제출 #950860

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
950860	2024-03-20 19:56:16	Nexus	Two Currencies (JOI23_currencies)	C++17	10 / 100	92 ms	192896 KiB

currencies

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#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll N=2e3+9,M=2e18+9,mod=1e9+7;
ll n,m,q,a[N],b[N],pa[N],dep[N],s,t,x,y,z;
vector<ll>v[N],ed[N][N],p;
void dfs(ll node,ll par)
{
    pa[node]=par;
    dep[node]=dep[par]+1;
    for(auto i:v[node])if(i!=par)dfs(i,node);
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    
    cin>>n>>m>>q;
    for(ll i=1;i<n;++i)
    {
        cin>>a[i]>>b[i];
        v[a[i]].push_back(b[i]);
        v[b[i]].push_back(a[i]);
 
 
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