From 18b8726791c5fd3181edda73416f6ddaf302c321 Mon Sep 17 00:00:00 2001 From: justanothercatgirl Date: Wed, 18 Sep 2024 17:15:55 +0300 Subject: 2 versions now --- main.c | 59 ----------------------------------------------------------- 1 file changed, 59 deletions(-) delete mode 100644 main.c (limited to 'main.c') diff --git a/main.c b/main.c deleted file mode 100644 index 607d1b2..0000000 --- a/main.c +++ /dev/null @@ -1,59 +0,0 @@ -#include -#include -#include -#include - -#define GEN_MAX 1000000 - -static int tenpow(int pow) { - int base = 10; - int ret = 1; - while (pow) { - if (pow & 0b1) - ret *= base; - base *= base; - pow >>= 1; - } - return ret; -} - -static char get_at_pos(unsigned int n, int pos) { - n /= tenpow(pos); - return n % 10; -} - -int main(int argc, char *argv[]) { - srand(time(NULL)); - int arr[10] = {0}; - unsigned int gen; - - int iters, pos; - if (argc == 3) { - iters = atoi(argv[1]); - pos = atoi(argv[2]); - if (!iters || !pos) goto fail; - } else { - fputs("Iterations: ", stdout); - if (!scanf("%i", &iters)) goto fail; - fputs("Position (10^N): ", stdout); - if (!scanf("%i", &pos)) goto fail; - } - - for (int _ = 0; _ < iters; ++_) { - gen = rand() % GEN_MAX; -#ifdef PRINT_GENERATED - printf("%i\n", gen); -#endif - ++arr[get_at_pos(gen, pos)]; - } - - printf("count of numbers at position %i:\n", pos); - for (int i = 0; i < 10; ++i) - printf("\t%i: %i\n", i, arr[i]); - - return EXIT_SUCCESS; -fail: - fputs("Input a valid number\n", stderr); - return EXIT_FAILURE; -} - -- cgit v1.2.3-70-g09d2