View Code of Problem 258

#include<iostream>
#include<string>
#include<cmath>
#include<cstring>
#include<iomanip>
using namespace std;
int main()
{
	char s[30];
	while (scanf("%s",s))
	{
		int len = strlen(s);
		long  double sum = 0;
		int cnt = len - 2;
		for (int i = 2;i < len;i++)
		{
			long double z = pow(8, i - 1);
			int a = s[i] - '0';
			long double m = a / z;
			//cout << m << endl;
			sum += m;
		}
		printf("%s [8] = %.50g [10]\n", s, sum);
	}
}
/*
F:\temp\23355139.193256\Main.cc: In function 'int main()':
F:\temp\23355139.193256\Main.cc:11: error: 'scanf' was not declared in this scope
F:\temp\23355139.193256\Main.cc:24: error: 'printf' was not declared in this scope
*/