diff options
Diffstat (limited to '')
| -rwxr-xr-x | inf/zotksd/3 | bin | 0 -> 282408 bytes | |||
| -rw-r--r-- | inf/zotksd/3.c | 22 |
2 files changed, 22 insertions, 0 deletions
diff --git a/inf/zotksd/3 b/inf/zotksd/3 Binary files differnew file mode 100755 index 0000000..ffb3da7 --- /dev/null +++ b/inf/zotksd/3 diff --git a/inf/zotksd/3.c b/inf/zotksd/3.c new file mode 100644 index 0000000..b7723b1 --- /dev/null +++ b/inf/zotksd/3.c @@ -0,0 +1,22 @@ +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#define ABS(x) ((x) > 0 ? (x) : -(x)) +#define N unsigned long long int +int main (void) { + char buf[512]; + fgets(buf, 512, stdin); + N n = strtoull(buf, NULL, 10); + N num = 0; + for (N i = 1; i < ceill(sqrtl(n)); i++) { + if (n % i) + continue; + if (ABS(i-n/i) % 2) + continue; + num++; +#ifndef EVAL + fprintf(stderr, "(%llu, %llu)\n", i, n/i); +#endif + } + printf("%llu\n", num); +} |