# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
849373 | vjudge1 | Političari (COCI20_politicari) | C++17 | 368 ms | 524288 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
#define int long long
#define ll pair<int,int>
using namespace std;
long long a[505][505];
long long danhdau[505];
vector<int> elt;
int vt[505];
int n,k;
void dfs(int u,int v)
{
// if (danhdau[v]>n)
// {
// int l=vt[v];
// int r=vt[u];
// int leng=r-l+1;
// k-=l;
// k%=leng;
// cout << elt[k+l] << '\n';
// return;
// }
// else
// {
danhdau[v]++;
elt.push_back(v);
vt[v]=elt.size()-1;
if (vt[v]==k)
{
cout << v;
return;
}
dfs(v,a[v][u]);
// }
}
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
cin >> n >> k;
k--;
for (int i=1;i<=n;i++)
{
for (int i2=1;i2<=n;i2++)
{
cin >> a[i][i2];
}
}
elt.push_back(1);
vt[1]=0;
danhdau[1]++;
dfs(1,2);
}
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