c语言程序设计有关编程题,急求答案答:1题#include "stdio.h"main(){ int n,i;float sum=0,t,a=1.0,b=1;printf("please input n:");scanf("%d",&n);for(i=0;i<n;i++){ t=a/b;sum+=t;b=b+2;} printf("sum=%f\n",sum);} 2题#include "stdio.h"include"math.h"main(){ int n,bai,shi,ge;while(1)...
一道大一计算机C语言编程题,急求答案,谢谢,在线等!答:include <stdio.h> include <math.h> void f1();void f2();void f3();void f4();int a,b,c,d;void main(){ printf("Input a,b and c:\n");scanf("%d%d%d",&a,&b,&c);d = b*b-4*a*c;if(a!=0){ if(d>=0){ if(d>0) f1();else f2();} else f3();} els...