Spiralka(matrix) algo by alesik

#include "pch.h"
#include <stdio.h>
#include <locale.h>
#include <iostream>
#include <vector>
#include <cstdlib>
#define add b.push_back(a[i][j]);
#define u && b.size() != n*m

using namespace std;

void printm(int **a, int n, int m) {
    cout << endl;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cout << a[i][j] << " ";
        }
        cout << endl;
    }
}

int main()
{
    int n, m;
    cout << "Enter n and m" << endl;
    cin >> n >> m;
    vector<int> b;
    int **a = (int **)malloc(n * sizeof(int));
    for (int i = 0; i < n; i++) {
        a[i] = (int *)malloc(m * sizeof(int));
        for (int j = 0; j < m; j++) {
            a[i][j] = rand() % 10;
        }
    }
    printm(a, n, m);
    int i = 0;
    int j = 0;
    int m0 = m, n0 = n, i1 = 1, j1 = 0;
    while (b.size() != n * m) {
        for (j; j < m0 u; j++) {
            add;
        }
        j--;
        i++;
        for (i; i < n0 u; i++) {
            add;
        }
        i--;
        j--;
        for (j; j >= j1 u; j--) {
            add;
        }
        j++;
        i--;
        for (i; i >= i1 u; i--) {
            add;
        }
        m0--;
        n0--;
        i++;
        j++;
        j1++;
        i1++;
    }
    cout << endl;
    for (int i = 0; i < n*m; i++) {
        cout << b[i] << " ";
    }