用C语言编一个计算圆周率的程序,用户输入指定位数,并计算到指定位数(精 ...答:include "stdio.h"include <stdlib.h> include <string.h> int main(int argc,char *argv[]){ int a,b,c,d,e,f[2801],g,i,n;char pi[801]="",t[5]="";for(a=10000,b=0,c=2800;b-c;f[b++]=2000);//a/5 for(i=e=0;d=0,g=c*2;c-=14,e=d%a){ for(b=c;...