1+2+3+4+5+.....+9999999999999999999999999
Pls!!! Dau coroană, 5 stele, inimă și follow!!!!​


Răspuns :

Poti folosi suma lu gauss:

n * ( n + 1 ) /2

9999999999999999999999999 * ( 9999999999999999999999999 + 1 ) /2

Ce rezulta: 4999999999999999999950000000000000000000

Coroana te rog