| Problem name | | In short | Forum |
| 50723 - Tribonacci |
 |
Find the nth element of the tribonacci sequence |
Clarifications (1) » |
| 50370 - Number of rectangles in a matrix |
 |
How many rectangles are there in the given matrix? |
Discussion (1) » |
| 50475 - Voice advertising |
|
Find the best advertising spot |
Discussion (1) » |
| 50909 - Gold Coins |
|
|
Clarifications (1) » |
| 50376 - Sequences |
|
nth Element of a Sequence |
Discussion (1) » |
| 50725 - Fibonacci Series |
|
|
Clarifications (1) » |
| 50385 - The 3n + 1 problem |
|
|
Clarifications (1) » |
| 50911 - Symmetric Array |
|
|
Discussion (2) » |
| 50381 - Sum of the numbers |
|
Calculate sum of the numberss from position a to b. |
Clarifications (1) » |
| 50389 - Reverse an Array |
|
Reverse an array from pos 1 to pos2. |
Clarifications (1) » |
| 50727 - Fibonacci Numbers |
|
Write a program that calculates nth element of the Fibonacci sequence. |
Clarifications (2) » |
| 50415 - The Scientist |
|
|
Clarifications (1) » |
| 50421 - Repairing road segments |
|
Repairing broken road segments using a new innovative robot |
Clarifications (1) » |
| 50935 - Max Discount |
|
|
Clarifications (3) » |
| 50724 - Number of Circles |
|
|
Discussion (2) » |
| 50729 - Max number in 2D array |
|
|
Discussion (1) » |
| 51081 - Fish Pond I |
|
|
|
| 50726 - Pascal Triangle - 1 |
|
Show n-th row r-th element of pascal triangle. |
Discussion (2) » |
| 50928 - War Of Battleships |
|
|
Clarifications (1) » |
| 50577 - Perfect Numbers and Perfect Cousins |
|
Find all the perfect and perfect cousin numbers in an interval |
Clarifications (1) » |
| 50721 - Palindrome |
 |
How many characters are needed for the string to become a palindrome ? |
Discussion (2) » |