MathDB
Number Theory

Source: IZHO 2016 p2

January 15, 2016
number theory

Problem Statement

a1,a2,...,a100a_1,a_2,...,a_{100} are permutation of 1,2,...,1001,2,...,100. S1=a1,S2=a1+a2,...,S100=a1+a2+...+a100S_1=a_1, S_2=a_1+a_2,...,S_{100}=a_1+a_2+...+a_{100}Find the maximum number of perfect squares from SiS_i