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  1. #include<stdio.h>
  2.  
  3. int main()
  4. {
  5.  
  6. int N;
  7. double a, x;
  8. printf("Enter numbers N, X, A: ");
  9. scanf("%d %lf %lf", &N, &x, &a);
  10.  
  11. for(int i = 0; i < N; i++) x = (x+a)*(x+a);
  12.  
  13. x += a;
  14.  
  15. printf("Result: %lf\n", x);
  16. }
  17.  
Success #stdin #stdout 0s 4264KB
stdin
3 1 2
stdout
Enter numbers N, X, A: Result: 15131.000000