Next one in the series P40593
Consider the series
| 0, 0 + 1, 0 + 1 + 2, 0 + 1 + 2 + 3, 0 + 1 + 2 + 3 + 4, … = 0, 1, 3, 6, 10, … |
Write a program that, for every given natural number n, prints the first number of the series greater than or equal to n.
Input
Input consists of a sequence of natural numbers n.
Output
For every n, print the first number of the series 0, 1, 3, 6, … that is greater than or equal to n.
Public test cases
Input
6 7 1 2
Output
6 10 1 3
Information
- Author
- Salvador Roura
- Language
- English
- Translator
- Carlos Molina
- Original language
- Catalan
- Other languages
- Catalan
- Official solutions
- C++ Java Python
- User solutions
- C C++ Java Python