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publicstaticintlonelyinteger(List<Integer>a){// Write your code hereCollections.sort(a);System.out.println(a);if(a.size()==1){returna.get(0);}for(inti=0;i<a.size();i++){if(i%2==0&&i<(a.size()-2)){if(a.get(i)==a.get(i+1)){i++;}else{returna.get(i);}}}returna.get(a.size()-1);}
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Lonely Integer
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