# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
999336 | MarwenElarbi | Mechanical Doll (IOI18_doll) | C++17 | 116 ms | 16556 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>
using namespace std;
#define fi first
#define se second
#define ll long long
#define pb push_back
#define ii pair<int,int>
const int nax=2e5+5;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<int> adj[nax];
int vis[nax];
int counter=0;
void answer(std::vector<int> C, std::vector<int> X, std::vector<int> Y);
void create_circuit(int M, std::vector<int> A) {
vector<int> X,Y;
vector<int> C(M+1);
C[0]=A[0];
int N = A.size();
A.pb(0);
for (int i = 0; i < N; ++i)
{
adj[A[i]].pb(A[i+1]);
}
for (int i = 0; i < N; ++i)
{
if(vis[A[i]]>0) continue;
vis[A[i]]=1;
if(adj[A[i]].size()==1){
C[A[i]]=A[i+1];
continue;
}
X.emplace_back();
Y.emplace_back();
C[A[i]]=-(int)(X.size());
for (int j = 0; j < adj[A[i]].size()-2; ++j)
{
cout <<A[i]<<" "<<j<<endl;
X.back()=adj[A[i]][j];
Y.back()=-((int)X.size()+1);
X.emplace_back();
Y.emplace_back();
}
X.back()=adj[A[i]][adj[A[i]].size()-2];
Y.back()=adj[A[i]][adj[A[i]].size()-1];
}
/*for (int i = 0; i < M+1; ++i)
{
cout << C[i]<<" ";
}cout <<endl;
for (int i = 0; i < X.size(); ++i)
{
cout <<X[i]<<" ";
}cout <<endl;
for (int i = 0; i < Y.size(); ++i)
{
cout <<Y[i]<<" ";
}cout <<endl;*/
answer(C, X, Y);
}
Compilation message (stderr)
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