Submission #879551

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
879551	2023-11-27T16:13:14 Z	Shayan86	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	501 ms	4056 KB

skyscraper

#include <bits/stdc++.h>
using namespace std;

#pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
// Ofast, O0, O1, O2, O3, unroll-loops, fast-math, trapv

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

#define Mp          make_pair
#define sep         ' '
#define endl        '\n'
#define F	        first
#define S	        second
#define pb          push_back
#define all(x)      (x).begin(),(x).end()
#define kill(res)	cout << res << '\n', exit(0);
#define set_dec(x)	cout << fixed << setprecision(x);
#define fast_io     ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file_io     freopen("input.txt", "r", stdin) ; freopen("output.txt", "w", stdout);

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const ll N = 3e4 + 50;
const ll inf = 15e8;

int n, m, b[N], dist[N];

bool mark[N];
vector<int> pw[N];

void dijk(int v){
    fill(dist, dist + N, inf);

    priority_queue<pii, vector<pii>, greater<pii>> pq;
    pq.push(Mp(0, v)); dist[v] = 0;

    while(!pq.empty()){
        int v = pq.top().S; pq.pop();
        if(mark[v]) continue;
        mark[v] = true;

        for(int p: pw[v]){
            for(int u = v+p, i = 1; u < n; u += p, i++){
                if(dist[u] > dist[v] + i){
                    dist[u] = dist[v] + i;
                    pq.push(Mp(dist[u], u));
                }
            }
            for(int u = v-p, i = 1; u >= 0; u -= p, i++){
                if(dist[u] > dist[v] + i){
                    dist[u] = dist[v] + i;
                    pq.push(Mp(dist[u], u));
                }
            }
        }
    }
}

int main(){
    fast_io;

    cin >> n >> m;

    int p;
    for(int i = 0; i < m; i++){
        cin >> b[i] >> p;
        pw[b[i]].pb(p);
    }

    dijk(b[0]);

    if(dist[b[1]] >= inf) kill(-1);
    kill(dist[b[1]]);

}

Subtask #1
10.0 / 10.0

#	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	1 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	1 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	1116 KB	Output is correct
2	Correct	1 ms	1116 KB	Output is correct
3	Correct	1 ms	1116 KB	Output is correct
4	Correct	1 ms	1368 KB	Output is correct
5	Correct	1 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	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

Subtask #3
14.0 / 14.0

#	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	1 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	1 ms	1116 KB	Output is correct
7	Correct	1 ms	1116 KB	Output is correct
8	Correct	1 ms	1180 KB	Output is correct
9	Correct	1 ms	1116 KB	Output is correct
10	Correct	1 ms	1112 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	1200 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	1372 KB	Output is correct
18	Correct	1 ms	1116 KB	Output is correct
19	Correct	1 ms	1116 KB	Output is correct
20	Correct	3 ms	1420 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	1 ms	1372 KB	Output is correct
25	Correct	2 ms	1184 KB	Output is correct
26	Correct	3 ms	1352 KB	Output is correct
27	Correct	3 ms	1112 KB	Output is correct
28	Correct	1 ms	1368 KB	Output is correct
29	Correct	2 ms	1372 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	1372 KB	Output is correct
33	Correct	2 ms	1372 KB	Output is correct
34	Correct	3 ms	1372 KB	Output is correct

