#include<stdio.h>
int main(){
char keyval;
printf_s("请输入一个字符:");
scanf_s("%c", &keyval);
printf_s("The keyval is %c\n", keyval);
return 0;
}
为什么运行结果中不显示?
那么像这样子的【scanf_s("%c %d %d %lf %lf", &ch,&num1,&num2,&grade1,&grade2);】必须要拆成
scanf_s("%c ",&ch,1);
scanf_s("%d %d %lf %lf",&num1,&num2,&grade1,&grade2);吗?
有没有可以合在一起的写法呢?
可以合在一起写,直接把长度做为参数放到字符或字符串变量后面
scanf_s("%c %d %d %lf %lf", &ch, 1, &num1,&num2,&grade1,&grade2);