#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<time.h>
#include<math.h>
#define MAX 100
void NhapMang(int a[][MAX], int &dong, int &cot)
{
	//Nhập số dòng
	do
	{
		printf("\nNhap vao so dong: ");
		// Cách tà đạo: scanf("dong =%d",&dong);  // Lúc nhập phải viết thêm  chữ ( dong =  ) ở khung console
		scanf("%d",&dong);

		if(dong < 1 || dong > MAX)
		{
			printf("\nSo dong khong hop le. Xin kiem tra lai!");
		}

	}while(dong < 1 || dong > MAX);

	//Nhập số cột
	do
	{
		printf("\nNhap vao so cot: ");
		scanf("%d",&cot);

		if(cot < 1 || cot > MAX)
		{
			printf("\nSo cot khong hop le. Xin kiem tra lai!");

		}

	}while(cot < 1 || cot > MAX);


	for(int i = 0; i < dong; i++)
	{
		for(int j = 0; j < cot; j++)
		{
			printf("\nNhap a[%d][%d] = ", i, j);
			scanf("%d", &a[i][j]);
		}
	}
}

void XuatMang(int a[][MAX], int dong, int cot)
{
	for(int i = 0; i < dong; i++)
	{
		for(int j = 0; j < cot; j++)
		{
			printf("%4d", a[i][j]);
		}
			printf("\n\n");
	}
}

int TimPhanTuNhoNhatDong(int a[][MAX], int vtdong, int vtcot, int dong, int cot)
{
	int x = a[vtdong][vtcot];
	for(int i = 0; i < cot; i++)
	{
		if(a[vtdong][i] < x)
		{
			return false;
		}
	}
	return true;
}

int TimPhanTuLonNhatCot(int a[][MAX], int vtdong, int vtcot, int dong, int cot)
{
	int x = a[vtdong][vtcot];
	for(int j = 0; j < dong; j++)
	{
		if(a[j][vtcot] > x)
		{
			return false;
		}
	}
	return true;
}

void DemSoPhanTuYenNgua(int a[][MAX], int dong, int cot)
{
	int dem = 0;
	for(int i = 0; i < dong; i++)
	{
		for(int j = 0; j < cot; j++)
		{
			if(TimPhanTuNhoNhatDong(a, i, j, dong, cot) && TimPhanTuLonNhatCot(a, i, j, dong, cot))
			{
				printf ("A[%d][%d] = %d la mot diem yen ngua \n", i, j, a[i][j]);
				dem++;
			}
		}
	}
	printf("\nSo phan tu yen ngua la %d", dem);
}
int main()
{
	int a[MAX][MAX], dong, cot;
	NhapMang(a, dong, cot);
	XuatMang(a, dong, cot);

	DemSoPhanTuYenNgua(a, dong, cot);
	getch();
	return 0;
}

Line 17: error: conio.h: No such file or directory
Line 7: error: expected ';', ',' or ')' before '&' token
In function 'XuatMang':
Line 50: error: 'for' loop initial declaration used outside C99 mode
Line 52: error: 'for' loop initial declaration used outside C99 mode
In function 'TimPhanTuNhoNhatDong':
Line 63: error: 'for' loop initial declaration used outside C99 mode
Line 67: error: 'false' undeclared (first use in this function)
Line 67: error: (Each undeclared identifier is reported only once
Line 67: error: for each function it appears in.)
Line 70: error: 'true' undeclared (first use in this function)
In function 'TimPhanTuLonNhatCot':
Line 76: error: 'for' loop initial declaration used outside C99 mode
Line 80: error: 'false' undeclared (first use in this function)
Line 83: error: 'true' undeclared (first use in this function)
In function 'DemSoPhanTuYenNgua':
Line 89: error: 'for' loop initial declaration used outside C99 mode
Line 91: error: 'for' loop initial declaration used outside C99 mode