运行下面程序,输入2,输出( );输入10,输出( )。#include int main(){double x,y;scanf("%lf", &x);if(x<=2) y=x/5;else if(x<10) y=5*x;else y=x/5;printf("%5.1f\n",y);return 0;}
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运行下面程序,输入72,输出结果为( )。#include int main(){char score;scanf("%d", &score);switch(score/10){ case 10:case 9: printf("A\n");break;case 8: printf("B\n"); break;case 7: printf("C");case 6: printf("D\n"); break;default: printf("E\n");break;}return 0;}
运行下面程序,输出结果为( )。#include int main( ){int a=8;switch(a%3){case 0: printf("%d\n", a++);case 1: printf("%d\n", ++a);case 2: printf("%d ", a--);case 3: printf("%d\n", --a); break;default: printf("%d\n", a);}return 0;}
运行程序,从键盘输入“ABCDE”,输出结果是( )。#include main ( ){char ch;while( ch=getchar( ), ch != '\n' )printf ("%c", ch+32);putchar(10);}
运行程序,从键盘输入“ABCDE#”,输出结果是( )。#include main ( ){char n=0;while(1)if( getchar() != '#' ) n++;else break;printf ("%d\n", n);}