CODE EXAMPLE FOR JAVASCRIPT

almostincreasingsequence js

function almostIncreasingSequence(sequence) {
  let invalidItemsCount = 0;
  
  for (let i = 1; i < sequence.length; i++) {
    if (sequence[i] <= sequence[i-1]) {
      invalidItemsCount++;
      if (invalidItemsCount > 1) return false;
      if (sequence[i] <= sequence[i-2] && sequence[i+1] <= sequence[i-1]) return false;
    }
  }
  
  return true;
}

var test1 = [0,1,2,3,4,7,6,7,8,9,10];
var test2 = [0,1,2,4,3,4,5,7,6,7,8,9,10];

console.log(almostIncreasingSequence(test1));
console.log(almostIncreasingSequence(test2));
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