floydtiangle.cpp

#include<iostream>
using namespace std;

int main()
{
    int n;
    cin >> n;

    int count = 1;
    
    for(int i = 1;i <=n;i++){
        for(int j = 1;j <= i;j++){
            cout << count << " ";
            count++;
        }
    cout << endl;
    }
    return 0;
}