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Submission #906450

# Submission time Handle Problem Language Result Execution time Memory
906450 2024-01-14T10:06:30 Z pcc Cheap flights (LMIO18_pigus_skrydziai) C++14
53 / 100
 2822 ms 87032 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 = 2.5*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));
	}
	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 6 ms 16984 KB Output is correct
2 Correct 6 ms 16988 KB Output is correct
3 Correct 5 ms 16988 KB Output is correct
4 Correct 6 ms 16832 KB Output is correct
5 Correct 6 ms 16988 KB Output is correct
6 Correct 1308 ms 19092 KB Output is correct
7 Correct 6 ms 16984 KB Output is correct
8 Correct 7 ms 16984 KB Output is correct
9 Correct 6 ms 16988 KB Output is correct
10 Correct 6 ms 17032 KB Output is correct
11 Correct 8 ms 16988 KB Output is correct
12 Correct 6 ms 16988 KB Output is correct
13 Correct 6 ms 17068 KB Output is correct
14 Correct 5 ms 16984 KB Output is correct
15 Correct 6 ms 16984 KB Output is correct
16 Correct 6 ms 16988 KB Output is correct
17 Correct 6 ms 16988 KB Output is correct
18 Correct 13 ms 16984 KB Output is correct
19 Correct 19 ms 17244 KB Output is correct
20 Correct 6 ms 16984 KB Output is correct
21 Correct 5 ms 16988 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 16984 KB Output is correct
2 Correct 6 ms 16988 KB Output is correct
3 Correct 5 ms 16988 KB Output is correct
4 Correct 6 ms 16832 KB Output is correct
5 Correct 6 ms 16988 KB Output is correct
6 Correct 1308 ms 19092 KB Output is correct
7 Correct 6 ms 16984 KB Output is correct
8 Correct 7 ms 16984 KB Output is correct
9 Correct 6 ms 16988 KB Output is correct
10 Correct 6 ms 17032 KB Output is correct
11 Correct 8 ms 16988 KB Output is correct
12 Correct 6 ms 16988 KB Output is correct
13 Correct 6 ms 17068 KB Output is correct
14 Correct 5 ms 16984 KB Output is correct
15 Correct 6 ms 16984 KB Output is correct
16 Correct 6 ms 16988 KB Output is correct
17 Correct 6 ms 16988 KB Output is correct
18 Correct 13 ms 16984 KB Output is correct
19 Correct 19 ms 17244 KB Output is correct
20 Correct 6 ms 16984 KB Output is correct
21 Correct 5 ms 16988 KB Output is correct
22 Correct 2822 ms 70120 KB Output is correct
23 Correct 2582 ms 77292 KB Output is correct
24 Correct 281 ms 19468 KB Output is correct
25 Correct 35 ms 17756 KB Output is correct
26 Correct 36 ms 17756 KB Output is correct
27 Correct 11 ms 17244 KB Output is correct
28 Correct 2559 ms 42628 KB Output is correct
29 Correct 2525 ms 26896 KB Output is correct
30 Correct 2542 ms 31900 KB Output is correct
31 Correct 8 ms 16988 KB Output is correct
32 Correct 7 ms 16988 KB Output is correct
33 Correct 2559 ms 75940 KB Output is correct
34 Correct 2557 ms 70344 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 333 ms 66064 KB Output is correct
2 Correct 981 ms 81124 KB Output is correct
3 Correct 263 ms 39420 KB Output is correct
4 Correct 533 ms 58360 KB Output is correct
5 Correct 1266 ms 70132 KB Output is correct
6 Correct 2528 ms 29692 KB Output is correct
7 Correct 527 ms 69304 KB Output is correct
8 Correct 677 ms 78612 KB Output is correct
9 Correct 8 ms 19744 KB Output is correct
10 Correct 2535 ms 29716 KB Output is correct
11 Correct 581 ms 68736 KB Output is correct
12 Correct 2554 ms 42740 KB Output is correct
13 Correct 6 ms 16988 KB Output is correct
14 Correct 2521 ms 27528 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 333 ms 66064 KB Output is correct
2 Correct 981 ms 81124 KB Output is correct
3 Correct 263 ms 39420 KB Output is correct
4 Correct 533 ms 58360 KB Output is correct
5 Correct 1266 ms 70132 KB Output is correct
6 Correct 2528 ms 29692 KB Output is correct
7 Correct 527 ms 69304 KB Output is correct
8 Correct 677 ms 78612 KB Output is correct
9 Correct 8 ms 19744 KB Output is correct
10 Correct 2535 ms 29716 KB Output is correct
11 Correct 581 ms 68736 KB Output is correct
12 Correct 2554 ms 42740 KB Output is correct
13 Correct 6 ms 16988 KB Output is correct
14 Correct 2521 ms 27528 KB Output is correct
15 Correct 6 ms 16984 KB Output is correct
16 Correct 6 ms 16988 KB Output is correct
17 Correct 5 ms 16988 KB Output is correct
18 Correct 6 ms 16832 KB Output is correct
19 Correct 6 ms 16988 KB Output is correct
20 Correct 1308 ms 19092 KB Output is correct
21 Correct 6 ms 16984 KB Output is correct
22 Correct 7 ms 16984 KB Output is correct
23 Correct 6 ms 16988 KB Output is correct
24 Correct 6 ms 17032 KB Output is correct
25 Correct 8 ms 16988 KB Output is correct
26 Correct 6 ms 16988 KB Output is correct
27 Correct 6 ms 17068 KB Output is correct
28 Correct 5 ms 16984 KB Output is correct
29 Correct 6 ms 16984 KB Output is correct
30 Correct 6 ms 16988 KB Output is correct
31 Correct 6 ms 16988 KB Output is correct
32 Correct 13 ms 16984 KB Output is correct
33 Correct 19 ms 17244 KB Output is correct
34 Correct 6 ms 16984 KB Output is correct
35 Correct 5 ms 16988 KB Output is correct
36 Correct 2822 ms 70120 KB Output is correct
37 Correct 2582 ms 77292 KB Output is correct
38 Correct 281 ms 19468 KB Output is correct
39 Correct 35 ms 17756 KB Output is correct
40 Correct 36 ms 17756 KB Output is correct
41 Correct 11 ms 17244 KB Output is correct
42 Correct 2559 ms 42628 KB Output is correct
43 Correct 2525 ms 26896 KB Output is correct
44 Correct 2542 ms 31900 KB Output is correct
45 Correct 8 ms 16988 KB Output is correct
46 Correct 7 ms 16988 KB Output is correct
47 Correct 2559 ms 75940 KB Output is correct
48 Correct 2557 ms 70344 KB Output is correct
49 Correct 562 ms 48616 KB Output is correct
50 Correct 2556 ms 41716 KB Output is correct
51 Correct 2624 ms 57060 KB Output is correct
52 Correct 2641 ms 61388 KB Output is correct
53 Correct 219 ms 41740 KB Output is correct
54 Correct 2637 ms 58860 KB Output is correct
55 Correct 883 ms 87032 KB Output is correct
56 Correct 564 ms 62712 KB Output is correct
57 Correct 646 ms 75196 KB Output is correct
58 Correct 472 ms 44796 KB Output is correct
59 Correct 2462 ms 60708 KB Output is correct
60 Correct 2620 ms 58868 KB Output is correct
61 Incorrect 2635 ms 56932 KB Output isn't correct
62 Halted 0 ms 0 KB -