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Task Description

Merge Sorted Ranges

Given a list of numeric ranges, merge all overlapping ranges and return them sorted by start value.

32:14 remaining

Code Editor

function mergeRanges(ranges) {
  const sorted = [...ranges].sort(
    (a, b) => a[0] - b[0]
  );

  return sorted.reduce((merged, [s, e]) => {
    const last = merged[merged.length - 1];
    if (last && s <= last[1]) {
      last[1] = Math.max(last[1], e);
    } else {
      merged.push([s, e]);
    }
    return merged;
  }, []);
}

Test Results

handles no overlaps
merges adjacent ranges
merges nested ranges
handles empty input

Skills Intelligence

Know what your engineering team can actually do.

The same scoring we use to evaluate candidates can map your existing team. Where are the capability gaps? Who's ready for the next challenge? How is a skill profile changing as your stack evolves?

It's not a separate tool bolted on afterward — it's Screen and Interview's methodology, applied continuously, so capability stays visible even between hiring cycles.

Jordan Lee

Backend Engineer II · Platform Team

Moderate fit · 74%

74%

Role fit

Skill gaps

Assessments

18d ago

Last assessed

Strengths

Data Structures+12 vs role
JavaScript+6 vs role

Gaps

System Design-17 vs role
API Design-11 vs role

Skills proficiency vs. role benchmark

CurrentRole benchmark

Data Structures92/ 80 required
System Design58/ 75 required
JavaScript86/ 80 required
API Design64/ 75 required
SQL78/ 70 required

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