oj.uz

Submission #906455

# Submission time Handle Problem Language Result Execution time Memory
906455 2024-01-14T10:12:43 Z pcc Cheap flights (LMIO18_pigus_skrydziai) C++14
100 / 100
 2923 ms 81908 KB 
#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace __gnu_pbds;
using namespace std;

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,popcnt")

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>


const int mxn = 3e5+10;
const int lim = 2.6*CLOCKS_PER_SEC;
int N,M;
unordered_map<int,ll> mp[mxn];
vector<tlll> edges;
ll sum[mxn];

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int st = clock();
	cin>>N>>M;
	for(int i = 0;i<M;i++){
		int a,b,c;
		cin>>a>>b>>c;
		mp[a][b] = c;
		mp[b][a] = c;
		sum[a] += c;
		sum[b] += c;
		edges.push_back(make_tuple(a,b,c));
	}
	srand(7124);
	random_shuffle(edges.begin(),edges.end());
	ll ans = *max_element(sum,sum+N+1);
	for(auto &i:edges){
		int a = get<0>(i),b = get<1>(i),ts = get<2>(i);
		if(mp[a].size()>mp[b].size())swap(a,b);
		for(auto &j:mp[a]){
			if(clock()-st>=lim)break;
			if(mp[b].find(j.fs) != mp[b].end()){
				ans = max(ans,mp[b][j.fs]+j.sc+ts);
			}
		}
		if(clock()-st>=lim)break;
	}
	cout<<ans;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 16984 KB Output is correct
2 Correct 5 ms 16988 KB Output is correct
3 Correct 5 ms 16988 KB Output is correct
4 Correct 6 ms 16988 KB Output is correct
5 Correct 5 ms 16988 KB Output is correct
6 Correct 1308 ms 19096 KB Output is correct
7 Correct 5 ms 16988 KB Output is correct
8 Correct 6 ms 17020 KB Output is correct
9 Correct 6 ms 16988 KB Output is correct
10 Correct 5 ms 16836 KB Output is correct
11 Correct 7 ms 16988 KB Output is correct
12 Correct 7 ms 16844 KB Output is correct
13 Correct 5 ms 16988 KB Output is correct
14 Correct 5 ms 16988 KB Output is correct
15 Correct 6 ms 16988 KB Output is correct
16 Correct 5 ms 16988 KB Output is correct
17 Correct 6 ms 16988 KB Output is correct
18 Correct 12 ms 16988 KB Output is correct
19 Correct 20 ms 17440 KB Output is correct
20 Correct 6 ms 16988 KB Output is correct
21 Correct 5 ms 16984 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 16984 KB Output is correct
2 Correct 5 ms 16988 KB Output is correct
3 Correct 5 ms 16988 KB Output is correct
4 Correct 6 ms 16988 KB Output is correct
5 Correct 5 ms 16988 KB Output is correct
6 Correct 1308 ms 19096 KB Output is correct
7 Correct 5 ms 16988 KB Output is correct
8 Correct 6 ms 17020 KB Output is correct
9 Correct 6 ms 16988 KB Output is correct
10 Correct 5 ms 16836 KB Output is correct
11 Correct 7 ms 16988 KB Output is correct
12 Correct 7 ms 16844 KB Output is correct
13 Correct 5 ms 16988 KB Output is correct
14 Correct 5 ms 16988 KB Output is correct
15 Correct 6 ms 16988 KB Output is correct
16 Correct 5 ms 16988 KB Output is correct
17 Correct 6 ms 16988 KB Output is correct
18 Correct 12 ms 16988 KB Output is correct
19 Correct 20 ms 17440 KB Output is correct
20 Correct 6 ms 16988 KB Output is correct
21 Correct 5 ms 16984 KB Output is correct
22 Correct 2923 ms 70508 KB Output is correct
23 Correct 2679 ms 68592 KB Output is correct
24 Correct 277 ms 19212 KB Output is correct
25 Correct 34 ms 17496 KB Output is correct
26 Correct 34 ms 17500 KB Output is correct
27 Correct 12 ms 17244 KB Output is correct
28 Correct 2654 ms 38440 KB Output is correct
29 Correct 2621 ms 26888 KB Output is correct
30 Correct 2628 ms 29700 KB Output is correct
31 Correct 6 ms 16984 KB Output is correct
