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Submission #634821

# Submission time Handle Problem Language Result Execution time Memory
634821 2022-08-25T05:47:41 Z mrkhan2000 Cheap flights (LMIO18_pigus_skrydziai) C++17
100 / 100
 1314 ms 37920 KB 
#include <bits/stdc++.h>
#define ll long long
#define MOD 1000000007
using namespace std;

struct weight {
	map<pair<int,int>, int> w;
	void setW(int u, int v, int p) {
		if(u > v) swap(u,v);
		w[{u,v}] = p;
	}
	int getW(int u, int v) {
		if(u > v) swap(u, v);
		return w[{u,v}];
	}
	int count(int u, int v) {
		if(u > v) swap(u, v);
		return w.count({u,v});
	}
};

void solve() {
	int N, E; cin >> N >> E;
	vector<int> adj[N];
	weight w;
	vector<ll> ws(N);
	for(int i = 0; i < E; i++) {
		int U, V, P;
		cin >> U >> V >> P;
		--U, --V;
		ws[U] += P;
		ws[V] += P;
		adj[U].push_back(V);
		adj[V].push_back(U);
		w.setW(U, V, P);
	}
	ll ans = *max_element(ws.begin(), ws.end());
	for(int u = 0; u < N; u++) {
		for(int j = 0; j < (int)adj[u].size() - 1; j++) {
			int v = adj[u][j], r = adj[u][j + 1];
			if(w.count(v, r)) {
				ans = max(ans, (ll)w.getW(u,v) + (ll)w.getW(v,r) + (ll)w.getW(u,r));
			}
		}
	}
	cout << ans << '\n';
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
#ifdef LOCAL
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);
#endif
	int test_cases = 1;
	// cin >> test_cases;
	for(int test_case = 1; test_case <= test_cases; test_case++) {
		// cout << "Case #" << test_case << ": ";
		solve();
	}
	return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 21 ms 1792 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 21 ms 1792 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1314 ms 37312 KB Output is correct
23 Correct 949 ms 35660 KB Output is correct
24 Correct 17 ms 1912 KB Output is correct
25 Correct 6 ms 840 KB Output is correct
26 Correct 5 ms 848 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 256 ms 14992 KB Output is correct
29 Correct 182 ms 6220 KB Output is correct
30 Correct 262 ms 9284 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 326 ms 36392 KB Output is correct
34 Correct 265 ms 33444 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 192 ms 28420 KB Output is correct
2 Correct 459 ms 37920 KB Output is correct
3 Correct 119 ms 12748 KB Output is correct
4 Correct 250 ms 25188 KB Output is correct
5 Correct 643 ms 32212 KB Output is correct
6 Correct 192 ms 9292 KB Output is correct
7 Correct 171 ms 32360 KB Output is correct
8 Correct 228 ms 37764 KB Output is correct
9 Correct 7 ms 9736 KB Output is correct
10 Correct 202 ms 9224 KB Output is correct
11 Correct 170 ms 29668 KB Output is correct
12 Correct 139 ms 18084 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 141 ms 7756 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 192 ms 28420 KB Output is correct
2 Correct 459 ms 37920 KB Output is correct
3 Correct 119 ms 12748 KB Output is correct
4 Correct 250 ms 25188 KB Output is correct
5 Correct 643 ms 32212 KB Output is correct
6 Correct 192 ms 9292 KB Output is correct
7 Correct 171 ms 32360 KB Output is correct
8 Correct 228 ms 37764 KB Output is correct
9 Correct 7 ms 9736 KB Output is correct
10 Correct 202 ms 9224 KB Output is correct
11 Correct 170 ms 29668 KB Output is correct
12 Correct 139 ms 18084 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 141 ms 7756 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 21 ms 1792 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1314 ms 37312 KB Output is correct
37 Correct 949 ms 35660 KB Output is correct
38 Correct 17 ms 1912 KB Output is correct
39 Correct 6 ms 840 KB Output is correct
40 Correct 5 ms 848 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 256 ms 14992 KB Output is correct
43 Correct 182 ms 6220 KB Output is correct
44 Correct 262 ms 9284 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 326 ms 36392 KB Output is correct
48 Correct 265 ms 33444 KB Output is correct
49 Correct 218 ms 17772 KB Output is correct
50 Correct 275 ms 15596 KB Output is correct
51 Correct 459 ms 22140 KB Output is correct
52 Correct 541 ms 22340 KB Output is correct
53 Correct 116 ms 14688 KB Output is correct
54 Correct 567 ms 23400 KB Output is correct
55 Correct 490 ms 37860 KB Output is correct
56 Correct 265 ms 25280 KB Output is correct
57 Correct 404 ms 32304 KB Output is correct
58 Correct 159 ms 13384 KB Output is correct
59 Correct 610 ms 25124 KB Output is correct
60 Correct 446 ms 24748 KB Output is correct
61 Correct 510 ms 22152 KB Output is correct