浓缩的都是精华

#include <iostream>
using namespace std;

int n;
unsigned int N[1010][1010];

int main(){
    cin >> n;
    N[1][1] = 1;
    for (int i = 2; i <= n; i ++ )for(int j = 1; j <= i; j++)N[i][j] = N[i-1][j]+N[i-1][j-1];
    for (int i = 1; i <= n; i ++ )for(int j = 1; j <= i; j++){
        cout << N[i][j] << ' ';
        if(j == i)cout << endl;
    }
    return 0;
}