Function to print repeating
void printRepeating ( int arr [ ] , int size ) { int i ; printf ( " The repeating elements are " for ( i = 0 ; i < size ; i ++ ) { if ( arr [ abs ( arr [ i ] ) ] > 0 ) arr [ abs ( arr [ i ] ) ] = - arr [ abs ( arr [ i ] ) ] ; else printf ( " ▁ % d ▁ " , abs ( arr [ i ] ) ) ; } }