编程分拆正整数

#include <iostream>
using namespace std;

int ()
{
    const int K = 2;
    const int J = 4;
    int a[K] = { 0 };
    int i, j, t;
    bool TF = true;

    t = 0;
    i = 0;

    while (1)
    {
        if (i == 0)
        {
            a[i]++;
            if (a[i] >= J)
                break;

            t += a[i];
            i++;
            TF = true;
            continue;
        }
        else
        {
            if (TF == true)
            {
                a[i] = a[i - 1];
            }
            else
            {
                ++a[i];
            }

            if (a[i]>J - t)
            {
                a[i] = 0;
                t -= a[i - 1];
                i--;
                TF = false;
                continue;
            }

            if (i == K - 1)
            {
                if (t + a[i] == J)
                {
                    for (j = 0; j<K; j++)
                    {
                        cout << a[j];
                    }
                    cout << endl;
                }
                TF = false;
                continue;
            }

            t += a[i];
            i++;
            TF = true;
            continue;
        }
    }

    return 0;
}

#include <iostream>
using namespace std;

int ()
{
    const int J = 8;  
    int m = 2;
    while (m <= J)
    {
        int *a = new int[m]();
        int i, j, t;
        bool TF = true;

        t = 0;
        i = 0;
        while (1)
        {
            if (i == 0)
            {
                a[i]++;
                if (a[i] >= J)
                    break;

                t += a[i];
                i++;
                TF = true;
                continue;
            }
            else
            {
                if (TF == true)
                {
                    a[i] = a[i - 1];
                }
                else
                {
                    ++a[i];
                }

                if (a[i]>J - t)
                {
                    a[i] = 0;
                    t -= a[i - 1];
                    i--;
                    TF = false;
                    continue;
                }

                if (i == m - 1)
                {
                    if (t + a[i] == J)
                    {
                        for (j = 0; j<m; j++)
                        {
                            cout << a[j];
                        }
                        cout << endl;
                    }
                    TF = false;
                    continue;
                }

                t += a[i];
                i++;
                TF = true;
                continue;
            }
        }
        delete[] a;
        ++m;
    }
    return 0;
}