东风一中高中生智能机器人班C语言上机试题1-2求两数之和。#includeVoidmain(){inta,b,sum;a=6;b=99;sum=a+b;printf(“sumis%d”,sum)；}eg2-1.用海龙公式求三角形面积（设输入的三边长能构成三角形）#include“math.h”main(){floata,b,c,p,area;scanf(“%f,%f,%f”,&a,&b,&c);p=(a+b+c)/2;area=sqrt(p*(p-a)*(p-b)*(p-c));printf(“a=%7.2f,b=%7.2f,c=%7.2f\n”,a,b,c);printf(“area=%7.2f\n”,area);}eg2-2输入三个数，输出其中的最大者#includevoidmain(){inta,b,c,max;Printf(“entera,b,&c:\n”);scanf(“%d,%d,%d”,&a,&b,&c);max=a;if(maxb){t=a;a=b;b=t;}if(a>c){t=a;a=b;b=t;}if(b>c){t=b;b=c;c=t;}printf(“%5.2f,%5.2f,%5.2f”,a,b,c);}又解#includevoidmain(){intmax(intx,inty);inta,b,c;printf(“inputa,b:”);scanf(“%d,%d”,&a,&b);c=max(a,b);printf(“max=%d\n”,c”)}intmax(intx,inty){intz;if(x>y)z=x;elsez=y;return(z);}voidmain(){inta,b;printf("inputtwonumbers:")；scanf("%d%d",&a,&b);if(a>b)printf("max=%d\n",a)；elseprintf("max=%d\n",b)；}voidmain(){inta,b;printf("pleaseinputA,B:");scanf("%d%d",&a,&b);if(a!=b)if(a>b)printf("A>B\n");elseif(a==b)printf("A=B\n");elseprintf("Ab?a：b);}3-1输入字符的ASCII码，若为字母或数字，须指出。#includevoidmain(){charc;printf("inputacharacter:");c=getchar();if(c<32)printf("Thisisacontrolcharacter\n");elseif(c>='0'&&c<='9')printf("Thisisadigit\n");elseif(c>='A'&&c<='Z')printf("Thisisacapitalletter\n");elseif(c>='a'&&c<='z')printf("Thisisasmallletter\n");elseprintf("Thisisanothercharacter\n");}if(c<32)printf("Thisisacontrolcharacter\n");elseif(c>='0'&&c<='9')printf("Thisisadigit\n");elseif(c>='A'&&c<='Z')printf("Thisisacapitalletter\n");elseif(c>='a'&&c<='z')printf("Thisisasmallletter\n");elseprintf("Thisisanothercharacter\n");}3-2输入两个实数，再根据输入的运算符+-*/求出运算结果来。voidmain(){floata,b,s;charc;printf("inputexpression:a+(-,*,/)b\n");scanf("%f%c%f",&a,&c,&b);switch(c){case'+':printf("%f\n",a+b);break;case'-':printf("%f\n",a-b);break;case'*':printf("%f\n",a*b);break;case'/':printf("%f\n",a/b);break;default:printf("inputerror\n");}}3-3:要求按照考试成绩输出百分制分数段#include“stdio.h”Voidmain(){floatscore;Chargrage;Printf(“enteranum”);Scanf(“%f”,&score);While(score>100||score<0){printf(“\ndataerror”);Scanf(“%f”,&score);}ｓｗｉｔｃｈ（(int)(score/10）Case10:grade=’A’;break;Case9:grade=’A’;break;Case8:grade=’B’;break;Case7:grade=’C’;break;Case6:grade=’D’;break;Case5:Case4:Case3:case2:case1:case0:grade=’E’;}Printf(“成绩%5.1f,等级%c\n”,score,grade);}例4-1符号常量的使用#defineprice50#includeVoidmain(){intnum,total;Num=10;Total=num*price;Printf(“total=%d”,total)}#include#includevoidmain(){floata,b,c,s,area;scanf(“%f,%f,%f,&a,&b,&c);s=1.0/2*(a+b+c);area=sqrt(s*(s-a)*(s-b)*(s-c));printf(“a=%7.2f,b=%7.2f,c=%7.2f,s=%7.2f\n”,a,b,c,s);printf(“area=%7.2f\n”,area);}例1.3求3个数中较大者。#includevoidmain(){intmax(intx,inty);/inta,b,c;scanf(″％d,％d″,&a,&b);c=max(a,b);printf(″max=％d\\n″,c);}intmax(intx,inty){intz;if(x>y)z=x;elsez=y;•运行结果：China!↙Glmre!return(z);}例6.1求1到100的和voidmain(){inti，sum=0;for(i=1;i<=100,i++)sum=sum+i;printf("%d\\n″，...
