#include <iostream>
using namespace std;
#define M 100
void NhapMang(int a[][M], int row, int col)
{
	
	for (int i = 0; i < row; i++)
	{
		for (int j = 0; j < col; j++)
		{
			cout << "a[" << i << "][" << j << "]:";
			cin >> a[i][j];
		}
		cout << endl;
	}
}

void XuatMang(int a[][M], int row, int col)
{
	for (int i = 0; i < row; i++)
	{
		for (int j = 0; j < col; j++)
		{
			cout << a[i][j] << "\t";
		}
		cout << endl;
	}
}

int Tongduongcheophu(int a[][M], int row, int col)
{
	int sum = 0;
	for (int i = 0; i < row;)
	{
		for (int j = col-1; j >=0; j--)
		{
			sum += a[i][j];
			i++;
			continue;

		}
	}
	return sum;
}
int main()
{
	int a[M][M], row, col;
	cout << "Mang A" << endl;
	cout << "Input row:";
	cin >> row;
	cout << "Input collum:";
	cin >> col;
	NhapMang(a, row, col);
	XuatMang(a, row, col);
	cout << "Sum duong cheo phu la:" << Tongduongcheophu(a, row, col);
	return 1;
}