diff options
Diffstat (limited to '')
-rw-r--r-- | mat/advent/6/prog.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/mat/advent/6/prog.c b/mat/advent/6/prog.c new file mode 100644 index 0000000..14eb68a --- /dev/null +++ b/mat/advent/6/prog.c @@ -0,0 +1,13 @@ +#include <stdio.h> +#include <stdlib.h> +int main (int argc, char ** argv) { + double x; + size_t s = 0; + for (double a = 1; a <= 2020; a++) { + x = ((float)7/(float)5)*(float)a; + if (x == (int)x) + s++; + } + fprintf(stderr, "%lu\n", s); + return 0; +} |