![int long long范围 int long long范围](https://image.shishitao.com:8440/aHR0cHM6Ly9ia3FzaW1nLmlrYWZhbi5jb20vdXBsb2FkL2NoYXRncHQtcy5wbmc%2FIQ%3D%3D.png?!?w=700&webp=1)
unsigned int 0~4294967295
int 2147483648~2147483647
unsigned long 0~4294967295
long 2147483648~2147483647
long long的最大值:9223372036854775807
long long的最小值:-9223372036854775808
unsigned long long的最大值:18446744073709551615
int是2e9左右
long long是9e18左右