({-d[v], v});
            }
        }
    }

    if (d[b[2]] >= 1e9) d[b[2]] = -1;
    cout << d[b[2]];
}

Compilation message

skyscraper.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main(){
      | ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 14340 KB Output is correct
2 Correct 7 ms 14412 KB Output is correct
3 Correct 8 ms 14436 KB Output is correct
4 Correct 7 ms 14436 KB Output is correct
5 Correct 7 ms 14412 KB Output is correct
6 Correct 8 ms 14412 KB Output is correct
7 Correct 7 ms 14412 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14412 KB Output is correct
2 Correct 8 ms 14412 KB Output is correct
3 Correct 8 ms 14412 KB Output is correct
4 Correct 7 ms 14428 KB Output is correct
5 Correct 8 ms 14440 KB Output is correct
6 Correct 8 ms 14412 KB Output is correct
7 Correct 8 ms 14412 KB Output is correct
8 Correct 8 ms 14412 KB Output is correct
9 Correct 8 ms 14540 KB Output is correct
10 Correct 8 ms 14796 KB Output is correct
11 Correct 8 ms 14864 KB Output is correct
12 Correct 8 ms 14504 KB Output is correct
13 Correct 9 ms 14968 KB Output is correct
14 Correct 11 ms 14592 KB Output is correct
15 Incorrect 8 ms 14668 KB Output isn't correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14412 KB Output is correct
2 Correct 7 ms 14408 KB Output is correct
3 Correct 7 ms 14412 KB Output is correct
4 Correct 8 ms 14412 KB Output is correct
5 Correct 8 ms 14412 KB Output is correct
6 Correct 8 ms 14412 KB Output is correct
7 Correct 8 ms 14412 KB Output is correct
8 Correct 8 ms 14412 KB Output is correct
9 Correct 8 ms 14540 KB Output is correct
10 Correct 9 ms 14796 KB Output is correct
11 Correct 12 ms 14924 KB Output is correct
12 Correct 8 ms 14392 KB Output is correct
13 Correct 9 ms 14924 KB Output is correct
14 Correct 9 ms 14668 KB Output is correct
15 Incorrect 8 ms 14668 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14412 KB Output is correct
2 Correct 7 ms 14412 KB Output is correct
3 Correct 8 ms 14412 KB Output is correct
4 Correct 8 ms 14340 KB Output is correct
5 Correct 8 ms 14412 KB Output is correct
6 Correct 7 ms 14340 KB Output is correct
7 Correct 9 ms 14428 KB Output is correct
8 Correct 9 ms 14464 KB Output is correct
9 Correct 8 ms 14540 KB Output is correct
10 Correct 9 ms 14804 KB Output is correct
11 Correct 8 ms 14872 KB Output is correct
12 Correct 8 ms 14412 KB Output is correct
13 Correct 8 ms 14924 KB Output is correct
14 Correct 8 ms 14624 KB Output is correct
15 Incorrect 10 ms 14616 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 14412 KB Output is correct
2 Correct 9 ms 14344 KB Output is correct
3 Correct 8 ms 14412 KB Output is correct
4 Correct 8 ms 14412 KB Output is correct
5 Correct 9 ms 14324 KB Output is correct
6 Correct 9 ms 14412 KB Output is correct
7 Correct 7 ms 14412 KB Output is correct
8 Correct 7 ms 14440 KB Output is correct
9 Correct 7 ms 14540 KB Output is correct
10 Correct 8 ms 14796 KB Output is correct
11 Correct 9 ms 14924 KB Output is correct
12 Correct 10 ms 14480 KB Output is correct
13 Correct 9 ms 14992 KB Output is correct
14 Correct 9 ms 14668 KB Output is correct
15 Incorrect 8 ms 14668 KB Output isn't correct
16 Halted 0 ms 0 KB -