oj.uz

Submission #906471

# Submission time Handle Problem Language Result Execution time Memory
906471 2024-01-14T10:45:00 Z pcc Cheap flights (LMIO18_pigus_skrydziai) C++14
28 / 100
 2852 ms 119024 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(time(NULL));
	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 37 ms 54352 KB Output is correct
2 Correct 40 ms 54444 KB Output is correct
3 Correct 41 ms 54540 KB Output is correct
4 Correct 38 ms 54428 KB Output is correct
5 Correct 36 ms 54360 KB Output is correct
6 Correct 1355 ms 56996 KB Output is correct
7 Correct 42 ms 54364 KB Output is correct
8 Correct 39 ms 54560 KB Output is correct
9 Correct 50 ms 54600 KB Output is correct
10 Correct 39 ms 54412 KB Output is correct
11 Correct 37 ms 54612 KB Output is correct
12 Correct 38 ms 54620 KB Output is correct
13 Correct 37 ms 54356 KB Output is correct
14 Correct 36 ms 54408 KB Output is correct
15 Correct 34 ms 54356 KB Output is correct
16 Correct 35 ms 54360 KB Output is correct
17 Correct 55 ms 54352 KB Output is correct
18 Correct 50 ms 54644 KB Output is correct
19 Correct 52 ms 54840 KB Output is correct
20 Correct 35 ms 54436 KB Output is correct
21 Correct 36 ms 54364 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 54352 KB Output is correct
2 Correct 40 ms 54444 KB Output is correct
3 Correct 41 ms 54540 KB Output is correct
4 Correct 38 ms 54428 KB Output is correct
5 Correct 36 ms 54360 KB Output is correct
6 Correct 1355 ms 56996 KB Output is correct
7 Correct 42 ms 54364 KB Output is correct
8 Correct 39 ms 54560 KB Output is correct
9 Correct 50 ms 54600 KB Output is correct
10 Correct 39 ms 54412 KB Output is correct
11 Correct 37 ms 54612 KB Output is correct
12 Correct 38 ms 54620 KB Output is correct
13 Correct 37 ms 54356 KB Output is correct
14 Correct 36 ms 54408 KB Output is correct
15 Correct 34 ms 54356 KB Output is correct
16 Correct 35 ms 54360 KB Output is correct
17 Correct 55 ms 54352 KB Output is correct
18 Correct 50 ms 54644 KB Output is correct
19 Correct 52 ms 54840 KB Output is correct
20 Correct 35 ms 54436 KB Output is correct
21 Correct 36 ms 54364 KB Output is correct
22 Correct 2852 ms 117780 KB Output is correct
23 Correct 2672 ms 113488 KB Output is correct
24 Correct 314 ms 57100 KB Output is correct
25 Correct 62 ms 55128 KB Output is correct
26 Correct 61 ms 55132 KB Output is correct
27 Correct 45 ms 54868 KB Output is correct
28 Correct 2679 ms 80888 KB Output is correct
29 Correct 2649 ms 64832 KB Output is correct
30 Correct 2657 ms 69124 KB Output is correct
31 Correct 37 ms 54616 KB Output is correct
32 Correct 35 ms 54524 KB Output is correct
33 Correct 2801 ms 119024 KB Output is correct
34 Incorrect 2779 ms 115948 KB Output isn't correct
35 Halted 0 ms 0 KB -

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 358 ms 72956 KB Output is correct
2 Correct 909 ms 85996 KB Output is correct
3 Correct 269 ms 65976 KB Output is correct
4 Correct 517 ms 74212 KB Output is correct
5 Correct 1327 ms 89880 KB Output is correct
6 Correct 2646 ms 69120 KB Output is correct
7 Correct 568 ms 78844 KB Output is correct
8 Correct 659 ms 86772 KB Output is correct
9 Correct 36 ms 56660 KB Output is correct
10 Correct 2653 ms 69160 KB Output is correct
11 Correct 669 ms 93272 KB Output is correct
12 Correct 2655 ms 83956 KB Output is correct
13 Correct 34 ms 54360 KB Output is correct
14 Correct 2653 ms 67076 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 358 ms 72956 KB Output is correct
2 Correct 909 ms 85996 KB Output is correct
3 Correct 269 ms 65976 KB Output is correct
4 Correct 517 ms 74212 KB Output is correct
5 Correct 1327 ms 89880 KB Output is correct
6 Correct 2646 ms 69120 KB Output is correct
7 Correct 568 ms 78844 KB Output is correct
8 Correct 659 ms 86772 KB Output is correct
9 Correct 36 ms 56660 KB Output is correct
10 Correct 2653 ms 69160 KB Output is correct
11 Correct 669 ms 93272 KB Output is correct
12 Correct 2655 ms 83956 KB Output is correct
13 Correct 34 ms 54360 KB Output is correct
14 Correct 2653 ms 67076 KB Output is correct
15 Correct 37 ms 54352 KB Output is correct
16 Correct 40 ms 54444 KB Output is correct
17 Correct 41 ms 54540 KB Output is correct
18 Correct 38 ms 54428 KB Output is correct
19 Correct 36 ms 54360 KB Output is correct
20 Correct 1355 ms 56996 KB Output is correct
21 Correct 42 ms 54364 KB Output is correct
22 Correct 39 ms 54560 KB Output is correct
23 Correct 50 ms 54600 KB Output is correct
24 Correct 39 ms 54412 KB Output is correct
25 Correct 37 ms 54612 KB Output is correct
26 Correct 38 ms 54620 KB Output is correct
27 Correct 37 ms 54356 KB Output is correct
28 Correct 36 ms 54408 KB Output is correct
29 Correct 34 ms 54356 KB Output is correct
30 Correct 35 ms 54360 KB Output is correct
31 Correct 55 ms 54352 KB Output is correct
32 Correct 50 ms 54644 KB Output is correct
33 Correct 52 ms 54840 KB Output is correct
34 Correct 35 ms 54436 KB Output is correct
35 Correct 36 ms 54364 KB Output is correct
36 Correct 2852 ms 117780 KB Output is correct
37 Correct 2672 ms 113488 KB Output is correct
38 Correct 314 ms 57100 KB Output is correct
39 Correct 62 ms 55128 KB Output is correct
40 Correct 61 ms 55132 KB Output is correct
41 Correct 45 ms 54868 KB Output is correct
42 Correct 2679 ms 80888 KB Output is correct
43 Correct 2649 ms 64832 KB Output is correct
44 Correct 2657 ms 69124 KB Output is correct
45 Correct 37 ms 54616 KB Output is correct
46 Correct 35 ms 54524 KB Output is correct
47 Correct 2801 ms 119024 KB Output is correct
48 Incorrect 2779 ms 115948 KB Output isn't correct
49 Halted 0 ms 0 KB -