1: /*
2: author:justinzhang
3: email:uestczhangchao@gmail.com
4: time:2012-8-30 16:58:38
5: desc:for the practice of interview problem
6: */
7: #include <iostream>
8: using namespace std;
9: struct Foo
10: { 11: Foo(){} 12: Foo(int) {} 13: void fun() {} 14: };
15:
16: int main()
17: { 18: Foo a(10);
19: a.fun();
20: //Foo b();
21: //b.fun();
22:
23: const char *p1 = "hello";
24: char *const p2 = "world";
25: p1++;
26: //*p1 = 'w'; //error
27: //p2++; // error
28: //*p2 = 'h'; //error : can not write to const string
29:
30: char str[][10] = {"hello","Google"}; 31: char *pstr = str[0];
32: cout << strlen(pstr+10) << endl;
33: /*
34:
35: str[ ][10]由定义可知，str[0]="Hello"，str[1]="Google"，
36:
37: 内存中数据的存储为：
38:
39: str[0] str[1]
40:
41: H e l l 0 '\0' '\0' '\0' '\0' '\0' '\0' G o o g l e '\0' '\0' '\0' '\0'
42:
43: 所以p+10刚好为‘G’的地址，所以strlen(p+10)=6
44: */
45:
46: int x[4] = {0}; 47: int y[4] = {1}; 48:
49: for(int i=0; i<4; i++)
50: cout << x[i] << " " << y[i] << endl;
51:
52:
53: return 0;
54: }
