2 безопасность 2к19

#include "pch.h"
#include <string.h>
#include <fstream>
#include <iostream>
#include <cmath>
#include <limits>
#include <iomanip>

using namespace std;

int main()
{
	char mess[1000];
	char messb[1000];
	char alpha[] = "абвгдеёжзийклмнопрстуфхцчшщъыьэюя";
	char alphaB[] = "АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЬЫЭЮЯ";
	int count[33] = { 0 };
	int totalcount = 0;
	char assist[] = " .,-:;^123456789!?";
	int alphabeg = strlen(alpha);
	char codealpha[100];
	char codealphaB[100];
	system("chcp 1251");
	system("cls");
	int zeronumb;
	int n = 4, k = 4;
	int nr;
	int target = 0;
	ofstream fout("end.txt");
	ifstream start("start.txt");
	while (!start.eof())
	{
		char buf;
		start.get(messb[target]);
		target++;

	}
	for (int i = 0; i < target - 1; ++i)
	{
		mess[i] = messb[i];
	}
	for (int i = 0; i < target - 1; ++i)
	{
		for (int j = 0; j < alphabeg; ++j)
		{
			if ((mess[i] == alpha[j]) || (mess[i] == alphaB[j]))
			{
				count[j]++;
				totalcount++;
			}
		}
	}
	int length = target;
	if (alphabeg%n == 0) { cout << "Error, wrong A key"; }
	cout << "Буква" << "\t" << "Всего в тексте" << "\t" << "Относительная частота" << endl;;
	for (int i = 0; i < alphabeg; ++i)
	{
		float oftency = (float)count[i] / totalcount;
		cout << alphaB[i] << "\t" << count[i] << "\t" << setprecision(3)<< oftency << "%"<<endl;
		fout << alphaB[i] << "\t" << count[i] << "\t" << setprecision(3) << oftency << "%" << endl;
	}
	system("pause");
	fout.close();
	return 0;
}