Excersise 2

//Tran Viet Anh - 9:33PM
#include<iostream>
#include<string.h>
using namespace std;

int main()
{
    cout << "Input number of row: ";
    int n; cin >> n;
    cout << "Input number of column: ";
    int m; cin >> m;
    int a[n][m];
    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++)
        {
            cout << "a[" << i << "," << j << "]: ";
            cin >> a[i][j];
        }
    int maxRow[n];
    int minColumn[m];
    int countMax[n];
    int countMin[m];

    for (int i = 0; i < n; i++)
    {
        countMax[i] = 0;
        maxRow[i] = -INT_MAX;
    }

    for (int j = 0; j < m; j++)
    {
        countMin[j] = 0;
        minColumn[j] = INT_MAX;
    }

    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++)
        {
            if (a[i][j] > maxRow[i])
            {
                countMax[i] = 1;
                maxRow[i] = a[i][j];
            }
            else if (a[i][j] == maxRow[i]) countMax[i]++;
            if (a[i][j] < minColumn[j])
            {
                countMin[j] = 1;
                minColumn[j] = a[i][j];
            }
            else if (a[i][j] == minColumn[j]) countMin[j]++;
        }

    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++)
            if (a[i][j] == maxRow[i] && countMax[i] == 1 && a[i][j] == minColumn[j] && countMin[j] == 1)
                cout << a[i][j] << " ";
    return 0;
}