Stress test to eat all of the ram

test.cpp

#include<iostream>
#include<vector>
#include<map>
#define ll long long
#define v vector
using namespace std;
int main(){
    ll lim = 1e9;
    v<int> vec;
    map<int, bool> mp;
    for(int i=2; i<lim; i++){
        if(!mp[i]){
            vec.push_back(i);
            for(int j=i*2; j<lim; j+=i){
                mp[j]=1;
	            vec.push_back(j);
            }
        }
    }
    return 0;
}