Find the Number Occurring Odd Number of Times | C ++ program to find the element occurring odd number of times ; Function to find the element occurring odd number of times ; driver code ; Function calling
#include <bits/stdc++.h> NEW_LINE using namespace std ; int getOddOccurrence ( int arr [ ] , int arr_size ) { for ( int i = 0 ; i < arr_size ; i ++ ) { int count = 0 ; for ( int j = 0 ; j < arr_size ; j ++ ) { if ( arr [ i ] == arr [ j ] ) count ++ ; } if ( count % 2 != 0 ) return arr [ i ] ; } return -1 ; } int main ( ) { int arr [ ] = { 2 , 3 , 5 , 4 , 5 , 2 , 4 , 3 , 5 , 2 , 4 , 4 , 2 } ; int n = sizeof ( arr ) / sizeof ( arr [ 0 ] ) ; cout << getOddOccurrence ( arr , n ) ; return 0 ; }