```
#include
#include
void main()
{
printf("long long 最大值：%lld\\nlong long最小值：%lld\\n",LLONG\_MAX,LLONG\_MIN);
printf("nunsigned long long最大值：%llu\\nunsigned long long最小值:%llu", ULLONG\_MAX, 0);
getchar();
}
//long long 最大值：9223372036854775807
long long最小值：-9223372036854775808
nunsigned long long最大值：18446744073709551615
unsigned long long最小值:0
```
```
~~~
//高精度multiprecision使用樣例:
#include <boost/multiprecision/cpp_int.hpp>
#include <iostream>
int main()
{
using namespace boost::multiprecision;
int128_t v = 1;
// Do some fixed precision arithmetic:
for(unsigned i = 1; i <= 20; ++i)
v *= i;
std::cout << v << std::endl; // prints 2432902008176640000 (i.e. 20!)
// Repeat at arbitrary precision:
cpp_int u = 1;
for(unsigned i = 1; i <= 100; ++i)
u *= i;
// prints 93326215443944152681699238856266700490715968264381621468592963895217599993229915608941463976156518286253697920827223758251185210916864000000000000000000000000 (i.e. 100!)
std::cout << u << std::endl;
return 0;
}
~~~
```
