6.5.c

C语言实验作业包

#include<stdio.h>
main()
{ int n1,n2,n3;
  float k;
  float s1=0,s2=0,s3=0;
  scanf("%d,%d,%d",&n1,&n2,&n3);
  for(k=1;k<=n1;k++)
	  s1=s1+k;
  for(k=1;k<=n2;k++)
	  s2=s2+k*k;
  for(k=1;k<=n3;k++)
	  s3=s3+1/k;
  printf("sum=%.2f ",s1+s2+s3);
}