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Submission #874505

# Submission time Handle Problem Language Result Execution time Memory
874505 2023-11-17T07:22:06 Z Alish Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 843 ms 7300 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long int	ll;
typedef pair<int, int>	pii;
typedef pair<ll, ll>	pll;


#define F		        first
#define S		        second
#define pb		        push_back
#define endl            '\n'
#define Mp		        make_pair
#define all(x)          x.begin(), x.end()
#define debug(x)        cerr << #x << " = " << x << endl;
#define fast_io         ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file_io         freopen("in.txt" , "r+" , stdin) ; freopen("out.txt" , "w+" , stdout);


ll mod = 1e9+7 ;

const int N = 3e4+23;
const ll INF= 1e18+23;

vector<int> g[N];
int d[N];
int b[N];
int n , m;
ll dist[N];
int vis[N];

void bfs(){
    fast_io
    for (int i=0; i<=n; i++) dist[i]=INF;
    dist[b[0]]=0;
    priority_queue<pll, vector<pll>, greater<pll> > q;
    q.push({0, b[0]});
    while(!q.empty()){
        int v=q.top().S; q.pop();
        if(vis[v]) continue;
        vis[v]=1;
        for (int d: g[v]){
            for (int i=1; v+i*d<n; i++){
                int u=i*d+v;
                    if(dist[u]>dist[v]+i){
                        dist[u]=dist[v]+i;
                        q.push({dist[u], u});
                    }

            }
            for (int i=1; v-i*d>=0; i++){
                int u=-i*d+v;
                if(dist[u]>dist[v]+i){
                    dist[u]=dist[v]+i;
                    q.push({dist[u], u});
                }

            }
        }

    }
}

int main()
{

    cin>>n>>m;
    for (int i=0; i<m; i++) cin>>b[i]>>d[i];
    for (int i=0; i<m; i++) g[b[i]].pb(d[i]);

    bfs();
    if(dist[b[1]]>=INF) dist[b[1]]=-1;
    cout<<dist[b[1]]<<endl;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1116 KB Output is correct
2 Correct 0 ms 1116 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 0 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 0 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1112 KB Output is correct
4 Correct 0 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 0 ms 1116 KB Output is correct
8 Correct 0 ms 1116 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1112 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 0 ms 1116 KB Output is correct
3 Correct 1 ms 1008 KB Output is correct
4 Correct 0 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 0 ms 1116 KB Output is correct
7 Correct 0 ms 1116 KB Output is correct
8 Correct 1 ms 1112 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 2 ms 1116 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 5 ms 1116 KB Output is correct
21 Correct 1 ms 1368 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 1 ms 1116 KB Output is correct
24 Correct 2 ms 1116 KB Output is correct
25 Correct 2 ms 1368 KB Output is correct
26 Correct 5 ms 1112 KB Output is correct
27 Correct 5 ms 1112 KB Output is correct
28 Correct 2 ms 1116 KB Output is correct
29 Correct 2 ms 1500 KB Output is correct
30 Correct 1 ms 1368 KB Output is correct
31 Correct 1 ms 1368 KB Output is correct
32 Correct 1 ms 1372 KB Output is correct
33 Correct 3 ms 1628 KB Output is correct
34 Correct 3 ms 1504 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 0 ms 1116 KB Output is correct
3 Correct 0 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 0 ms 1116 KB Output is correct
7 Correct 0 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1112 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 1 ms 1116 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 5 ms 1112 KB Output is correct
21 Correct 1 ms 1116 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 1 ms 1116 KB Output is correct
24 Correct 2 ms 1116 KB Output is correct
25 Correct 2 ms 1372 KB Output is correct
26 Correct 5 ms 1116 KB Output is correct
27 Correct 4 ms 1116 KB Output is correct
28 Correct 1 ms 1116 KB Output is correct
29 Correct 2 ms 1500 KB Output is correct
30 Correct 1 ms 1372 KB Output is correct
31 Correct 1 ms 1372 KB Output is correct
32 Correct 1 ms 1368 KB Output is correct
33 Correct 3 ms 1628 KB Output is correct
34 Correct 3 ms 1556 KB Output is correct
35 Correct 10 ms 1628 KB Output is correct
36 Correct 2 ms 1116 KB Output is correct
37 Correct 8 ms 1696 KB Output is correct
38 Correct 12 ms 1884 KB Output is correct
39 Correct 12 ms 1628 KB Output is correct
40 Correct 12 ms 1788 KB Output is correct
41 Correct 12 ms 1884 KB Output is correct
42 Correct 64 ms 1628 KB Output is correct
43 Correct 63 ms 1624 KB Output is correct
44 Correct 65 ms 1624 KB Output is correct
45 Correct 11 ms 1884 KB Output is correct
46 Correct 11 ms 1884 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 0 ms 1116 KB Output is correct
4 Correct 1 ms 1112 KB Output is correct
5 Correct 0 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 1 ms 1116 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 5 ms 1116 KB Output is correct
21 Correct 1 ms 1116 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 1 ms 1116 KB Output is correct
24 Correct 2 ms 1116 KB Output is correct
25 Correct 2 ms 1372 KB Output is correct
26 Correct 5 ms 1116 KB Output is correct
27 Correct 4 ms 1112 KB Output is correct
28 Correct 1 ms 1116 KB Output is correct
29 Correct 2 ms 1500 KB Output is correct
30 Correct 1 ms 1384 KB Output is correct
31 Correct 1 ms 1384 KB Output is correct
32 Correct 1 ms 1384 KB Output is correct
33 Correct 3 ms 1640 KB Output is correct
34 Correct 3 ms 1628 KB Output is correct
35 Correct 10 ms 1628 KB Output is correct
36 Correct 2 ms 1116 KB Output is correct
37 Correct 8 ms 1628 KB Output is correct
38 Correct 12 ms 1884 KB Output is correct
39 Correct 12 ms 1784 KB Output is correct
40 Correct 12 ms 1880 KB Output is correct
41 Correct 13 ms 1880 KB Output is correct
42 Correct 74 ms 1884 KB Output is correct
43 Correct 64 ms 1624 KB Output is correct
44 Correct 75 ms 1660 KB Output is correct
45 Correct 12 ms 2040 KB Output is correct
46 Correct 11 ms 1880 KB Output is correct
47 Correct 18 ms 3028 KB Output is correct
48 Correct 10 ms 1884 KB Output is correct
49 Correct 9 ms 1884 KB Output is correct
50 Correct 7 ms 1884 KB Output is correct
51 Correct 28 ms 4300 KB Output is correct
52 Correct 26 ms 3280 KB Output is correct
53 Correct 19 ms 3280 KB Output is correct
54 Correct 2 ms 1760 KB Output is correct
55 Correct 2 ms 1760 KB Output is correct
56 Correct 820 ms 3212 KB Output is correct
57 Correct 40 ms 6604 KB Output is correct
58 Correct 757 ms 2264 KB Output is correct
59 Correct 843 ms 2264 KB Output is correct
60 Correct 769 ms 2264 KB Output is correct
61 Correct 744 ms 2264 KB Output is correct
62 Correct 15 ms 2652 KB Output is correct
63 Correct 31 ms 4052 KB Output is correct
64 Correct 36 ms 6464 KB Output is correct
65 Correct 44 ms 6868 KB Output is correct
66 Correct 51 ms 6092 KB Output is correct
67 Correct 49 ms 7300 KB Output is correct