#include <bits/stdc++.h>
using namespace std;
int main() {
vector<int> vec;
for(int i=0;i<1000000;i++)
vec.push_back(i);
clock_t begin_time = clock();
for(int i=0;i<=vec.size();i++)
{
if(vec[i]==5)
{
vec.erase (vec.begin()+i);
i--;
if(i == vec.size()-1) break;
}
}
//cout << vec.size() << endl;
clock_t end_time = clock();
cout << float((end_time-begin_time)) << endl;
return 0;
}
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