加了个单引号为什么运行结果就不一样?
#include <stdio.h>
int main()
{
char c = 'a';
int n ='c'; //将c赋值给n
float f ='c'; //将c赋值给f
double d ='c'; //将c赋值给d
printf("%d\n",n);
printf("%f\n",f);
printf("%lf\n",d);
return 0;
}
运行结果如下:
99
99.000000
99.000000