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-rw-r--r--main.c59
1 files changed, 0 insertions, 59 deletions
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 <stdlib.h>
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-
-#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;
-}
-