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Submission #647458

# Submission time Handle Problem Language Result Execution time Memory
647458 2022-10-02T15:56:23 Z k_balint31415 Paths (RMI21_paths) C++14
56 / 100
 600 ms 10952 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int c=1e5+5;


vector<pair<int,ll>> adj[c];
vector<ll> ut;

ll dfs(int v, int p, ll len){
    ll maxi=0;
    for(pair<int,ll> x: adj[v]){
        if(x.first != p){
            ll cur=dfs(x.first,v,x.second);
            if(cur>maxi){
                swap(cur,maxi);
            }
            ut.push_back(cur);
        }
    }
    return maxi+len;
}

int n,k;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    
    cin>>n>>k;
    for(int i=1;i<n;i++){
        int a,b,val;
        cin>>a>>b>>val;
        adj[a].push_back(make_pair(b,val));
        adj[b].push_back(make_pair(a,val));
    }

    for(int i=1;i<=n;i++){
        ut.clear();
        ll ans=0;
        ut.push_back(dfs(i,0,0));
        sort(ut.rbegin(),ut.rend());
        for(int i=0;i<min(k,(int)ut.size());i++) ans+=ut[i];
        cout << ans << '\n'; 
    }
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2672 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2672 KB Output is correct
3 Correct 3 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 3 ms 2688 KB Output is correct
6 Correct 3 ms 2644 KB Output is correct
7 Correct 3 ms 2668 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2672 KB Output is correct
3 Correct 3 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 3 ms 2688 KB Output is correct
6 Correct 3 ms 2644 KB Output is correct
7 Correct 3 ms 2668 KB Output is correct
8 Correct 45 ms 2740 KB Output is correct
9 Correct 39 ms 2812 KB Output is correct
10 Correct 29 ms 2776 KB Output is correct
11 Correct 45 ms 2872 KB Output is correct
12 Correct 33 ms 2680 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2672 KB Output is correct
3 Correct 3 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 3 ms 2688 KB Output is correct
6 Correct 3 ms 2644 KB Output is correct
7 Correct 3 ms 2668 KB Output is correct
8 Correct 45 ms 2740 KB Output is correct
9 Correct 39 ms 2812 KB Output is correct
10 Correct 29 ms 2776 KB Output is correct
11 Correct 45 ms 2872 KB Output is correct
12 Correct 33 ms 2680 KB Output is correct
13 Correct 195 ms 2852 KB Output is correct
14 Correct 168 ms 2856 KB Output is correct
15 Correct 113 ms 2896 KB Output is correct
16 Correct 194 ms 2904 KB Output is correct
17 Correct 143 ms 2852 KB Output is correct
18 Correct 101 ms 2772 KB Output is correct
19 Correct 191 ms 2844 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1072 ms 10952 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 2644 KB Output is correct
2 Correct 2 ms 2672 KB Output is correct
3 Correct 3 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 3 ms 2688 KB Output is correct
6 Correct 3 ms 2644 KB Output is correct
7 Correct 3 ms 2668 KB Output is correct
8 Correct 45 ms 2740 KB Output is correct
9 Correct 39 ms 2812 KB Output is correct
10 Correct 29 ms 2776 KB Output is correct
11 Correct 45 ms 2872 KB Output is correct
12 Correct 33 ms 2680 KB Output is correct
13 Correct 195 ms 2852 KB Output is correct
14 Correct 168 ms 2856 KB Output is correct
15 Correct 113 ms 2896 KB Output is correct
16 Correct 194 ms 2904 KB Output is correct
17 Correct 143 ms 2852 KB Output is correct
18 Correct 101 ms 2772 KB Output is correct
19 Correct 191 ms 2844 KB Output is correct
20 Execution timed out 1072 ms 10952 KB Time limit exceeded
21 Halted 0 ms 0 KB -