Friday, 17 July 2015

Learn Java In a Easy Way

7)Given array of intergers,print the sum of elements sqaring/cubing as per the power of their indices.        
//answer=  sum=sum+a[i]^i;
     eg:input:{2,3,5}
      Output:29





package Set2;
public class ClassSET7 {
public static void main(String[] args) {
      int a[]={2,3,5};
      System.out.println(sumOfElementsWrtIndices(a));
      }
public static int sumOfElementsWrtIndices(int[] a) {
      int s=0;
      for(int i=0;i<a.length;i++)
            s+=(Math.pow(a[i], i));
      return s;
}

}