Article : In between - Colegiul national B.P. Hasdeu (Buzau)

Résumé de la production
You get lost in a street with houses numbered from 1 to n (which is a positive integer - a known value), placed on only one side of the road. All you know is that the numbers of the houses on the right side of your home add up to the same result as the numbers of the houses on its left. Can you find your address?
Mots clés
somme d'entiers
carré
carré parfait
nombre triangulaire