| Problem name | | In short | Forum |
| 50362 - Pythagorean Numbers |
 |
Show the number of pythagorean triplets up to N. |
Discussion (2) » |
| 50354 - Intersecting Rectangles |
|
Read two rectangle information and find the intersection percentage |
Clarifications (1) » |
| 50660 - Triangle and the point |
|
Determine whether a point belongs to the triangle |
Discussion (1) » |
| 50666 - The card and envelope |
|
Does card fit in an envelope? |
Discussion (2) » |
| Problem 2 |
|
Show the number of pythagorean triplets up to N. |
|
| 50663 - Lights |
 |
Color of the point, illuminated by lights |
Discussion (1) » |
| 50667 - Intersecting Line Segments |
|
Is there a common point of the two segments? |
Discussion (1) » |