Ma tran vuong, bac cua ma tran

// TranTrung.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "iostream"
#include "fstream"
#include "sstream"


using namespace std;

#define sign ' '
#define filename "data.txt"
#define MAX 100

int numberOfPoints = 0;
int toInt(string c)//Chuyen tu Char sang int
{
    int r = (c[0] - '0')%48;
    return r;
}
int countofString(string source)//Tinh so ki tu khac ' ' trong 1 chuoi
{
    int r = 0;
    for (int i = 0; i < source.length(); i++)
    {
        if (source[i] != ' ')
            r++;
    }
    return r;
}
void splitString(string source, int target[])//Cat chuoi thanh cac so va them vao mang
{
    istringstream tmp(source);
    string temp;
    for (int i = 0; i<countofString(source); i++)
    {
        getline(tmp, temp, sign);
        target[i] = toInt(temp);
    }

}
void loadFromFile(int target[][MAX])//Lay du lieu tu file text vao mang
{
    fstream fs;
    string str;
    int tmp[MAX];
    fs.open(filename, ios::in);
    if (fs.is_open())
    {
        int i = 0;
        while (fs.good() && !fs.eof())
        {
            getline(fs, str);
            if (str == "")
                break;
            else
            {
                splitString(str, tmp);
                for (int j = 0; j<countofString(str); j++)
                {
                    target[i][j] = tmp[j];
                }
                i++;
            }
        }
        numberOfPoints = i;
        fs.close();
    }
}
void countRank(int source[][MAX], int target[])//Tinh toan bac cua cac phan tu trong mang roi luu vao 1 mang khac
{
    for (int i = 0; i < numberOfPoints; i++)
    {
        int tmpcount = 0;
        for (int j = 0; j < numberOfPoints; j++)
        {
            if (source[j][i] == 1)
                tmpcount++;
        }
        target[i] = tmpcount;
    }
}
int maxOfRank(int rank[])
{
    int max = rank[0];
    for (int i = 1; i < numberOfPoints; i++)
    {
        if (rank[i]>max)
            max = rank[i];
    }
    return max;
}
void deleteRowandCollumn(int input[][MAX], int pos)//Xoa  dong va cot cua 1 phan tu trong mang tai vi tri pos
{
    for (int i = pos; i < numberOfPoints; i++)//Xoa dong
    {
        for (int j = 0; j < numberOfPoints; j++)
        {
            input[i][j] = input[i + 1][j];
        }
    }
    for (int j = pos; j < numberOfPoints; j++)//Xoa cot
    {
        for (int i = 0; i < numberOfPoints; i++)
        {
            input[i][j] = input[i][j + 1];
        }
    }
    numberOfPoints--;//Giam so phan tu di 1
}
void decreaseRank(int source[][MAX], int rank[])//Giam bac cua cac diem co lien quan voi diem bi xoa
{
    int rankmax=maxOfRank(rank);//lay gia tri bac cao nhat
    for (int i = 0; i < numberOfPoints; i++)
    {
        if (rank[i] == rankmax)//lay vi tri  cua phan tu co bac cao nhat
        {
            deleteRowandCollumn(source, i);//Xoa phan tu co bac cao nhat ra khoi mang
        }
    }
    countRank(source, rank);//Giam bac cua cac phan tu co lien quan(tinh lai bac theo bang moi)
}
void showArr(int input[][MAX], int cnt)
{
    for (int i = 0; i < cnt; i++)
    {
        for (int j = 0; j < cnt; j++)
        {
            cout << input[i][j] << " ";
        }
        cout << endl;
    }
    cout << endl;
}
void showArr(int input[], int cnt)
{
    for (int i = 0; i < cnt; i++)
        cout << input[i] << " ";
    cout << "   RANK" << endl << endl;
}
int _tmain(int argc, _TCHAR* argv[])
{
    int arr[MAX][MAX];
    int rank[MAX];
    //cout << "Nhap n: "; cin >> n;
    loadFromFile(arr);
    showArr(arr, numberOfPoints);
    countRank(arr, rank);
    showArr(rank, numberOfPoints);

    decreaseRank(arr, rank);
    showArr(arr, numberOfPoints);
    showArr(rank, numberOfPoints);
    return 0;
}