Minimum removals to make array sum odd | Function to find minimum removals ; Count odd numbers ; If the counter is odd return 0 otherwise return 1 ; Driver Code
< ? php function findCount ( $ arr , $ n ) { $ countOdd = 0 ; for ( $ i = 0 ; $ i < $ n ; $ i ++ ) if ( $ arr [ $ i ] % 2 == 1 ) $ countOdd ++ ; if ( $ countOdd % 2 == 0 ) return 1 ; else return 0 ; } $ arr = array ( 1 , 2 , 3 , 5 , 1 ) ; $ n = sizeof ( $ arr ) ; echo ( findCount ( $ arr , $ n ) ) ; ? >