1.

1   1
2   3
3   7
4   15
5   31
6   63
7   127

2.

100 1
97 3
88 9
61 27

3.

for(int K = 0; K < 1000; K = K + 7)
		cout << K << endl;

4.

void PaintSquare(int x, int y, int size){
	PaintRect(x, y, x + size, y - size);
}