5_5.cpp

C程序参考,简单易懂,是初学者不可少的参考资料

#include<stdio.h>
main()
 {
     char ch;
     float score;
     printf("Please input a student's score:\n");
     scanf("%f",&score);
     if(score<60)
         ch='E';
     else if(score<70)
         ch='D';
     else if(score<80)
         ch='C';
     else if(score<90)
         ch='B';
     else
         ch='A';
     printf("%f-------->%c\n",score,ch);
 }