Subtask #4
21.0 / 21.0

#	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	1300 KB	Output is correct
4	Correct	1 ms	1116 KB	Output is correct
5	Correct	1 ms	1172 KB	Output is correct
6	Correct	1 ms	1116 KB	Output is correct
7	Correct	1 ms	1364 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	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	1188 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	3 ms	1372 KB	Output is correct
21	Correct	1 ms	1112 KB	Output is correct
22	Correct	1 ms	1116 KB	Output is correct
23	Correct	1 ms	1116 KB	Output is correct
24	Correct	1 ms	1372 KB	Output is correct
25	Correct	1 ms	1372 KB	Output is correct
26	Correct	3 ms	1116 KB	Output is correct
27	Correct	3 ms	1116 KB	Output is correct
28	Correct	1 ms	1372 KB	Output is correct
29	Correct	2 ms	1372 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	1372 KB	Output is correct
33	Correct	3 ms	1372 KB	Output is correct
34	Correct	2 ms	1568 KB	Output is correct
35	Correct	5 ms	1884 KB	Output is correct
36	Correct	2 ms	1444 KB	Output is correct
37	Correct	4 ms	1696 KB	Output is correct
38	Correct	6 ms	2132 KB	Output is correct
39	Correct	6 ms	1884 KB	Output is correct
40	Correct	6 ms	2004 KB	Output is correct
41	Correct	6 ms	1884 KB	Output is correct
42	Correct	36 ms	1872 KB	Output is correct
43	Correct	36 ms	1844 KB	Output is correct
44	Correct	36 ms	1692 KB	Output is correct
45	Correct	5 ms	1880 KB	Output is correct
46	Correct	5 ms	1884 KB	Output is correct

Subtask #5
43.0 / 43.0

#	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	1116 KB	Output is correct
4	Correct	1 ms	1116 KB	Output is correct
5	Correct	1 ms	1112 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	1136 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	1168 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	3 ms	1372 KB	Output is correct
21	Correct	1 ms	1116 KB	Output is correct
22	Correct	1 ms	1112 KB	Output is correct
23	Correct	1 ms	1116 KB	Output is correct
24	Correct	1 ms	1372 KB	Output is correct
25	Correct	3 ms	1372 KB	Output is correct
26	Correct	3 ms	1116 KB	Output is correct
27	Correct	3 ms	1112 KB	Output is correct
28	Correct	1 ms	1372 KB	Output is correct
29	Correct	2 ms	1372 KB	Output is correct
30	Correct	1 ms	1372 KB	Output is correct
31	Correct	1 ms	1436 KB	Output is correct
32	Correct	1 ms	1372 KB	Output is correct
33	Correct	3 ms	1372 KB	Output is correct
34	Correct	2 ms	1372 KB	Output is correct
35	Correct	5 ms	1792 KB	Output is correct
36	Correct	2 ms	1368 KB	Output is correct
37	Correct	4 ms	1628 KB	Output is correct
38	Correct	6 ms	1956 KB	Output is correct
39	Correct	6 ms	1884 KB	Output is correct
40	Correct	6 ms	1868 KB	Output is correct
41	Correct	6 ms	1884 KB	Output is correct
42	Correct	38 ms	1704 KB	Output is correct
43	Correct	35 ms	1624 KB	Output is correct
44	Correct	36 ms	1624 KB	Output is correct
45	Correct	5 ms	1880 KB	Output is correct
46	Correct	5 ms	1884 KB	Output is correct
47	Correct	12 ms	2520 KB	Output is correct
48	Correct	6 ms	1968 KB	Output is correct
49	Correct	4 ms	1884 KB	Output is correct
50	Correct	3 ms	1884 KB	Output is correct
51	Correct	19 ms	3284 KB	Output is correct
52	Correct	18 ms	2776 KB	Output is correct
53	Correct	10 ms	2776 KB	Output is correct
54	Correct	2 ms	1372 KB	Output is correct
55	Correct	2 ms	1372 KB	Output is correct
56	Correct	496 ms	2952 KB	Output is correct
57	Correct	34 ms	3532 KB	Output is correct
58	Correct	481 ms	1884 KB	Output is correct
59	Correct	479 ms	1912 KB	Output is correct
60	Correct	501 ms	2012 KB	Output is correct
61	Correct	458 ms	2012 KB	Output is correct
62	Correct	6 ms	2708 KB	Output is correct
63	Correct	23 ms	2856 KB	Output is correct
64	Correct	24 ms	4048 KB	Output is correct
65	Correct	35 ms	4056 KB	Output is correct
66	Correct	40 ms	3788 KB	Output is correct
67	Correct	40 ms	3980 KB	Output is correct

Submission #879551

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0