How to made pattern using for

Question

hello, how can i make this pattern using only for
5 10. 15
4 9 14
3 8 13
2 7 12
1 6 11
thank you

Answer 1

Do you even need the dot between the 10 and the 15?

If not, you may use this code :

#include<iostream>
#include<iomanip>
using std::cout, std::endl, std::setw, std::left;
int main()
{
for(int i=0;i<5;i++)
{
cout<<left<<setw(4)<<5-i;
cout<<left<<setw(4)<<10-i;
cout<<left<<setw(4)<<15-i<<endl;
}
}