oj.uz

Submission #1068109

# Submission time Handle Problem Language Result Execution time Memory
1068109 2024-08-21T07:45:58 Z 김은성(#11126) Paths (RMI21_paths) C++17
56 / 100
 451 ms 1024 KB 
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2010;
const int SEGSZ = 1<<12;
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:29:15: warning: unused variable 'j' [-Wunused-variable]
   29 |  int n, k, i, j, a, b;
      |               ^
Main.cpp:31:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |  scanf("%d %d", &n, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:33:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |   scanf("%d %d %lld", &a, &b, &c);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 5 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 5 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 64 ms 344 KB Output is correct
9 Correct 55 ms 620 KB Output is correct
10 Correct 48 ms 348 KB Output is correct
11 Correct 42 ms 532 KB Output is correct
12 Correct 60 ms 556 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 5 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 64 ms 344 KB Output is correct
9 Correct 55 ms 620 KB Output is correct
10 Correct 48 ms 348 KB Output is correct
11 Correct 42 ms 532 KB Output is correct
12 Correct 60 ms 556 KB Output is correct
13 Correct 435 ms 856 KB Output is correct
14 Correct 350 ms 1024 KB Output is correct
15 Correct 205 ms 604 KB Output is correct
16 Correct 243 ms 600 KB Output is correct
17 Correct 303 ms 648 KB Output is correct
18 Correct 172 ms 600 KB Output is correct
19 Correct 451 ms 628 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 5 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 64 ms 344 KB Output is correct
9 Correct 55 ms 620 KB Output is correct
10 Correct 48 ms 348 KB Output is correct
11 Correct 42 ms 532 KB Output is correct
12 Correct 60 ms 556 KB Output is correct
13 Correct 435 ms 856 KB Output is correct
14 Correct 350 ms 1024 KB Output is correct
15 Correct 205 ms 604 KB Output is correct
16 Correct 243 ms 600 KB Output is correct
17 Correct 303 ms 648 KB Output is correct
18 Correct 172 ms 600 KB Output is correct
19 Correct 451 ms 628 KB Output is correct
20 Runtime error 1 ms 604 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -