text: function to print the majority Number
code: int majorityNumber ( int arr [ ] , int n ) { int ans = -1 ; unordered_map < int , int > freq ; for ( int i = 0 ; i < n ; i ++ ) { freq [ arr [ i ] ] ++ ; if ( freq [ arr [ i ] ] > n / 2 ) ans = arr [ i ] ; } return ans ; }