程序@之路

摘要： 1.c++标准中：char是单字符，每个char类型占一个字节(8位)。 wchar_t是宽字符，每个wchar_t类型占2个字节(16位)。字符转换实例(略)char与 signed char unsigned char：char等价于signed char和 unsigned char是更据编译器而定的。实例：int main (){ char a = -1; signed char b = -1; unsigned char c = -1; printf("a = %d, b = %d, c = %d", a, b, c);}2.1 整数字面值规定c++ 中吧负值赋. 阅读全文