#include<iostream>
using namespace std;
int main()
{
	//int arr[2][3] = { 2,3,5,9,1,7 };
	int arr[2][3] = {
	{2,3,5},
	{9,1,7 }
	};
	
	for (int i = 0; i < 2; i++)//i表示 2 行
	{
		for (int j = 0; j < 3; j++)//j表示 3 列
		{
			cout << arr[i][j] << " ";
		}
		cout << endl;//在行( i )结束后才有换行
	}
}