eight2ten.cpp

八进制转化为二进制的C++实现方法

//=====================================
// title: 八进制转换为十进制
// author: cjj
// date: 2007-10-08
/* Description: 

*/
//=====================================
#include <iostream>
#include <cmath>

using namespace std;

int main()
{
	//循环读取八进制数
	for (int num; cin >> num;)
	{
		int sum = 0;
		for (int i = 0; num > 0; i++)
		{
			sum = sum + (num % 10) * (int) pow(8.0, i);
			num /= 10;
		}
		cout << sum << "(10)" << endl;
	}
	return 0;
}