Question

用scanf函数输入一个百分制成绩(整型量),要求输出成绩等级A,B,C,D,E.

Answer 1

用switch的：

#include

int main()

{ float score;

char grade;

printf("please input a score:");

scanf("%f",&score);

while (score>100||score100||c=90&&c=80&&c=70&&c=60&&c=0&&c