C++ | Basic

Ch01-C++ 之 基础

April 20, 2022
C++ | Basic
C++

1.数据类型 # 基本类型 所占大小 (bit) 最小范围 最大范围 void 0 bool 8 char 8 -128 127 unsigned char 8 0 255 short (signed short) 16 -32768 32767 unsigned short 16 0 65535 int (signed int) 32 -2147483648 2147483647 unsigned (unsigned int) 32 0 4294967295 long (signed long) 32 -2147483648 2147483647 unsigned long 32 0 4294967295 float 32 -3.4×10^38 3.4*10^38 double 64 -1.7×10^308 1.7×10^308 long double 64 -1.7×10^308 1.7×10^308 long long 64 -9223372036854775808 9223372036854775807 2. ...