not long ago company R2 buy company r1 consequently development field multicore processor now R2 laboratory testing R1 processorsthe testing go n step step processor get instruction temperature measure the head engineer R2 keep report record work processor write minimum maximum measure temperature notebook his assistant write temperature notebook unknown reason record mThe day engineer assistant file report m temperature however chief engineer doubt assistant write correctly naturally chief engineer do not doubt note so ask help give number n m min max list m temperature determine upgrade set m temperature set n temperature add nm temperature minimum temperature min maximum max