Submission #749929

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
749929	2023-05-29 01:29:36	Trunkty	Putovanje (COCI20_putovanje)	C++14	110 / 110	222 ms	49708 KiB

putovanje

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll
int n,ans;
vector<vector<int>> roads[200005];
int jump[200005][21],dep[200005],one[200005],mul[200005];
int cnt[200005];
void dfs(int x, int p){
    for(vector<int> i:roads[x]){
        if(i[0]!=p){
            jump[i[0]][0] = x;
            dep[i[0]] = dep[x]+1;
            one[i[0]] = i[1];
            mul[i[0]] = i[2];
            dfs(i[0],x);
        }
    }
}
int lca(int a, int b){
    if(dep[a]>dep[b]){
        swap(a,b);
    }
    for(int j=20;j>=0;j--){
        if(dep[b]-(1<<j)>=dep[a]){
            b = jump[b][j];
        }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 65 / 65