32 Correct 7 ms 16988 KB Output is correct
33 Correct 2659 ms 68436 KB Output is correct
34 Correct 2655 ms 65204 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 347 ms 66544 KB Output is correct
2 Correct 895 ms 80628 KB Output is correct
3 Correct 247 ms 39420 KB Output is correct
4 Correct 517 ms 59200 KB Output is correct
5 Correct 1214 ms 68844 KB Output is correct
6 Correct 2626 ms 29796 KB Output is correct
7 Correct 521 ms 69448 KB Output is correct
8 Correct 648 ms 78320 KB Output is correct
9 Correct 9 ms 19332 KB Output is correct
10 Correct 2629 ms 29688 KB Output is correct
11 Correct 585 ms 68024 KB Output is correct
12 Correct 2657 ms 42740 KB Output is correct
13 Correct 5 ms 16988 KB Output is correct
14 Correct 2619 ms 27484 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 347 ms 66544 KB Output is correct
2 Correct 895 ms 80628 KB Output is correct
3 Correct 247 ms 39420 KB Output is correct
4 Correct 517 ms 59200 KB Output is correct
5 Correct 1214 ms 68844 KB Output is correct
6 Correct 2626 ms 29796 KB Output is correct
7 Correct 521 ms 69448 KB Output is correct
8 Correct 648 ms 78320 KB Output is correct
9 Correct 9 ms 19332 KB Output is correct
10 Correct 2629 ms 29688 KB Output is correct
11 Correct 585 ms 68024 KB Output is correct
12 Correct 2657 ms 42740 KB Output is correct
13 Correct 5 ms 16988 KB Output is correct
14 Correct 2619 ms 27484 KB Output is correct
15 Correct 5 ms 16984 KB Output is correct
16 Correct 5 ms 16988 KB Output is correct
17 Correct 5 ms 16988 KB Output is correct
18 Correct 6 ms 16988 KB Output is correct
19 Correct 5 ms 16988 KB Output is correct
20 Correct 1308 ms 19096 KB Output is correct
21 Correct 5 ms 16988 KB Output is correct
22 Correct 6 ms 17020 KB Output is correct
23 Correct 6 ms 16988 KB Output is correct
24 Correct 5 ms 16836 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 16844 KB Output is correct
27 Correct 5 ms 16988 KB Output is correct
28 Correct 5 ms 16988 KB Output is correct
29 Correct 6 ms 16988 KB Output is correct
30 Correct 5 ms 16988 KB Output is correct
31 Correct 6 ms 16988 KB Output is correct
32 Correct 12 ms 16988 KB Output is correct
33 Correct 20 ms 17440 KB Output is correct
34 Correct 6 ms 16988 KB Output is correct
35 Correct 5 ms 16984 KB Output is correct
36 Correct 2923 ms 70508 KB Output is correct
37 Correct 2679 ms 68592 KB Output is correct
38 Correct 277 ms 19212 KB Output is correct
39 Correct 34 ms 17496 KB Output is correct
40 Correct 34 ms 17500 KB Output is correct
41 Correct 12 ms 17244 KB Output is correct
42 Correct 2654 ms 38440 KB Output is correct
43 Correct 2621 ms 26888 KB Output is correct
44 Correct 2628 ms 29700 KB Output is correct
45 Correct 6 ms 16984 KB Output is correct
46 Correct 7 ms 16988 KB Output is correct
47 Correct 2659 ms 68436 KB Output is correct
48 Correct 2655 ms 65204 KB Output is correct
49 Correct 591 ms 46832 KB Output is correct
50 Correct 2657 ms 37884 KB Output is correct
51 Correct 2722 ms 53752 KB Output is correct
52 Correct 2756 ms 55624 KB Output is correct
53 Correct 241 ms 39928 KB Output is correct
54 Correct 2779 ms 53948 KB Output is correct
55 Correct 898 ms 81908 KB Output is correct
56 Correct 581 ms 59664 KB Output is correct
57 Correct 684 ms 70660 KB Output is correct
58 Correct 510 ms 43268 KB Output is correct
59 Correct 2269 ms 55900 KB Output is correct
60 Correct 2599 ms 54516 KB Output is correct
61 Correct 2732 ms 53240 KB Output is correct