エコー文字列のテスト

    #include <iostream>
    using namespace std;

void test_int_circle(const int a)
{
	int num = a;
	int b[10];
	int i = 0;
	int begin, end;
	int temp;
	while (num)
	{
		temp = num % 10;
		b[i] = temp;
		i++;
		num = num / 10;
	}
	begin = 0;
	end = i - 1;
	while(begin < end)
	{
		if (b[begin] == b[end])
		{
			begin++;
			end--;
		} 
		else
		{
			break;   
		}
	}
	if (begin < end)
	{
		printf("false
");
	} 
	else
	{
		printf("true
");
	}
}

void test_char_circle(const char a[], const int length)
{
	int begin = 0, end = length -1;
	while(a[begin] != NULL && begin < end)
	{
		if (a[begin] == a[end])
		{
			begin++;
			end--;
		} 
		else
		{
			break;
		}
	}
	if (begin < end)
	{
		cout<<"false"<<endl;
	} 
	else
	{
		cout<<"true"<<endl;
	}
}
int main()
{
	/*int a;
	cout<<"please input the number of you:"<<endl;
	cin>>a;
	test_circle(a);
	/*char a[]={"aaaaaaa"};
	cout<<"please input 3 char:"<<endl;
	char a[4];
	scanf("%s",a);
	test_char_circle(a,sizeof(a)-1);
	printf("%s
",a);
	
	return 0;
}