exp04_02.c

《C语言程序设计教程、实验与练习》 源文件下载

#include <stdio.h>

main()
{
 char ch;

 printf("input the mark(A,B,C,D,E or F)");
 scanf("%c",&ch);
 switch(ch)
 {
  case 'A':printf("100\n");
	   break;
  case 'B':printf("90\n");
	   break;
  case 'C':printf("80\n");
	   break;
  case 'D':printf("70\n");
	   break;
  case 'E':printf("60\n");
	   break;
  case 'F':printf("50\n");
	   break;
  default:printf("input error!\n");
   }
 }