#include "stdio.h"
long double i;
long double start;
unsigned int z;
long double last_cur;
long double cur;
int main (int argc, char * argv[])
{
        sscanf(argv[1],"%Lg",&start);
        for(i=start*1000000000+1;i<(start+1)*1000000000+1;i++)
        {
                cur = cur + 1/i;
                //printf("%d,%.15g\n",i-1,last_cur);
        }
        printf("%Lg,%.15Lg\n",start,cur);
        return 0;
}



<?php

for($x = 0; $x <= 10000; $x++){
        echo "./a.out $x >> hlog &\n";
        if($x %8 == 0){
                sleep(25);
        }
}