Mac OS X下的第一个C++程序

 1 //
 2 //  main.cpp
 3 //  CPP_Test
 4 //
 5 //  本程序实现从1到1000的累加 递归操作
 6 //
 7 //  Created by Nicholas on 12-4-7.
 8 //  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
 9 //
10 
11 #include <iostream>
12 #include <stdio.h>
13 
14 using namespace std;
15 
16 #define count 1000
17 int sum(int a[],int n);
18 
19 int main(int argc, const char * argv[])
20 {
21 
22 // insert code here...
23 cout << "Hello, World!" <<endl;
24 cout << "My first C++ program compiled by Xcode on Mac OS X !"<<endl;
25 
26 int array[count];
27 for (int index=0; index<count; index++) {
28 array[index] = index + 1;
29 }
30 
31 int result = sum(array, count);
32 
33 cout << "Result: "<<result<<endl;
34 }
35 
36 //递归累加操作
37 int sum(int a[],int n)
38 {
39 if (n>0) {
40 return a[n-1] + sum(a, n-1);
41 }
42 else {
43 return 0;
44 }
45 }