diff options
Diffstat (limited to 'mat/euler/6/prog.c')
-rw-r--r-- | mat/euler/6/prog.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/mat/euler/6/prog.c b/mat/euler/6/prog.c new file mode 100644 index 0000000..5a17cea --- /dev/null +++ b/mat/euler/6/prog.c @@ -0,0 +1,20 @@ +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +int main (int argc, char ** argv) { + if (argc != 1+1) { + fprintf(stderr, "uporaba: %s <koliko>\nprimer: %s 100\n", argv[0], argv[0]); + return 1; + } + unsigned long int i = 1; + unsigned long int m = atoi(argv[1]); + unsigned long long int s = 0; + unsigned long long int z = 0; + for (i = 1; i <= m; i++) { + s = s + pow(i, 2); + z = z + i; + } + z = pow(z, 2); + fprintf(stdout, "konec. %lld - %lld = %lld\n", z, s, z-s); + return 0; +} |