#include<stdio.h> #include<math.h> #include<stdlib.h> int main() { unsigned int a,n,i,j; double s=0

#include #include #include int main() { unsigned int a,n,i,j; double s=0.0,sum=0.0; printf("please input a and n:"); scanf("%d,%d",&a,&n); for(i=1;i<n+1;i++) { for(j=0;j<i;j++) { s=a*p