Submission #536665

# Submission time Handle Problem Language Result Execution time Memory
536665 2022-03-13T17:53:55 Z Gurban Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
1000 ms 24748 KB
// #pragma GCC optimize("Ofast")
// #pragma GCC target("avx,avx2,fma")
#include "bits/stdc++.h"
using namespace std;

using ll = long long;

const int maxn=3e4+5;
int n,m;
int b[maxn],p[maxn];
vector<int>v[maxn];
map<pair<int,int>,int>dis;

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);

	cin >> n >> m;
	for(int i = 0;i < m;i++){
		cin >> b[i] >> p[i];
		v[b[i]].push_back(p[i]);
	}
	queue<pair<int,int>>q;
	q.push({b[0],p[0]});
	dis[{b[0],p[0]}] = 0;
	while(!q.empty()){
		int idx = q.front().first;
		int pi = q.front().second;
		q.pop();
		if(idx == b[1]) return cout<<dis[{idx,pi}],0;
		int now = dis[{idx,pi}];
		if(idx - pi >= 0){
			auto t = dis.find({idx - pi,pi});
			if(t == dis.end() or (t != dis.end() and (*t).second > now + 1)){
				dis[{idx - pi,pi}] = now + 1;
				q.push({idx - pi,pi});
			}
		}
		if(idx + pi < n){
			auto t = dis.find({idx + pi,pi});
			if(t == dis.end() or (t != dis.end() and (*t).second > now + 1)){
				dis[{idx + pi,pi}] = now + 1;
				q.push({idx + pi,pi});
			}
		}
		for(auto i : v[idx]){
			if(idx - i >= 0){
				auto t = dis.find({idx - i,i});
				if(t == dis.end() or (t != dis.end() and (*t).second > now + 1)){
					dis[{idx - i,i}] = now + 1;
					q.push({idx - i,i});
				}		
			}
			if(idx + i < n){
				auto t = dis.find({idx + i,i});
				if(t == dis.end() or (t != dis.end() and (*t).second > now + 1)){
					dis[{idx + i,i}] = now + 1;
					q.push({idx + i,i});
				}
			}
		}
	}
	cout<<-1;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 1048 KB Output is correct
14 Correct 8 ms 1372 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 9 ms 1316 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 3 ms 1236 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 1236 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 3 ms 1236 KB Output is correct
24 Correct 5 ms 1364 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 2 ms 1236 KB Output is correct
27 Correct 3 ms 1236 KB Output is correct
28 Correct 13 ms 2172 KB Output is correct
29 Correct 42 ms 4812 KB Output is correct
30 Correct 9 ms 2060 KB Output is correct
31 Correct 20 ms 3060 KB Output is correct
32 Correct 12 ms 2516 KB Output is correct
33 Correct 117 ms 8480 KB Output is correct
34 Correct 54 ms 5080 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 9 ms 1380 KB Output is correct
15 Correct 3 ms 1108 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 3 ms 1236 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 1236 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 4 ms 1268 KB Output is correct
24 Correct 5 ms 1456 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 2 ms 1236 KB Output is correct
27 Correct 2 ms 1236 KB Output is correct
28 Correct 11 ms 2260 KB Output is correct
29 Correct 43 ms 4784 KB Output is correct
30 Correct 10 ms 2008 KB Output is correct
31 Correct 19 ms 2968 KB Output is correct
32 Correct 13 ms 2512 KB Output is correct
33 Correct 115 ms 8636 KB Output is correct
34 Correct 50 ms 5024 KB Output is correct
35 Correct 36 ms 3268 KB Output is correct
36 Correct 2 ms 1108 KB Output is correct
37 Correct 14 ms 2692 KB Output is correct
38 Correct 25 ms 3380 KB Output is correct
39 Correct 6 ms 1496 KB Output is correct
40 Correct 6 ms 1492 KB Output is correct
41 Correct 7 ms 1748 KB Output is correct
42 Correct 5 ms 1492 KB Output is correct
43 Correct 6 ms 1620 KB Output is correct
44 Correct 6 ms 1492 KB Output is correct
45 Execution timed out 1097 ms 24708 KB Time limit exceeded
46 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 9 ms 1364 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 1 ms 992 KB Output is correct
17 Correct 4 ms 1248 KB Output is correct
18 Correct 1 ms 992 KB Output is correct
19 Correct 1 ms 984 KB Output is correct
20 Correct 2 ms 1240 KB Output is correct
21 Correct 1 ms 984 KB Output is correct
22 Correct 1 ms 984 KB Output is correct
23 Correct 3 ms 1240 KB Output is correct
24 Correct 5 ms 1368 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 2 ms 1236 KB Output is correct
27 Correct 3 ms 1236 KB Output is correct
28 Correct 12 ms 2172 KB Output is correct
29 Correct 40 ms 4844 KB Output is correct
30 Correct 11 ms 2004 KB Output is correct
31 Correct 19 ms 3080 KB Output is correct
32 Correct 12 ms 2412 KB Output is correct
33 Correct 115 ms 8480 KB Output is correct
34 Correct 51 ms 5172 KB Output is correct
35 Correct 37 ms 3324 KB Output is correct
36 Correct 2 ms 1108 KB Output is correct
37 Correct 14 ms 2680 KB Output is correct
38 Correct 24 ms 3388 KB Output is correct
39 Correct 6 ms 1492 KB Output is correct
40 Correct 6 ms 1492 KB Output is correct
41 Correct 9 ms 1748 KB Output is correct
42 Correct 6 ms 1492 KB Output is correct
43 Correct 7 ms 1620 KB Output is correct
44 Correct 7 ms 1492 KB Output is correct
45 Execution timed out 1099 ms 24748 KB Time limit exceeded
46 Halted 0 ms 0 KB -