Submission #950597

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
950597	2024-03-20 13:22:11	Nexus	Two Currencies (JOI23_currencies)	C++17	10 / 100	159 ms	192964 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 a[N],b[N],n,m,q,s,t,x,y,z;
vector<ll>v[N],ed[N][N],p;
void dfs(ll node,ll ca)
{
    if(node==t)
    {
        z=1;
        return;
    }
    for(auto i:v[node])
    if(i!=ca)
    {
        ll g=p.size();
        for(auto j:ed[node][i])p.push_back(j);
        dfs(i,node);
        if(z)return;
        ll k=g+ed[node][i].size();
        for(ll j=g;j<k;++j)p[j]=0;
    }
}
ll ans()
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 0 / 28
• Subtask 3: 0 / 30
• Subtask 4: 0 / 32