호너의법칙/조현태

~cpp 

#include <iostream>
#include <fstream>

using namespace std;

int input[11] = {3,3,3,3,3,3,3,3,3,3,3} ;
const int INPUT_MAX=11;
int x;
int number_of_sum=0;
int number_of_multiply=0;

int Horner(int);

void main()
{
	const int SIZE_OF_LINE=5;
	const int NUMBER_TO_CHAR=48;
	const int SIZE_OF_BLOCK=4;
	cout << "x의 값을 입력해주세요.>>";
	cin >> x;
	ofstream outputFile("aswer.txt");
	char write_temp[SIZE_OF_LINE][8+INPUT_MAX*SIZE_OF_BLOCK];
	for (register int i=0; i<8+INPUT_MAX*4; i++)
		write_temp[0][i]=write_temp[2][i]=write_temp[4][i]='=';
	strcpy(write_temp[1]," |index|");
	strcpy(write_temp[3]," | data|");
	for (register int i=0; i<INPUT_MAX; i++){
		write_temp[1][i*SIZE_OF_BLOCK+8]=write_temp[1][i*SIZE_OF_BLOCK+10]=write_temp[3][i*SIZE_OF_BLOCK+8]=write_temp[3][i*4+10]=' ';
		if (10<=i)
			write_temp[1][i*SIZE_OF_BLOCK+8]=i/10+NUMBER_TO_CHAR;
		write_temp[1][i*SIZE_OF_BLOCK+9]=i%10+NUMBER_TO_CHAR;
		if (10<=input[i])
			write_temp[3][i*SIZE_OF_BLOCK+8]=input[i]/10+NUMBER_TO_CHAR;
		write_temp[3][i*SIZE_OF_BLOCK+9]=input[i]%10+NUMBER_TO_CHAR;
		write_temp[1][i*SIZE_OF_BLOCK+11]=write_temp[3][i*SIZE_OF_BLOCK+11]='|';
	}
	for (register int i=0; i<SIZE_OF_LINE; ++i){
		for (register int j=0; j<8+INPUT_MAX*4; ++j)
			outputFile << write_temp[i][j];
		outputFile << '\n';
	}
	outputFile << "# Horner Function Value ----> "<< Horner(0) << "\n";
	outputFile << "# Horner ADD      Count ----> "<< number_of_sum << "\n";
	outputFile << "# Horner Multiply Count ----> "<< number_of_multiply << "\n";
	outputFile.close();
}

int Horner(int number)
{
	if (INPUT_MAX-1==number)
		return input[number];
	else{
		++number_of_multiply;
		++number_of_sum;
		return Horner(number+1)*x+input[number];
	}
}