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  1. Prepare
  2. Algorithms
  3. Implementation
  4. Viral Advertising
  5. Discussions

Viral Advertising

  • goodmove
     + 6 comments

    Here's the most elegant solution, I suppose

    int countLikesOnDay(int day, int received) {
    if (day == 0) return 0;
    return (received / 2) + 
        countLikesOnDay(--day, (received / 2) * 3);
}

// ...
// somewhere in main()
countLikesOnDay(day, 5);