Statement

Andrea is playing the famous game Many Islands. The map of the game is an N × M grid containing only 1s representing ground cells, 0s representing water cells and ?s which are unknown cells. \usepackagetikz \usepackagexcolor \definecolorlightblueRGB173,216,230 \definecolorcellgraygray0.8 \newcommand\Qcell[2] \fill[cellgray] (#1,#2) rectangle (#1+1,#2+1); \node at (#1+0.5,#2+0.5) \small ?;