Print the answer of queries
Console . Write ( ( v [ 0 ] [ 1 ] - v [ 0 ] [ 0 ] + 1 - ( pref [ v [ 0 ] [ 1 ] ] - pref [ v [ 0 ] [ 0 ] - 1 ] ) ) + " ▁ " ) ; Console . Write ( ( v [ 1 ] [ 1 ] - v [ 1 ] [ 0 ] - ( pref [ v [ 1 ] [ 1 ] ] - pref [ v [ 1 ] [ 0 ] - 1 ] ) ) + " ▁ " ) ; }