rotate an array right in c
// C program to rotate an array cyclically #include <stdio.h> void rightRotateByOne(int arr[], int n) //function for cyclically rotating an array once { int x = arr[n-1], i; for (i = n-1; i > 0; i--) arr[i] = arr[i-1]; arr[0] = x; } int main() {int t; scanf("%d",&t);//number of test cases int p; for(p=0;p<t;p++){ int n,i,k; scanf("%d %d",&n,&k); // n--> size of array ; k--> number of rotations int arr[n]; k=k%n; for(i=0;i<n;i++){ scanf("%d",&arr[i]); } int j; for(j=0;j<k;j++) //cyclically rotating an array k times {rightRotateByOne(arr, n);} for (i = 0; i < n; i++){ printf("%d ", arr[i]);} printf("\n");} return 0; }
