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  1. Prepare
  2. Algorithms
  3. Implementation
  4. Sales by Match
  5. Discussions

Sales by Match

  • yashu895150
     + 0 comments
       public static int sockMerchant(int n, List<Integer> ar) {
    // Write your code here
    int count = 0;
    for(int i=0; i<ar.size(); i++) {
        for(int j=i+1; j<ar.size(); j++) {
            if(ar.get(j)==-1) {
                continue;
            }
            if(ar.get(i)==ar.get(j)) {
                count++;
                ar.set(j,-1);
                break;
            }
        }
    }
    return count;

    }

}