第三章 38 题

<span style="font-size:18px;">#include<stdio.h>    int powers(int m,int n)  {  int i,sum=1;      for (i=0;i<n;i++)  {  sum*=m;  }  return sum;  }  int sum_of_powers(int k,int n)  { int i,sum=0;  for(i=1;i<=n;i++)          sum=sum+powers(i,k);  return sum;  }  int main()  {      int powers(int m,int n);    int sum_of_powers(int k,int n); int a,b;  while(1)  {  scanf("%d%d",&a,&b);  printf("sum of %d powers of intergers from 1 to %d =%d\n",a,b,sum_of_powers(a,b));  }  return 0;  }</span>