C++ Problems for Loop

1 
2 4 
3 6 9 
4 8 12 16 
5 10 15 20 25 
6 12 18 24 30 36 
7 14 21 28 35 42 49 
8 16 24 32 40 48 56 64 
9 18 27 36 45 54 63 72 81 
10 20 30 40 50 60 70 80 90 100 

#include <iostream>
using namespace std;

int main() {

  for(int i = 1; i <= 10; i++){
    for(int j = 1; j<=i; j++){
      cout << i*j << " ";
    }
    cout << "\n";
  }

  return 0;
  }