برنامه ای که مربع n عدد را میدهد

int main()

{

int x, complex = 0, z = 0;

char answer = 'y';

while(answer == 'y')

{printf("\n\nEnter a number:");

scanf("%d",&x);

complex += x*x;

z ++;

printf("\n\n Do you want to continue?(y/n):");

answer = getche(); }

printf("\n\ncomplex of square is:%d",complex);

getch();

}