| Problem name | | In short | Forum |
| 100. 50397 - The Number of Points in a Rectangle |
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The program will then count the number of points inside the rectangle. |
Clarifications (1) » |
| 110. 50409 - Random Password Generator |
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Write a program that produces n random passwords. |
Clarifications (4) » |
| 120. 50684 - Sum of prime numbers from a to b |
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Find all the prime numbers between a and b |
Clarifications (1) » |
| 125. 50578 - Mersenne prime |
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Output the number of Mersenne primes in the given list. |
Clarifications (2) » |
| 130. 50652 - Prime Factorization |
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Output the prime factorization of the given number |
Clarifications (3) » |
| 132. 50474 - Sum of Two Primes |
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Clarifications (1) » |
| 135. 50572 - Palindromic Numbers |
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Show if a number is palindrome |
Discussion (1) » |
| 140. 50393 - Palindromic Numbers |
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Show the number of palindromic numbers |
Clarifications (2) » |
| 145. 50586 - Prime Palindromes |
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Find all prime palindromes between the given limits |
Clarifications (2) » |
| 148. 50412 - K numbers |
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If N is a K number, output the splited form of the number. |
Clarifications (5) » |
| 150. 50375 - Area of Circles |
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Calculate and show the area of a circle |
Clarifications (1) » |
| 160. 50388 - Number of Armstrong Numbers - 1 |
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Calculate the number of Armstrong numbers between the given numbers |
Clarifications (1) » |
| 160. 50571 - Armstrong Numbers - 2 |
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Calculate the armstrong numbers between two given numbers. |
Discussion (1) » |
| 165. 50577 - Perfect Numbers and Perfect Cousins |
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Find all the perfect and perfect cousin numbers in an interval |
Clarifications (1) » |
| 190. 50533 - Contacts List |
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Search a text within another text |
Clarifications (1) » |
| 200. 50454 - What day is it? |
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Read date information and show what the day of the week it is |
Discussion (1) » |
| 210. 50369 - Base Conversion |
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Convert a number from a base into another |
Discussion (1) » |
| 250. 50385 - The 3n + 1 problem |
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Clarifications (1) » |
| 260. 50493 - n-digit kth Prime Number |
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Clarifications (1) » |