缂栫▼姹?锛?2锛?3!+...+15!鐨勫€硷紵

Posted 2021-03-22

鏍囩锛?a href='http://www.mamicode.com/so/1/%e5%be%aa%e7%8e%af%e6%8e%a7%e5%88%b6' title='寰幆鎺у埗'>寰幆鎺у埗   +=   澹版槑   include   oat   printf   com   image   std   

#include<stdio.h>
void main()
{
float sum=0.0,m=1.0;
int n=1; //澹版槑涓€涓暣鏁板瀷鍙橀噺n锛屼唬琛ㄥ惊鐜殑璧风偣锛屽苟涓哄叾鍒濆鍖栬祴鍊?/
while(n<=15) //纭畾寰幆鎵ц娆℃暟//
{
m*=n; //姹俷锛?/
sum+=m; //姹傜疮鍔犲拰//
n++; //鏀瑰彉寰幆鎺у埗鍙橀噺鍊?/
}
printf("sum=%e ",sum); //杈撳嚭绱姞鍜岀殑鍊?/
}