Added stuff

blackjack/copy_pasta_test.c

@@ -0,0 +1,79 @@
+    #include <stdio.h>
+
+    #include <math.h>
+
+    #include <stdlib.h>
+	#include <time.h>
+
+     
+
+     
+
+    static int rand_int(int n) {
+
+        int limit = RAND_MAX - RAND_MAX % n;
+
+        int rnd;
+
+     
+
+        do {
+
+            rnd = rand();
+
+        } 
+
+        while (rnd >= limit);
+
+        return rnd % n;
+
+    }
+
+     
+
+    void shuffle(int *array, int n) {
+
+        int i, j, tmp;
+
+     
+
+        for (i = n - 1; i > 0; i--) {
+
+            j = rand_int(i + 1);
+
+            tmp = array[j];
+
+            array[j] = array[i];
+
+            array[i] = tmp;
+
+       }
+
+    }
+
+    int main(void)
+
+    {
+time_t t;
+srand((unsigned) time(&t));
+     
+
+        int i = 0;
+
+        int numbers[50];
+
+        for (i = 0; i < 50; i++)
+
+            numbers[i]= i;
+
+        shuffle(numbers, 50);
+
+        printf("\nArray after shuffling is: \n");
+
+        for ( i = 0; i < 50; i++)
+
+            printf("%d\n", numbers[i]);
+
+        return 0;
+
+    }