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Submission #871081

# Submission time Handle Problem Language Result Execution time Memory
871081 2023-11-09T20:45:15 Z MinaRagy06 Paths (RMI21_paths) C++17
19 / 100
 600 ms 275624 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
#define ll long long

const int N = 100'005;
multiset<ll> s[N];
vector<array<int, 2>> adj[N];
void dfs(int i, int par, int parc) {
	for (auto [nxt, w] : adj[i]) {
		if (nxt == par) continue;
		dfs(nxt, i, w);
		if (s[i] < s[nxt]) {
			swap(s[i], s[nxt]);
		}
		for (auto j : s[nxt]) {
			s[i].insert(j);
		}
	}
	if (adj[i].size() == 1) s[i].insert(0);
	ll val = *s[i].begin();
	s[i].erase(s[i].begin());
	s[i].insert(val - parc);
}
int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	int n, k;
	cin >> n >> k;
	for (int i = 1, u, v, w; i < n; i++) {
		cin >> u >> v >> w;
		adj[u].push_back({v, w});
		adj[v].push_back({u, w});
	}
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= n; j++) {
			s[j].clear();
		}
		dfs(i, 0, 0);
		ll sum = 0;
		int cnt = 0;
		for (auto j : s[i]) {
			if (cnt == k) break;
			sum += j;
			cnt++;
		}
		cout << -sum << '\n';
	}
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct
3 Correct 19 ms 7512 KB Output is correct
4 Correct 21 ms 7516 KB Output is correct
5 Correct 65 ms 7772 KB Output is correct
6 Correct 7 ms 7516 KB Output is correct
7 Correct 11 ms 7516 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct
3 Correct 19 ms 7512 KB Output is correct
4 Correct 21 ms 7516 KB Output is correct
5 Correct 65 ms 7772 KB Output is correct
6 Correct 7 ms 7516 KB Output is correct
7 Correct 11 ms 7516 KB Output is correct
8 Execution timed out 1074 ms 8688 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct
3 Correct 19 ms 7512 KB Output is correct
4 Correct 21 ms 7516 KB Output is correct
5 Correct 65 ms 7772 KB Output is correct
6 Correct 7 ms 7516 KB Output is correct
7 Correct 11 ms 7516 KB Output is correct
8 Execution timed out 1074 ms 8688 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1039 ms 275624 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct
3 Correct 19 ms 7512 KB Output is correct
4 Correct 21 ms 7516 KB Output is correct
5 Correct 65 ms 7772 KB Output is correct
6 Correct 7 ms 7516 KB Output is correct
7 Correct 11 ms 7516 KB Output is correct
8 Execution timed out 1074 ms 8688 KB Time limit exceeded
9 Halted 0 ms 0 KB -