Print if x exists or not
if ( flag != 0 ) Console . WriteLine ( x + " ▁ exists ▁ between ▁ [ " + l + " , ▁ " + r + " ] ▁ " ) ; else Console . WriteLine ( x + " ▁ does ▁ not ▁ exist ▁ between ▁ [ " + l + " , ▁ " + r + " ] ▁ " ) ; } } }