28 lines
989 B
C++
28 lines
989 B
C++
#include <bits/stdc++.h>
|
||
using namespace std;
|
||
|
||
int main() {
|
||
/*
|
||
%d 有符号32位整数
|
||
%u 无符号32位整数
|
||
%lld 有符号64位整数
|
||
*/
|
||
printf("short:%d bytes,max=%d,min=%d\n", (int)sizeof(short), SHRT_MAX, SHRT_MIN);
|
||
printf("unsigned short:%d bytes,max=%d\n", (int)sizeof(unsigned short), USHRT_MAX, 0);
|
||
puts("");
|
||
|
||
printf("int:%d bytes,max=%d,min=%d\n", (int)sizeof(int), INT_MAX, INT_MIN);
|
||
printf("unsigned int:%d bytes,max=%u\n", (int)sizeof(unsigned int), UINT_MAX, 0);
|
||
puts("");
|
||
|
||
printf("long long:%d bytes,max=%lld,min=%lld\n", (int)sizeof(long long));
|
||
//使用 %lld 就可以打印一个unsigned long long了，glib中的guint64就是unsigned long long。这是GNU编译器支持的。
|
||
printf("unsigned long long:%d bytes,max=%lld,min=%d\n", (int)sizeof(unsigned long long));
|
||
|
||
double a = 1, b = 1;
|
||
if (a * b == 1)
|
||
printf("True");
|
||
else
|
||
printf("False");
|
||
return 0;
|
||
} |