#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;
}