#include <stdio.h>
#include <stdlib.h>
#include <time.h>
void ShiftArrayToLeft(int arr[], int size, int start) {
for (int i = start; i < size - 1; i++) {
arr[i] = arr[i + 1];
}
}
void PrintArray(int arr[], int size) {
for (int i = 0; i < size; i++)
printf("%d ", arr[i]);
}
int main(void) {
int arr[] = { 4, 9, 12, 90, 13, 0, 3, 97 };
int size = sizeof(arr) / sizeof(arr[0]);
PrintArray(arr, size);
srand((unsigned int)time(NULL));
int index = rand() % (size - 1);
int randomnumber = arr[index];
printf("\nrandom number = %d\n", randomnumber);
ShiftArrayToLeft(arr, size, index);
arr[size - 1] = randomnumber;
PrintArray(arr, size);
return 0;
}
/*
run:
4 9 12 90 13 0 3 97
random number = 90
4 9 12 13 0 3 97 90
*/
