02_3.cpp

来自「一些C++的课件和实验源代码」· C++ 代码 · 共 40 行

// 02_3.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "stdio.h"
#include "conio.h"


int a[10000000];

int f(int n)
{
	int ret = 0;
	if( n > 0){
		ret = n + f(n - 1);
	}
	return ret;
}


int main(int argc, char* argv[])
{
//	int a[10000000];

//	int * pa = new int[10000000];
//	if( pa != NULL ){
//		printf("\n address of pa  = %d", pa);
//		delete []pa;
//		pa = NULL;
//	}
	
	int n = 1000;
	int ret = f(n);
	printf("\n f(%d) = %d", n, ret);

	getch();

	return 0;
}