khalefa-phd

#include <string.h>

#include <algorithm>
#include <cstring>
#include <iostream>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>

khalefa-phd

#include <iostream>
#include <unordered_map>
using namespace std;

int main(){
        unordered_map<int, int> h;
        for(long i=0;; i++)
        {
                try{
                h[i]=i;