asdfsadfa

#include "stdafx.h"
#include <cmath>
#include <iomanip>
#include "iostream"
#include <ctime>
#include <vector>

using namespace std;

void arr_input(int **x, int M, int N)
{
    cout << "Ввод массива" << endl;
    for (int i = 0; i < M; ++i)
    {
        for (int j = i; j < N; ++j)
        {
            cin >> x[i][j];
        }
        cout << endl;
    }

}

void arr_output(int **x, int M, int N)
{
    system("cls");
    cout << "Вывод массива" << endl << endl;
    for (int i = 0; i < M; ++i)
    {
        for (int j = 0; j < i; ++j)
        {
            cout << setw(4) << " ";
        }
        for (int j = i; j < N; ++j)
        {
            cout << setw(4) << x[i][j];
        }
        cout << endl;
    }
}

void arr_input_rand(int **x, int M, int N)
{
    cout << "Ввод массива" << endl;
    for (int i = 0; i < M; ++i)
    {
        for (int j = i; j < N; ++j)
        {
            x[i][j] = rand() % 150;
        }
        cout << endl;
    }

}

int **arr_create(unsigned int str, unsigned int stl) {
    int **ptrary = new int *[str];
    for (int i = 0; i < str; i++) {
        ptrary[i] = new int[stl];
    }
    return ptrary;
}

bool elements_0(int *x, int N)
{
    int count;
    for (int i = 0; i < N; ++i)
    {
        if (x[i] != 0) { return false; }
    }
    return true;
}

int strings_0(int **x, int M, int N)
{
    int count = 0;
    for (int i = 0; i < M; ++i)
    {
        if (elements_0(x[i], N)) { ++count; }
    }
    return count;
}

double intToDoub(int h)
{
    double x = h;
    return x;

}

double find_x(int chisl, int znam)
{
    double res = intToDoub(chisl) / intToDoub(znam);
    return res;
}

void sss(int **x, int M, int N)
{
    int sum = 0;
    vector <double> xs(N);
    int m = M - 1, n = N - 1;
    cout << "m = " << m << "n = " << n;

    int sas = n;
    for (int i = m; i >= 0; --i)
    {
        for (int j = n - 1; j != i; --j)
        {
            sum -= x[i][j] * xs[j];
        }
        sum += x[i][n];
        xs[sas] = find_x(sum, x[i][i]);
        sum = 0;
        --sas;
    }

    for (int i = 0; i < xs.size(); ++i)
    {
        cout << xs[i] << " ";
    }
}

int main()
{
    setlocale(0, "");
    int **mt;
    int str, stl;
    cout << "Введите размер матрицы: " << endl;
    cin >> str;
    stl = str+1;
    mt = arr_create(str, stl);
    int k;
    cout << "1 - вручную, 0 - случайные значения" << endl;
    cin >> k;
    if (k == 1) { arr_input(mt, str, stl); }
    if (k == 0) { arr_input_rand(mt, str, stl); }

    arr_output(mt, str, stl);
    sss(mt, str, stl);

    //cout << strings_0(mt,str,stl);


    cout << endl;

    return 0;

}