Submission #1090606

# Submission time Handle Problem Language Result Execution time Memory
1090606 2024-09-18T13:58:28 Z codexistent Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
241 ms 262144 KB
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define MAXN 30005
#define FOR(i, a, b) for(ll i = a; i <= b; i++)

ll n, m, d[MAXN], b0 = 0, b1 = 0;
vector<ll> p[MAXN];
vector<pair<ll, ll>> adj[MAXN];

int main(){
    cin >> n >> m;
    FOR(i, 1, m){
        ll bi, pi; cin >> bi >> pi;
        
        if(i == 1) b0 = bi;
        if(i == 2) b1 = bi;

        p[bi].push_back(pi);
    }

    FOR(i, 0, n - 1){
        for(ll pi : p[i]){
            ll j = i;
            while(0 <= j - pi){
                j -= pi;
                adj[i].push_back({j, (i - j) / pi});
            }

            j = i;
            while(j + pi <= n){
                j += pi;
                adj[i].push_back({j, (j - i) / pi});
            }
        }
        d[i] = -1;
    }

    /*cout << "b0, b1 are " << b0 << " and " << b1 << endl;
    FOR(i, 0, n - 1){
        cout << "edges from " << i << ": " << endl;
        for(auto j : adj[i]){
            cout << " goes to " << j.first << " in " << j.second  << " jumps" << endl;
        }
    }*/

    priority_queue<pair<ll, ll>> pq;
    d[b0] = 0, pq.push({0, b0});
    while(!pq.empty()){
        auto pqi = pq.top(); pqi.first *= -1;
        pq.pop();

        if(d[pqi.second] < pqi.first) continue;
        if(pqi.second == b1) break;

        for(auto i : adj[pqi.second]){
            if(d[i.first] == -1 || pqi.first + i.second < d[i.first]){
                d[i.first] = pqi.first + i.second;
                pq.push({-d[i.first], i.first});
            }
        }

        // cout << "HERE " << pqi.second << " w/ d = " << pqi.first << endl;
    }

    cout << d[b1] << endl;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1624 KB Output is correct
5 Correct 1 ms 1624 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1624 KB Output is correct
4 Correct 2 ms 1672 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1624 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 2 ms 1884 KB Output is correct
12 Correct 6 ms 6064 KB Output is correct
13 Correct 6 ms 6088 KB Output is correct
14 Correct 2 ms 1884 KB Output is correct
15 Correct 1 ms 1784 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 1624 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1848 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1624 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 1884 KB Output is correct
12 Correct 5 ms 5936 KB Output is correct
13 Correct 6 ms 6096 KB Output is correct
14 Correct 1 ms 1884 KB Output is correct
15 Correct 1 ms 1884 KB Output is correct
16 Correct 1 ms 1884 KB Output is correct
17 Correct 2 ms 2396 KB Output is correct
18 Correct 1 ms 1884 KB Output is correct
19 Correct 1 ms 1884 KB Output is correct
20 Correct 73 ms 66136 KB Output is correct
21 Correct 1 ms 1880 KB Output is correct
22 Correct 2 ms 1884 KB Output is correct
23 Correct 1 ms 1884 KB Output is correct
24 Correct 3 ms 2140 KB Output is correct
25 Correct 2 ms 1884 KB Output is correct
26 Correct 78 ms 67692 KB Output is correct
27 Correct 79 ms 67740 KB Output is correct
28 Correct 2 ms 2392 KB Output is correct
29 Correct 3 ms 3136 KB Output is correct
30 Correct 2 ms 2392 KB Output is correct
31 Correct 3 ms 2652 KB Output is correct
32 Correct 2 ms 2416 KB Output is correct
33 Correct 4 ms 4220 KB Output is correct
34 Correct 4 ms 4312 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1628 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1628 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 2 ms 1916 KB Output is correct
12 Correct 5 ms 6092 KB Output is correct
13 Correct 6 ms 6092 KB Output is correct
14 Correct 2 ms 1884 KB Output is correct
15 Correct 1 ms 1884 KB Output is correct
16 Correct 1 ms 1880 KB Output is correct
17 Correct 2 ms 2392 KB Output is correct
18 Correct 3 ms 1884 KB Output is correct
19 Correct 1 ms 1852 KB Output is correct
20 Correct 71 ms 65924 KB Output is correct
21 Correct 2 ms 1884 KB Output is correct
22 Correct 2 ms 1884 KB Output is correct
23 Correct 2 ms 1884 KB Output is correct
24 Correct 2 ms 2140 KB Output is correct
25 Correct 2 ms 1884 KB Output is correct
26 Correct 77 ms 67716 KB Output is correct
27 Correct 76 ms 67620 KB Output is correct
28 Correct 2 ms 2396 KB Output is correct
29 Correct 2 ms 3128 KB Output is correct
30 Correct 2 ms 2396 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 5 ms 4052 KB Output is correct
34 Correct 4 ms 4332 KB Output is correct
35 Correct 18 ms 5212 KB Output is correct
36 Correct 3 ms 2140 KB Output is correct
37 Correct 11 ms 8520 KB Output is correct
38 Correct 14 ms 7260 KB Output is correct
39 Correct 14 ms 7448 KB Output is correct
40 Correct 14 ms 7520 KB Output is correct
41 Correct 15 ms 7224 KB Output is correct
42 Runtime error 223 ms 262144 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1848 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 2 ms 1884 KB Output is correct
12 Correct 5 ms 6092 KB Output is correct
13 Correct 5 ms 6096 KB Output is correct
14 Correct 1 ms 1884 KB Output is correct
15 Correct 2 ms 1884 KB Output is correct
16 Correct 1 ms 1884 KB Output is correct
17 Correct 2 ms 2400 KB Output is correct
18 Correct 1 ms 1884 KB Output is correct
19 Correct 1 ms 1884 KB Output is correct
20 Correct 71 ms 66068 KB Output is correct
21 Correct 2 ms 1884 KB Output is correct
22 Correct 1 ms 1884 KB Output is correct
23 Correct 2 ms 1908 KB Output is correct
24 Correct 2 ms 2140 KB Output is correct
25 Correct 2 ms 1884 KB Output is correct
26 Correct 81 ms 67652 KB Output is correct
27 Correct 73 ms 67708 KB Output is correct
28 Correct 2 ms 2392 KB Output is correct
29 Correct 3 ms 3152 KB Output is correct
30 Correct 2 ms 2396 KB Output is correct
31 Correct 4 ms 2652 KB Output is correct
32 Correct 2 ms 2392 KB Output is correct
33 Correct 5 ms 4032 KB Output is correct
34 Correct 4 ms 4308 KB Output is correct
35 Correct 11 ms 5208 KB Output is correct
36 Correct 4 ms 2140 KB Output is correct
37 Correct 12 ms 8284 KB Output is correct
38 Correct 16 ms 7424 KB Output is correct
39 Correct 14 ms 7492 KB Output is correct
40 Correct 15 ms 7516 KB Output is correct
41 Correct 17 ms 7256 KB Output is correct
42 Runtime error 241 ms 262144 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -