《C++ Primer》笔记之一

 1   #include <iostream>
 2   using namespace std;
 3 
 4   int main()
 5   {
 6           unsigned char test_1 = -1;
 7           signed char test_2 = -1;
 8           unsigned char test_3 = 336;
 9 
10           cout << (unsigned int)test_1 << endl;
11           cout << (signed int)test_2 << endl;
12           cout << (unsigned int)test_3 << endl;
13 
14           return 0;
15   }