Submission #738643

# Submission time Handle Problem Language Result Execution time Memory
738643 2023-05-09T10:07:32 Z Alihan_8 Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
170 ms 126108 KB
#include <bits/stdc++.h>

using namespace std;

#define all(x) x.begin(), x.end()
#define pb push_back
#define ln '\n'
#define int long long

template <class _T>
bool chmin(_T &x, const _T &y){
    bool flag = false;
    if ( x > y ){
        x = y; flag |= true;
    }
    return flag;
}

template <class _T>
bool chmax(_T &x, const _T &y){
    bool flag = false;
    if ( x < y ){
        x = y; flag |= true;
    }
    return flag;
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, m; cin >> n >> m;
    set <int> s[n + 1];
    int st = -1, en = -1;
    for ( int i = 1; i <= m; i++ ){
        int pos, v; cin >> pos >> v;
        st = i == 1 ? pos : st;
        en = i == 2 ? pos : en;
        s[pos].insert(v);
    }
    vector <pair<int,int>> g[n];
    for ( int i = 0; i < n; i++ ){
        for ( auto d: s[i] ){
            for ( int j = i - d; j >= 0; j -= d ){
                g[i].pb({j, (i - j) / d});
                if ( s[j].count(d) ) break;
            }
            for ( int j = i + d; j < n; j += d ){
                g[i].pb({j, (j - i) / d});
                if ( s[j].count(d) ) break;
            }
        }
    }
    const int inf = 1e17 + 1;
    vector <int> dis(n, inf);
    dis[st] = 0;
    priority_queue <pair<int,int>> q;
    q.push({0, st});
    while ( !q.empty() ){
        auto [val, x] = q.top();
        q.pop(); val = -val;
        if ( val > dis[x] ) continue;
        for ( auto [to, w]: g[x] ){
            if ( chmin(dis[to], w + val) ){
                q.push({-dis[to], to});
            }
        }
    }
    int res = dis[en];
    cout << (res == inf ? -1 : res);

    cout << '\n';
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 228 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 456 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 588 KB Output is correct
24 Correct 2 ms 852 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 1 ms 724 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 2 ms 980 KB Output is correct
29 Correct 3 ms 1876 KB Output is correct
30 Correct 2 ms 980 KB Output is correct
31 Correct 2 ms 1364 KB Output is correct
32 Correct 2 ms 1108 KB Output is correct
33 Correct 5 ms 2912 KB Output is correct
34 Correct 5 ms 2912 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 2 ms 852 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 596 KB Output is correct
24 Correct 2 ms 852 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 2 ms 724 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 2 ms 980 KB Output is correct
29 Correct 3 ms 1876 KB Output is correct
30 Correct 3 ms 1084 KB Output is correct
31 Correct 2 ms 1364 KB Output is correct
32 Correct 2 ms 1084 KB Output is correct
33 Correct 5 ms 2912 KB Output is correct
34 Correct 5 ms 2912 KB Output is correct
35 Correct 17 ms 3812 KB Output is correct
36 Correct 3 ms 980 KB Output is correct
37 Correct 17 ms 5580 KB Output is correct
38 Correct 19 ms 5568 KB Output is correct
39 Correct 18 ms 5704 KB Output is correct
40 Correct 18 ms 5584 KB Output is correct
41 Correct 22 ms 5588 KB Output is correct
42 Correct 4 ms 844 KB Output is correct
43 Correct 4 ms 768 KB Output is correct
44 Correct 4 ms 908 KB Output is correct
45 Correct 21 ms 10216 KB Output is correct
46 Correct 22 ms 10284 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 452 KB Output is correct
16 Correct 1 ms 456 KB Output is correct
17 Correct 2 ms 852 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 580 KB Output is correct
24 Correct 2 ms 852 KB Output is correct
25 Correct 2 ms 772 KB Output is correct
26 Correct 1 ms 724 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 2 ms 980 KB Output is correct
29 Correct 3 ms 1876 KB Output is correct
30 Correct 2 ms 980 KB Output is correct
31 Correct 2 ms 1364 KB Output is correct
32 Correct 2 ms 1112 KB Output is correct
33 Correct 5 ms 2916 KB Output is correct
34 Correct 4 ms 3016 KB Output is correct
35 Correct 13 ms 3796 KB Output is correct
36 Correct 3 ms 980 KB Output is correct
37 Correct 17 ms 5652 KB Output is correct
38 Correct 19 ms 5588 KB Output is correct
39 Correct 20 ms 5692 KB Output is correct
40 Correct 18 ms 5552 KB Output is correct
41 Correct 19 ms 5588 KB Output is correct
42 Correct 5 ms 848 KB Output is correct
43 Correct 5 ms 792 KB Output is correct
44 Correct 5 ms 852 KB Output is correct
45 Correct 21 ms 10292 KB Output is correct
46 Correct 21 ms 10236 KB Output is correct
47 Correct 44 ms 20020 KB Output is correct
48 Correct 15 ms 7760 KB Output is correct
49 Correct 12 ms 6168 KB Output is correct
50 Correct 12 ms 6116 KB Output is correct
51 Correct 39 ms 11692 KB Output is correct
52 Correct 37 ms 12748 KB Output is correct
53 Correct 17 ms 7004 KB Output is correct
54 Correct 4 ms 3416 KB Output is correct
55 Correct 5 ms 4432 KB Output is correct
56 Correct 13 ms 5608 KB Output is correct
57 Correct 36 ms 19736 KB Output is correct
58 Correct 9 ms 4812 KB Output is correct
59 Correct 11 ms 5412 KB Output is correct
60 Correct 12 ms 6664 KB Output is correct
61 Correct 11 ms 5452 KB Output is correct
62 Correct 24 ms 14028 KB Output is correct
63 Correct 68 ms 45288 KB Output is correct
64 Correct 74 ms 51908 KB Output is correct
65 Correct 98 ms 71640 KB Output is correct
66 Correct 170 ms 125944 KB Output is correct
67 Correct 170 ms 126108 KB Output is correct