Right-angled triangle pattern 2

// For the given integer, print the right-angled triangle pattern.

// Sample Input 0

// 5
// Sample Output 0

// 1
// 2 6
// 3 7 10
// 4 8 11 13
// 5 9 12 14 15



#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int n;
    cin>>n;
    for (int i=1;i<=n;i++) {
        int k=i;
        for(int j=1;j<=i;j++){
            cout<<k<<" ";
            k=k+n-j;
        }
        cout << endl;
    }
    return 0;
}