백준 2745 c++

#include <iostream>
#include <cstring>
#include <cmath> //수식 함수 헤더

using namespace std;

int main(void)
{
	char N[32] = {};
	int editted_N[32] = {};
	int B, i, dec = 0, len;
	
	cin >> N >> B;
	if (B >= 2 && B <= 36)
	{
		len = (int)strlen(N);
		for (i = 0; i < len; i++)
		{
			if ((int)N[i] >= 65 && (int)N[i] <= 90)
			{
				editted_N[i] = (int)N[i] - 55;
			}
			else if ((int)N[i] >= 48 && (int)N[i] <= 57)
			{
				editted_N[i] = (int)N[i] - 48;
			}
			else
			{
				;
			}
			dec = dec + editted_N[i] * pow(B, len - i - 1);
		}

		cout << dec << endl;
	}
	else
	{
		;
	}

	return 0;
}