oj.uz

Submission #906476

# Submission time Handle Problem Language Result Execution time Memory
906476 2024-01-14T10:47:57 Z pcc Cheap flights (LMIO18_pigus_skrydziai) C++17
100 / 100
 2875 ms 119080 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;
cc_hash_table<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 42 ms 54360 KB Output is correct
2 Correct 44 ms 54524 KB Output is correct
3 Correct 50 ms 54352 KB Output is correct
4 Correct 42 ms 54352 KB Output is correct
5 Correct 37 ms 54580 KB Output is correct
6 Correct 1548 ms 57108 KB Output is correct
7 Correct 41 ms 54352 KB Output is correct
8 Correct 48 ms 54352 KB Output is correct
9 Correct 53 ms 54620 KB Output is correct
10 Correct 39 ms 54588 KB Output is correct
11 Correct 44 ms 54672 KB Output is correct
12 Correct 40 ms 54644 KB Output is correct
13 Correct 41 ms 54432 KB Output is correct
14 Correct 44 ms 54364 KB Output is correct
15 Correct 40 ms 54392 KB Output is correct
16 Correct 43 ms 54536 KB Output is correct
17 Correct 39 ms 54364 KB Output is correct
18 Correct 47 ms 54716 KB Output is correct
19 Correct 58 ms 54840 KB Output is correct
20 Correct 41 ms 54464 KB Output is correct
21 Correct 38 ms 54460 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 54360 KB Output is correct
2 Correct 44 ms 54524 KB Output is correct
3 Correct 50 ms 54352 KB Output is correct
4 Correct 42 ms 54352 KB Output is correct
5 Correct 37 ms 54580 KB Output is correct
6 Correct 1548 ms 57108 KB Output is correct
7 Correct 41 ms 54352 KB Output is correct
8 Correct 48 ms 54352 KB Output is correct
9 Correct 53 ms 54620 KB Output is correct
10 Correct 39 ms 54588 KB Output is correct
11 Correct 44 ms 54672 KB Output is correct
12 Correct 40 ms 54644 KB Output is correct
13 Correct 41 ms 54432 KB Output is correct
14 Correct 44 ms 54364 KB Output is correct
15 Correct 40 ms 54392 KB Output is correct
16 Correct 43 ms 54536 KB Output is correct
17 Correct 39 ms 54364 KB Output is correct
18 Correct 47 ms 54716 KB Output is correct
19 Correct 58 ms 54840 KB Output is correct
20 Correct 41 ms 54464 KB Output is correct
21 Correct 38 ms 54460 KB Output is correct
22 Correct 2875 ms 117768 KB Output is correct
23 Correct 2682 ms 113920 KB Output is correct
24 Correct 341 ms 57108 KB Output is correct
25 Correct 68 ms 55108 KB Output is correct
26 Correct 64 ms 55368 KB Output is correct
27 Correct 44 ms 54876 KB Output is correct
28 Correct 2683 ms 80404 KB Output is correct
29 Correct 2663 ms 65876 KB Output is correct
30 Correct 2670 ms 69148 KB Output is correct
31 Correct 42 ms 54616 KB Output is correct
32 Correct 48 ms 54436 KB Output is correct
33 Correct 2749 ms 119080 KB Output is correct
34 Correct 2744 ms 115944 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 400 ms 71924 KB Output is correct
2 Correct 900 ms 87280 KB Output is correct
3 Correct 304 ms 65276 KB Output is correct
4 Correct 554 ms 73716 KB Output is correct
5 Correct 1379 ms 91836 KB Output is correct
6 Correct 2653 ms 69244 KB Output is correct
7 Correct 534 ms 78844 KB Output is correct
8 Correct 844 ms 85888 KB Output is correct
9 Correct 40 ms 56752 KB Output is correct
10 Correct 2649 ms 69132 KB Output is correct
11 Correct 649 ms 93020 KB Output is correct
12 Correct 2657 ms 84220 KB Output is correct
13 Correct 34 ms 54352 KB Output is correct
14 Correct 2655 ms 67008 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 400 ms 71924 KB Output is correct
2 Correct 900 ms 87280 KB Output is correct
3 Correct 304 ms 65276 KB Output is correct
4 Correct 554 ms 73716 KB Output is correct
5 Correct 1379 ms 91836 KB Output is correct
6 Correct 2653 ms 69244 KB Output is correct
7 Correct 534 ms 78844 KB Output is correct
8 Correct 844 ms 85888 KB Output is correct
9 Correct 40 ms 56752 KB Output is correct
10 Correct 2649 ms 69132 KB Output is correct
11 Correct 649 ms 93020 KB Output is correct
12 Correct 2657 ms 84220 KB Output is correct
13 Correct 34 ms 54352 KB Output is correct
14 Correct 2655 ms 67008 KB Output is correct
15 Correct 42 ms 54360 KB Output is correct
16 Correct 44 ms 54524 KB Output is correct
17 Correct 50 ms 54352 KB Output is correct
18 Correct 42 ms 54352 KB Output is correct
19 Correct 37 ms 54580 KB Output is correct
20 Correct 1548 ms 57108 KB Output is correct
21 Correct 41 ms 54352 KB Output is correct
22 Correct 48 ms 54352 KB Output is correct
23 Correct 53 ms 54620 KB Output is correct
24 Correct 39 ms 54588 KB Output is correct
25 Correct 44 ms 54672 KB Output is correct
26 Correct 40 ms 54644 KB Output is correct
27 Correct 41 ms 54432 KB Output is correct
28 Correct 44 ms 54364 KB Output is correct
29 Correct 40 ms 54392 KB Output is correct
30 Correct 43 ms 54536 KB Output is correct
31 Correct 39 ms 54364 KB Output is correct
32 Correct 47 ms 54716 KB Output is correct
33 Correct 58 ms 54840 KB Output is correct
34 Correct 41 ms 54464 KB Output is correct
35 Correct 38 ms 54460 KB Output is correct
36 Correct 2875 ms 117768 KB Output is correct
37 Correct 2682 ms 113920 KB Output is correct
38 Correct 341 ms 57108 KB Output is correct
39 Correct 68 ms 55108 KB Output is correct
40 Correct 64 ms 55368 KB Output is correct
41 Correct 44 ms 54876 KB Output is correct
42 Correct 2683 ms 80404 KB Output is correct
43 Correct 2663 ms 65876 KB Output is correct
44 Correct 2670 ms 69148 KB Output is correct
45 Correct 42 ms 54616 KB Output is correct
46 Correct 48 ms 54436 KB Output is correct
47 Correct 2749 ms 119080 KB Output is correct
48 Correct 2744 ms 115944 KB Output is correct
49 Correct 608 ms 84468 KB Output is correct
50 Correct 2700 ms 79548 KB Output is correct
51 Correct 2693 ms 82064 KB Output is correct
52 Correct 2770 ms 97324 KB Output is correct
53 Correct 227 ms 67460 KB Output is correct
54 Correct 2732 ms 98604 KB Output is correct
55 Correct 845 ms 85308 KB Output is correct
56 Correct 552 ms 73960 KB Output is correct
57 Correct 639 ms 82260 KB Output is correct
58 Correct 486 ms 74236 KB Output is correct
59 Correct 2166 ms 97248 KB Output is correct
60 Correct 2516 ms 98548 KB Output is correct
61 Correct 2762 ms 96848 KB Output is correct