学步园

貌似也是很XX的题

#include <stdio.h><br /> int main()<br /> {<br /> int i;<br /> double sum,a;<br /> printf("n e/n- -----------/n0 1/n1 2/n2 2.5/n");<br /> sum=2.5;<br /> a=0.5;<br /> for(i=3;i<=9;i++)<br /> {<br /> a=a/i;<br /> sum=sum+a;<br /> printf("%d %.9lf/n",i,sum);<br /> }<br /> system("pause");<br /> return 0;<br /> }<br />