han tu co gia tri lon nhat tron dong ma nho nhat tren cot

//Viet chuong trinh in ra phan tu co gia tri lon nhat tron dong ma nho nhat tren cot
#include <stdio.h>
void nhap (int &m, int &n, int A[][100]);
int minCot (int m, int n, int A[][100], int viTriCot, int viTriDong);
void xuLy (int m, int n, int A[][100]);
void main ()
{
    int A[100][100];
    int m,n;
    nhap (m,n,A);
    xuLy (m,n,A);
}
int minCot (int m, int n, int A[][100], int viTriCot, int viTriDong)
{
    A[viTriDong][viTriCot];
    for (int i=0;i<m;i++)
    {
        if (A[viTriDong][viTriCot]>A[i][viTriCot])
        {
            return 0;
        }
    }
    return 1;
}
void xuLy (int m, int n, int A[][100])
{
    int kt=0;
    int maxDong;
    int viTriCot=0, viTriDong=0;
    for (int i=0;i<m;i++)
    {
        maxDong=A[i][0];
        for (int j=0;j<n;j++)
        {
            if (maxDong<A[i][j])
            {
                viTriCot=j;
                viTriDong=i;
                maxDong=A[i][j];
            }
        }
        if (minCot(m,n,A,viTriCot,viTriDong)==1)
        {
            kt=1;
            printf ("%d ",maxDong);
        }
    }
    if (kt==0)
    {
        printf ("Khong co !\n");
    }
}
void nhap (int &m, int &n, int A[][100])
{
    printf ("Nhap kich thuoc cua ma tran !\n");
    scanf ("%d%d",&m,&n);
    for (int  i=0;i<m;i++)
    {
        for (int j=0;j<n;j++)
        {
            scanf ("%d",&A[i][j]);
        }
    }
}