Discussion @ 1120. Sum of Sequential Numbers @ Timus Online Judge

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Discussion of Problem 1120. Sum of Sequential Numbers

sos!!

Posted by lian lian 12 Nov 2007 18:38

i don`t understant what means "N = A + (A + 1) + … + (A + P − 1)."?

i think: when A=2: 14=2+(2+1)+(2+2)+(2+3) P=?

why was p=4 in the subject?

please help me!!!

Re: sos!!

Posted by Nickolai Besschetnov 9 Oct 2008 14:35

'cause 2+3 == 2+4-1