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Today's Problem


Solve one problem each day

Saturday, 13 april 2013

(5 comments)3.927 times displayed

Doua scari rulante merg in paralel una langa alta. Una urca si alta coboara si fiecare au cate 100 de trepte. Cate o persoana sta pe fiecare treapta si intotdeauna scarile sunt pline. Daca un om paseste pe prima treapta a scarii rulante care urca, cate persoane trec pe langa el  pana ajunge la finalul scarii ?


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