为什么字节小的可以向字节大的自动转换,但字节大的不能向字节小的自动转换
#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;
}
#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;
}
2015-10-05
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