编程练习答案——第9章

 1 // chapter09_golf.h
 2 
 3 #ifndef LEARN_CPP_CHAPTER09_GOLF_H
 4 #define LEARN_CPP_CHAPTER09_GOLF_H
 5 
 6 #include <cstring>
 7 #include <iostream>
 8 
 9 const int Len = 40;
10 struct golf {
11     char fullname[Len];
12     int handicap;
13 };
14 
15 void setgolf(golf &, const char *, int);
16 int setgolf(golf &);
17 void handicap(golf &, int);
18 void showgolf(const golf &);
19 
20 
21 
22 #endif //LEARN_CPP_CHAPTER09_GOLF_H
23 
24 
25 
26 
27 
28 // chapter09_golf.cpp
29 
30 #include "chapter09_golf.h"
31 
32 void setgolf(golf & g, const char * name, int hc) {
33     strcpy(g.fullname, name);
34     g.handicap = hc;
35 }
36 
37 int setgolf(golf & g) {
38     using namespace std;
39     cout << "enter name: ";
40     cin.getline(g.fullname, Len);
41     cout << "enter hc: ";
42     cin >> g.handicap;cin.get();
43     if (strcmp("", g.fullname) == 0)
44         return 0;
45     return 1;
46 }
47 
48 void handicap(golf & g, int hc) {
49     g.handicap = hc;
50 }
51 
52 void showgolf(const golf & g) {
53     using namespace std;
54     cout << "name: " << g.fullname << endl;
55     cout << "hc: " << g.handicap << endl;
56 }
57 
58 
59 
60 
61 
62 // run
63 
64 void ch9_1() {
65     using namespace std;
66     golf arr_golf[3];
67     cout << "enter golf: ";
68     int i;
69     for (i = 0; i < 3; ++ i) {
70         if (setgolf(arr_golf[i]) == 0)
71             break;
72     }
73     cout << "enter done" << endl;
74     for (int j = 0; j < i; ++ j)
75         showgolf(arr_golf[j]);
76 }