#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
}
}