Submission #545533

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
545533	2022-04-04 19:26:23	AlperenT	Putovanje (COCI20_putovanje)	C++17	110 / 110	206 ms	37692 KiB

putovanje

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#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5, K = 20;
long long n, a, b, c1, c2, ans, cnt[N], binlift[N][K], depth[N];
struct Edge{
    long long b, c1, c2;
};
vector<Edge> tree[N];
void dfs(int v, int p){
    binlift[v][0] = p;
    for(int i = 1; i < K; i++) binlift[v][i] = binlift[binlift[v][i - 1]][i - 1];
    depth[v] = depth[p] + 1;
    for(auto e : tree[v]){
        if(e.b != p){
            dfs(e.b, v);
        }
    }
}
int lca(int a, int b){
    if(depth[b] > depth[a]) swap(a, b);
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 65 / 65