text: Set j on the basis of current window i . e . first element of the current window
code: for ( $ j = $ start ; $ j < $ i ; $ j ++ ) if ( $ circBuff [ $ i ] > $ circBuff [ $ j ] && $ LIS [ $ i ] < $ LIS [ $ j ] + 1 ) $ LIS [ $ i ] = $ LIS [ $ j ] + 1 ;