text: // 787. Cheapest Flights Within K Stops
  
  const data = [
    {
      input: [3, [[0, 1, 100], [1, 2, 100], [0, 2, 500]], 0, 2, 1],
      ans: 200
  
    },
    {
      input: [3, [[0, 1, 100], [1, 2, 100], [0, 2, 500]], 0, 2, 0],
      ans: 500
    },
    {
      input: [5, [[4, 1, 1], [1, 2, 3], [0, 3, 2], [0, 4, 10], [3, 1, 1], [1, 4, 3]],
        2, 1, 1],
      ans: -1
    },
    {
      input: [2, [[0, 1, 2]],
        1, 0, 0],
      ans: -1
    }
  ]
  
  module.exports = {
    data,
    checker: require('../checkers.js').normalChecker
  }
  