标签：sequence blog print ret code class eof nbsp include
1 #include<stdio.h> 2 int main() 3 { 4 double n,m,sum=0; 5 while(scanf("%lf%lf",&n,&m)!=EOF) 6 { 7 if(n==0&&m==0) 8 break; 9 for(;n<=m;n++) 10 { 11 sum+=1/(n*n); 12 } 13 printf("%.5f",sum); 14 } 15 return 0; 16 }
白书p35 习题2-4 子序列的和（subsequence）
标签：sequence blog print ret code class eof nbsp include
原文地址：http://www.cnblogs.com/zreo/p/6192529.html
