类型名称 | 取值范围 | 数量级 |
int | -2^31~(2^31-1) | 2^31=2,147,483,648 10^9 |
unsigned int | 0~(2^32-1) | 2^32=4,294,967,296 10^9 |
long long (_int64) | -2^63~(2^63-1) | 2^63=9,223,372,036,854,775,808 10^18 |
unsigned long long (unsigned_int64) | 0~(2^64-1) | 2^64=18,446,744,073,709,551,616 10^19 |