A simple program to time how long it takes to count by one from 1 to 16,000,000,000,000.

BudgetCalc.c

#include <stdio.h>
#include <time.h>

int main(int argc, const char * argv[])
{
    time_t now;
    time(&now);
    printf("%s", ctime(&now));
    
    for (unsigned long i = 1; i < 16000000000000; i++) {
        if (i % 1000000 == 0) {
            printf("%lu\n", i);
        }
    }

    time_t then;
    time(&then);
    printf("%s", ctime(&then));
    return 0;
}