asd

#include <iostream>
#include <algorithm>
#include <string>
#include <cmath>
#include <stdio.h>

using namespace std;

double H1(int *A, int b ,const string& s) {
    double a = 0 ;
    for (int i = 0; i < b; ++i) {
        a -= (A[i] != 0 ? double(A[i])/ double(s.size()) * (log2(A[i]/double(s.size())))  : double(0));
    }
    return a;
}

string remove_spaces(const string &s) {
    string res;
    for (int i = 0; i < s.size(); ++i) {
        if (isalpha(s[i])) {
            res += tolower(s[i]);
        }
    }
    return res;
}

int encode(char a, char b) {
    return (a - 'а') + (b - 'а') * 32;
}

int getbigram(const string &s, int p) {
    try {
        return encode(s[p], s[p + 1]);
    } catch (...) {
        return 0;
    }
}



int* getfreq(const string &_str, int step) {
    string str = remove_spaces(_str);
    int *A = new int[32 * 32];
    for (int i = 0; i < 32 * 32; ++i) {
        A[i] = 0;
    }
    for (int i = 0; i < str.size() - 1; i += step) {
        ++A[getbigram(str, i)];
    }
    return A;
}

void printcell(double n) {
    printf("%1.3f|", n);
}
void printcell(char c) {
    cout << "  " << c << "  |";
}

void printstick(int n = 199) {
    cout << string(n, '-') << "\n";
}
void printrow(int n, const int *A, int s) {
    cout << "|";
    printcell(char('а' + n));
    for (int i = 0; i < 32; ++i) {
        printcell(A[n + i * 32] / double(s));
    }
    cout << "\n";
    printstick();
}
void printhead() {
    printstick();
    cout << "|     |";
    for (int i = 0; i < 32; ++i) {
        printcell(char('а' + i));
    }
    cout << "\n";
    printstick();
}

int sum(int *A, int n) {
    int r = 0;
    for (int i = 0; i < n; ++i) {
        r += A[i];
    }
    return r;
}

void print_table(const string &str, int step) {
    int *A = getfreq(str, step),
        s = sum(A, 1024);
    printhead();
    for (int i = 0; i < 32; ++i) {
        printrow(i, A, s);
    }
    cout << "\n";
}

int main() {

    setlocale(LC_CTYPE, "rus");

    string s = "апоаыеждрш иьвэадкщлиот эдлкыотрэкдвщлорнлаиотывждларот";

    print_table(s, 1);
    print_table(s, 2);

    int delta = 'я' - 'а' + 2;
    int *A = new int[delta],
        *B = new int[delta];
    for (int i = 0; i < delta; ++i) {
        A[i] = 0;
        B[i] = i;
    }
    for (int i = 0; i < s.size(); ++i) {
        ++A[s[i] == ' ' ? delta - 1   //  индекс последнего элемента массива
                        : s[i] - 'а'];
    }

    for (int i = 0; i < delta; ++i) {
        for (int j = i + 1; j < delta; ++j) {
            if (A[i] < A[j]) {
                swap(A[i], A[j]);
                swap(B[i], B[j]);
            }
        }
    }

    int total = sum(A, delta);

    printstick();
    cout << "|";
    for (int i = 0; i < delta; ++i) {
        printcell(B[i] == delta - 1 ? ' ' : char('а' + B[i]));
    }
    cout << "\n";
    printstick();
    cout << "|";
    for (int i = 0; i < delta; ++i) {
        printcell(A[i] / double(total));
    }
    cout << "\n";
    printstick();

    cout << "\n" << H1(A, delta,s) << "\n";

    delete[] A;

}