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getting TLE!! what is the wrong



#include<iostream>
#include<stdio.h>
#include<cmath>

using namespace std;

long int num1;
long int num2;
long int g=0;
bool prime_num[1100002];
long calculate_prime(long int p)
{


for(long int k=4;k<=p;k+=2)
{
prime_num[k]=true;
}
for(long int i=3;i<=(int ...