Zonal Computing Olympiad is organized by IARCS (Indian Association for Research in Computing Science) to screen out talented students who could represent India at IOI, the world's second largest olympiad, which witnessed participation of 84 countries last year.

The students who clear ZCO/ZIO qualify to write ZIO and the students who qualify ICO then qualify for Training Camp through which the Indian delegation is selected. IIIT Hyd, IIIT Delhi, CMI Chennai admit students on the basis of ICO scores. Ivy League universities have accepted students basis IOI performance.

The orientation session helps students in understanding ZCO/ZIO and a few prev year questions would be solved.