C++整形取值范围
#include
#include
#include
using namespace std;
int main()
{
long long ll_min = 0x[**************]0; // LLONG_MIN; 十六进制8后面15个0 8个字节
long long ll_max = 0x7FFFFFFFFFFFFFFF; // LLONG_MAX; 十六进制8后面15个F 8个字节
unsigned long long ull_max = 0xFFFFFFFFFFFFFFFF; //ULLONG_MAX; 十六进制16个F 8个字节
long l_min= 0x80000000; //LONG_MIN; 十六进制8后面7个0 4个字节
long l_max= 0x7FFFFFFF; //LONG_MAX; 十六进制8后面7个F 4个字节
unsigned long ul_max= 0xFFFFFFFF; //ULLONG_MAX; 十六进制8个F 4个字节
int i_min= 0x80000000; //INT_MIN; 十六进制8后面7个0 4个字节
int i_max= 0x7FFFFFFF; //INT_MAX; 六进制8后面7个F 4个字节
unsigned int ui_max=0xFFFFFFFF; //UINT_MAX; 十六进制8个F 4个字节
cout
printf("min of long long: %lld\n", ll_min); // min of long long: -[***********]8
printf("max of long long: %lld\n", ll_max); // max of long long: [***********]7
printf("max of unsigned long long: %llu\n\n", ull_max); // max of unsigned long long: [***********]15
printf("min of long: %ld\n", l_min); // min of long: -2147483648
printf("max of long: %ld\n", l_max); // max of long : 2147483647
printf("max of unsigned long: %lu\n\n", ul_max); // max of unsigned long: 4294967295
printf("min of int: %d\n", i_min); // min of int: -2147483648
printf("max of int: %d\n", i_max); // max of int: 2147483647
printf("max of unsigned int: %u\n", ui_max); // max of unsigned int: 4294967295
return 0;
}