文件目录

#include <iostream>
using namespace std;
int main()
{
    int n;
    cin >> n;
    int tra[25][25] = {};
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= i; j++)
        {
            if (j == 1)
                tra[i][j] = 1;
            else
                tra[i][j] = tra[i - 1][j] + tra[i - 1][j - 1];
            cout << tra[i][j] << " ";
        }
        cout << endl;
    }
    return 0;
}