int a=XXXXX;
signed int a; printf("%d" , a);
unsigned int a ; printf("%u" , a);
short a; printf("%hd",a);
long long a; printf("%lld",a);
unsigned int 0~4294967295 printf("%u",a);
int -2147483648~2147483647 printf("%d",a);unsigned long 0~4294967295 printf("%d",a);long -2147483648~2147483647 printf("%d",a);long long的最大值:9223372036854775807 printf("%d",a);long long的最小值:-9223372036854775808 printf("%d",a);unsigned long long的最大值:1844674407370955161 printf("%d",a);__int64的最大值:9223372036854775807 printf("%d",a);__int64的最小值:-9223372036854775808 printf("%d",a);unsigned __int64的最大值:18446744073709551615 printf("%d",a);