標題: c語言 switch{}用法 [打印本頁] 作者: liuda 時間: 2015-1-22 02:50 標題: c語言 switch{}用法 #include<stdio.h> void main() { int grade,i; printf("please input the grade of the student:\n"); scanf("%d",&grade); i=grade/10; if(grade>=0&&grade<=100) {switch(i)//用switch一定要加上大括號 {case 0:printf("E");break; case 1:printf("E");break; case 2:printf("E");break; case 3:printf("E");break; case 4:printf("E");break; case 5:printf("E");break; case 6:printf("D");break; case 7:printf("C");break; case 8:printf("B");break; case 9:printf("A");break; case 10:printf("A");break; default: printf("error");break;}} else printf("error"); }