Nested Loops, Count up then down...

[Harkins1721]

I was wondering if anyone could help me point out whats wrong with my code. I want to use a nested for loop and have the loop count up like ive done. Only problem is I want it to count like so...

"1
12
123
1234
12345"

Instead im getting

"1
23
456
78910
1112131415"

  #include <iostream>
#include <iomanip>

using namespace std;

int main()
{
int row, col;
int size;
int mych;

cout << "Size of Shapes (>0) ";
cin >> size;

while (size<0)
	{	
		cout << "\nSize of Shapes (>0) ";
		cin >> size;
	}


cout << "Characters to use: ";
cin >> mych;



for(row = 1; row <= size; row++)
{
	cout << "\n" << setw(8);

for(col = 1; col <=row; col++)
{
	cout << mych;
	mych++;
	
	
}

}
cout << "\n\n";

system ("pause");

return 0;
}

[yulingo]

you need to reset mych in your outer for loop.

char printch;
for(row = 1; row <= size; row++)
{
    printch = mych;
    cout << "\n" << setw(8);

    for(col = 1; col <=row; col++)
    {
        cout << printch;
        printch++;
    }
}

[Harkins1721]

Why thank you very much!

What if I wanted to count down? What would I do then?

"12345
1234
123
12
1"

[yulingo]

You can reverse your outer for loop to count down from a larger number instead of counting up from a smaller number:

for(row = size; row > 0; --row)