1 1,#include<iostream>
2 using namespace std;
3 int main()
4 {
5 char c1, c2;
6 cout << "请输入两个字符c1,c2:";
7 c1 = getchar();
8 c2 = getchar();
9 cout << "用putchar输出的结果:";
10 putchar(c1);
11 putchar(c2);
12 cout << endl;
13 cout << "用cout语句输出的结果为:";
14 cout << c1 << c2 << endl;
15 system("pause");
16 return 0;
17 }
18 2,#include <iostream>
19 using namespace std;
20 int main()
21 {
22 char c1, c2;
23 cout << "请输入两个字符c1,c2:";
24 c1 = getchar(); //将输入的第一个字符赋给c1
25 c2 = getchar(); //将输入的第二个字符赋给c2
26 cout << "用putchar函数输出结果为:";
27 putchar(c1);
28 putchar(44);
29 putchar(c2);
30 cout << endl;
31 cout << "用cout语句输出结果为:";
32 cout << c1 << "," << c2 << endl;
33 system("pause");
34 return 0;
35 }
36 3,
