oj.uz

Submission #1068114

# Submission time Handle Problem Language Result Execution time Memory
1068114 2024-08-21T07:47:01 Z 김은성(#11126) Paths (RMI21_paths) C++17
56 / 100
 600 ms 12996 KB 
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 200009;
typedef long long ll;
vector<pair<int, ll> > graph[MAXN];
bool ch[MAXN];
priority_queue<ll> settree(int v){
	ch[v] = 1;
	priority_queue<ll> ret;
	for(auto [u, c]: graph[v]){
		if(ch[u])
			continue;
		priority_queue<ll> q = settree(u);
		ll temp = q.top() + c;
		q.pop();
		q.push(temp);
		if(ret.size() < q.size())
			swap(ret, q);
		while(!q.empty()){
			ret.push(q.top());
			q.pop();
		}
	}
	ret.push(0);
	return ret;
}
int main(){
	int n, k, i, j, a, b;
	ll c;
	scanf("%d %d", &n, &k);
	for(i=1; i<n; i++){
		scanf("%d %d %lld", &a, &b, &c);
		graph[a].push_back(make_pair(b, c));
		graph[b].push_back(make_pair(a, c));
	}
	for(int r=1; r<=n; r++){
		memset(ch, 0, sizeof(ch));
		priority_queue<ll> ret = settree(r);
		ll ans = 0;
		for(i=1; i<=k; i++){
			ans += ret.top();
			ret.pop();
		}
		printf("%lld\n", ans);
	}
	return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:28:15: warning: unused variable 'j' [-Wunused-variable]
   28 |  int n, k, i, j, a, b;
      |               ^
Main.cpp:30:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |  scanf("%d %d", &n, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |   scanf("%d %d %lld", &a, &b, &c);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5212 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5212 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct
3 Correct 4 ms 5212 KB Output is correct
4 Correct 4 ms 5212 KB Output is correct
5 Correct 5 ms 5212 KB Output is correct
6 Correct 4 ms 5124 KB Output is correct
7 Correct 4 ms 5212 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5212 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct
3 Correct 4 ms 5212 KB Output is correct
4 Correct 4 ms 5212 KB Output is correct
5 Correct 5 ms 5212 KB Output is correct
6 Correct 4 ms 5124 KB Output is correct
7 Correct 4 ms 5212 KB Output is correct
8 Correct 77 ms 5208 KB Output is correct
9 Correct 65 ms 5468 KB Output is correct
10 Correct 58 ms 5424 KB Output is correct
11 Correct 52 ms 5208 KB Output is correct
12 Correct 57 ms 5208 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5212 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct
3 Correct 4 ms 5212 KB Output is correct
4 Correct 4 ms 5212 KB Output is correct
5 Correct 5 ms 5212 KB Output is correct
6 Correct 4 ms 5124 KB Output is correct
7 Correct 4 ms 5212 KB Output is correct
8 Correct 77 ms 5208 KB Output is correct
9 Correct 65 ms 5468 KB Output is correct
10 Correct 58 ms 5424 KB Output is correct
11 Correct 52 ms 5208 KB Output is correct
12 Correct 57 ms 5208 KB Output is correct
13 Correct 450 ms 5484 KB Output is correct
14 Correct 330 ms 5468 KB Output is correct
15 Correct 224 ms 5468 KB Output is correct
16 Correct 248 ms 5448 KB Output is correct
17 Correct 308 ms 5464 KB Output is correct
18 Correct 183 ms 5508 KB Output is correct
19 Correct 471 ms 5464 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1044 ms 12996 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 5212 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct
3 Correct 4 ms 5212 KB Output is correct
4 Correct 4 ms 5212 KB Output is correct
5 Correct 5 ms 5212 KB Output is correct
6 Correct 4 ms 5124 KB Output is correct
7 Correct 4 ms 5212 KB Output is correct
8 Correct 77 ms 5208 KB Output is correct
9 Correct 65 ms 5468 KB Output is correct
10 Correct 58 ms 5424 KB Output is correct
11 Correct 52 ms 5208 KB Output is correct
12 Correct 57 ms 5208 KB Output is correct
13 Correct 450 ms 5484 KB Output is correct
14 Correct 330 ms 5468 KB Output is correct
15 Correct 224 ms 5468 KB Output is correct
16 Correct 248 ms 5448 KB Output is correct
17 Correct 308 ms 5464 KB Output is correct
18 Correct 183 ms 5508 KB Output is correct
19 Correct 471 ms 5464 KB Output is correct
20 Execution timed out 1044 ms 12996 KB Time limit exceeded
21 Halted 0 ms 0 KB -