33 lines
649 B
C
33 lines
649 B
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include "projecteuler.h"
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int i, sum = 0;
|
|
double elapsed;
|
|
struct timespec start, end;
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &start);
|
|
|
|
for(i = 1; i < 1000000; i += 2)
|
|
{
|
|
if(is_palindrome(i, 10) && is_palindrome(i, 2))
|
|
{
|
|
sum += i;
|
|
}
|
|
}
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &end);
|
|
|
|
elapsed = (end.tv_sec - start.tv_sec) + (double)(end.tv_nsec - start.tv_nsec) / 1000000000;
|
|
|
|
printf("Project Euler, Problem 36\n");
|
|
printf("Answer: %d\n", sum);
|
|
|
|
printf("Elapsed time: %.9lf seconds\n", elapsed);
|
|
|
|
return 0;
|
|
}
|