function dumbRockPaperScissors(player1, player2) {
  function checkForWinner(incoming) {
    const winnerLookup = {
      'Draw': [
        'RockRock',
        'PaperPaper',
        'ScissorsScissors',
      ],
      'Player 1 wins': [
        'RockScissors',
        'ScissorsPaper',
        'PaperRock',
      ],
      'Player 2 wins': [
        'ScissorsRock',
        'PaperScissors',
        'RockPaper',
      ],
    }
    const results = Object.keys(winnerLookup)
    
    for(let i = 0; i < results.length; i++) {
      const winningConditions = winnerLookup[results[i]];
      for(let j = 0; j < winningConditions.length; j++){
        const condition = winningConditions[j];
        for(let k = 0; k < condition.length; k++){
          if (condition[k] === fight[k]) {
            if (k === condition.length - 1) {
              return results[i];
            }
            continue;
          }
          break;
        }        
      }
    }
  }
  const fight = [];
  for (let i = 0; i < player1.length; i++) {
    fight.push(player1[i]);
    const winner = checkForWinner(fight);
    if (winner) {
      return winner;
    }
  }
  
  for (let i = 0; i < player2.length; i++) {
    fight.push(player2[i]);
    const winner = checkForWinner(fight);
    if (winner) {
      return winner;
    }
  }
  
}

const firstNonRepeatingCharacter = (str) => {
    const lookup = {};
    let potentialWinners = [];
    for(let i = 0; i < str.length; i++) {
        const c = str[i];
      if(lookup[c] && lookup[c] == 1){
        potentialWinners = potentialWinners.filter(pw => pw !== c);
        lookup[c] = 2;
        continue;
      }
      lookup[c] = 1;
      potentialWinners.push(c);
    }
    return potentialWinners.length == 0 ? null : potentialWinners[0]; // return null if no unique character is found
};