用c语言编写程序,输出下底上高答:include <stdio.h>void main(){float a,b,c,s;printf(“请输入上底下底高:”);scanf("%f,%f,%f",&a,&b,&c);s=(a+b)*c/2;printf("%f\n",s);}
编写c语言程序,键盘输入向上键笑脸向上移动,向下它就向下,上下左...答:printf("Please input '0' is over\n");printf("%c",2);gotoxy(i,j); */ c=getch();if(*c==0x4b){ i=i==2?79:i-1;gotoxy(i,j);printf("%c",2);gotoxy(i,j);gotoxy(i+1,j);printf("%c",2);gotoxy(i,j);gotoxy(i+2,j);printf("%c",2);gotoxy(i,j);getch(...