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Submission #536790

# Submission time Handle Problem Language Result Execution time Memory
536790 2022-03-14T03:38:22 Z Gurban Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 81360 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];
unordered_map<int,int>dis;
 
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
 
	cin >> n >> m;
	int mx = max(n,m) + 1;
	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] * mx + p[0]] = 0;
	while(!q.empty()){
		int idx = q.front().first;
		int pi = q.front().second;
		q.pop();
		int now = dis[idx * mx + pi];
		if(idx == b[1]) return cout<<now,0;
		if(idx - pi >= 0){
			auto t = dis.find((idx - pi) * mx + pi);
			if(t == dis.end() or (t != dis.end() and (*t).second > now + 1)){
				dis[(idx - pi) * mx + pi] = now + 1;
				q.push({idx - pi,pi});
			}
		}
		if(idx + pi < n){
			auto t = dis.find((idx + pi) * mx + pi);
			if(t == dis.end() or (t != dis.end() and (*t).second > now + 1)){
				dis[(idx + pi) * mx + pi] = now + 1;
				q.push({idx + pi,pi});
			}
		}
		for(auto i : v[idx]){
			if(idx - i >= 0){
				auto t = dis.find((idx - i) * mx + i);
				if(t == dis.end() or (t != dis.end() and (*t).second > now + 1)){
					dis[(idx - i) * mx + i] = now + 1;
					q.push({idx - i,i});
				}		
			}
			if(idx + i < n){
				auto t = dis.find((idx + i) * mx + i);
				if(t == dis.end() or (t != dis.end() and (*t).second > now + 1)){
					dis[(idx + i) * mx + i] = now + 1;
					q.push({idx + i,i});
				}
			}
		}
	}
	cout<<-1;
}

Subtask #1
10.0 / 10.0

# 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 1032 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 2 ms 980 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 1040 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 1036 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 1028 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 2 ms 1040 KB Output is correct
13 Correct 2 ms 980 KB Output is correct
14 Correct 3 ms 1364 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct

Subtask #3
14.0 / 14.0

# 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 1012 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 1032 KB Output is correct
8 Correct 1 ms 1036 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 1052 KB Output is correct
12 Correct 1 ms 1036 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 4 ms 1336 KB Output is correct
15 Correct 2 ms 1128 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 2 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 2 ms 1180 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 2 ms 1236 KB Output is correct
24 Correct 3 ms 1288 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 2 ms 1176 KB Output is correct
28 Correct 4 ms 1876 KB Output is correct
29 Correct 9 ms 3616 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 6 ms 2352 KB Output is correct
32 Correct 4 ms 2260 KB Output is correct
33 Correct 19 ms 6088 KB Output is correct
34 Correct 11 ms 3684 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1032 KB Output is correct
2 Correct 1 ms 1036 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 1044 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 1036 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1036 KB Output is correct
11 Correct 1 ms 1044 KB Output is correct
12 Correct 2 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 3 ms 1364 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 2 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 2 ms 1108 KB Output is correct
21 Correct 1 ms 1068 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 2 ms 1172 KB Output is correct
24 Correct 3 ms 1364 KB Output is correct
25 Correct 2 ms 1108 KB Output is correct
26 Correct 2 ms 1108 KB Output is correct
27 Correct 3 ms 1176 KB Output is correct
28 Correct 5 ms 1876 KB Output is correct
29 Correct 9 ms 3556 KB Output is correct
30 Correct 3 ms 1620 KB Output is correct
31 Correct 6 ms 2352 KB Output is correct
32 Correct 5 ms 2132 KB Output is correct
33 Correct 21 ms 6088 KB Output is correct
34 Correct 17 ms 3748 KB Output is correct
35 Correct 14 ms 2932 KB Output is correct
36 Correct 3 ms 1108 KB Output is correct
37 Correct 11 ms 2452 KB Output is correct
38 Correct 17 ms 3048 KB Output is correct
39 Correct 7 ms 1700 KB Output is correct
40 Correct 10 ms 1700 KB Output is correct
41 Correct 8 ms 2008 KB Output is correct
42 Correct 6 ms 1748 KB Output is correct
43 Correct 6 ms 1680 KB Output is correct
44 Correct 7 ms 1620 KB Output is correct
45 Correct 271 ms 22272 KB Output is correct
46 Correct 186 ms 12964 KB Output is correct

Subtask #5
0 / 43.0

# 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 2 ms 1032 KB Output is correct
5 Correct 1 ms 1036 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 2 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 2 ms 984 KB Output is correct
12 Correct 1 ms 984 KB Output is correct
13 Correct 2 ms 984 KB Output is correct
14 Correct 4 ms 1368 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 2 ms 980 KB Output is correct
17 Correct 2 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 2 ms 1108 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 2 ms 980 KB Output is correct
23 Correct 2 ms 1168 KB Output is correct
24 Correct 4 ms 1364 KB Output is correct
25 Correct 2 ms 1108 KB Output is correct
26 Correct 2 ms 1108 KB Output is correct
27 Correct 2 ms 1236 KB Output is correct
28 Correct 6 ms 1876 KB Output is correct
29 Correct 12 ms 3624 KB Output is correct
30 Correct 4 ms 1620 KB Output is correct
31 Correct 6 ms 2352 KB Output is correct
32 Correct 5 ms 2132 KB Output is correct
33 Correct 26 ms 6088 KB Output is correct
34 Correct 13 ms 3684 KB Output is correct
35 Correct 14 ms 2992 KB Output is correct
36 Correct 3 ms 1092 KB Output is correct
37 Correct 8 ms 2468 KB Output is correct
38 Correct 12 ms 3060 KB Output is correct
39 Correct 7 ms 1764 KB Output is correct
40 Correct 7 ms 1752 KB Output is correct
41 Correct 8 ms 1948 KB Output is correct
42 Correct 9 ms 1684 KB Output is correct
43 Correct 6 ms 1748 KB Output is correct
44 Correct 9 ms 1620 KB Output is correct
45 Correct 245 ms 22204 KB Output is correct
46 Correct 145 ms 12980 KB Output is correct
47 Correct 9 ms 2512 KB Output is correct
48 Correct 8 ms 1820 KB Output is correct
49 Correct 6 ms 1820 KB Output is correct
50 Correct 6 ms 1656 KB Output is correct
51 Correct 20 ms 4520 KB Output is correct
52 Correct 22 ms 4564 KB Output is correct
53 Correct 10 ms 2452 KB Output is correct
54 Correct 4 ms 1620 KB Output is correct
55 Correct 4 ms 2132 KB Output is correct
56 Correct 11 ms 3700 KB Output is correct
57 Correct 2 ms 1060 KB Output is correct
58 Correct 24 ms 4220 KB Output is correct
59 Correct 14 ms 4056 KB Output is correct
60 Correct 20 ms 3952 KB Output is correct
61 Correct 14 ms 3940 KB Output is correct
62 Correct 242 ms 21852 KB Output is correct
63 Execution timed out 1100 ms 81360 KB Time limit exceeded
64 Halted 0 ms 0 KB -