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1、东风一中智能机器人C语言程序上机试题 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。# include Void main( ) int a ,b , sum ; a=6; b=99; sum = a + b ;printf(“sum is %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 () float a,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
2、( “a=%7.2f, b=%7.2f, c=%7.2f n” , a, b, c);printf (“area=%7.2fn”,area);eg2-2输入三个数，输出其中的最大者# include void main() int a,b,c,max; Printf (“enter a,b,&c:n”);scanf(“%d,%d,%d”, &a,&b,&c); max=a; if (maxb) max=b;if (maxb) t=a;a=b;b=t;if (ac) t=a;a=b;b=t;if (bc) t=b;b=c;c=t;printf(“%5.2f, %5.2f,%5.2f ”, a,b
3、,c); 又解# include void main() int max(int x, int y) ; int a,b,c;printf (“input a,b: ”);scanf (“%d,%d”, &a,&b); c=max(a,b);printf(“max = %d n”,c”)int max(int x, int y) int z; if (xy) z=x;else z=y;return(z); void main( )int a, b;printf(input two numbers: )；scanf(%d%d,&a,&b);if(ab) printf(max=%dn,a) ；el
4、seprintf(max=%dn,b)； void main()int a,b;printf (please input A,B: );scanf (%d%d,&a,&b);if(a!=b)if(ab) printf(ABn);else if (a= = b) printf(A=Bn);else printf(Ab ? a ：b); 3-1 输入字符的ASCII码，若为字母或数字，须指出。#include void main()char c;printf(input a character: );c=getchar();if(c=0&c=A&c=a&c=z)printf(This is a s
5、mall lettern);elseprintf(This is an other charactern);if(c=0&c=A&c=a&c100 | score 0 ) printf(“n data error”);Scanf(“%f”, &score);（(int) (score/10）Case10: grade=A;break;Case9: grade=A;break;Case 8: grade=B;break;Case 7: grade=C;break;Case6: grade=D;break;Case5:Case4:Case3:case2:case1:case0: grade=E;
6、Printf(“成绩%5.1f, 等级%cn” , score,grade );例4-1 符号常量的使用 运行结果： China! Glmre! #define price 50#include Void main ( ) int num, total; Num= 10; Total=num * price; Printf(“total = %d”, total)#include#include void main()float a,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
7、);printf(“a=%7.2f, b=%7.2f, c=%7.2f, s=%7.2fn”,a,b,c,s);printf(“area=%7.2fn”,area);例1.3 求3个数中较大者。#include void main( ) int max(int x,int y); / int a, b, c; scanf(d,d,&a,&b); c=max(a,b); printf(max=dn,c); int max(int x, int y) int z; if (xy) z=x; else z=y; return (z); 例6.1 求1到100的和void main( ) int i，
8、 sum=0; for (i=1; i=100,i+) sum=sum+i; printf(%dn，sum); 例6.2 求1到100的和#include void main() int i，sum=0; i=1; while (i=100) sum=sum+i; i+; printf(%dn，sum); 例6.4 while和do-while循环的比较 (1) #include (2) #include void main ( ) void main( ) int sum=0，i; int sum=0，i; scanf(“%d，&i); scanf(”%d，&i); while (i=10) do sum=sum+I; sum=sum+i; i+; i+; while (i=10); printf(“sum=%dn ，sum); printf(“sum=%dn”,sum); CHINA0例6.10输入一行字符，要求输出其相应的密码include void main() char c; while(c=getchar()!=n) if ( (c=a & c=A & cZ & cz) c=c26;
