Problem · Array

Longest Subarray with Sum at Most K

HardGoogle logoGoogleINTERNOA
See Google hiring insights

Problem statement

Given an integer array nums and an integer k, return the maximum length of a non-empty contiguous subarray whose sum is at most k.

The array may contain positive, zero, and negative values, so a standard positive-only sliding window is not sufficient.

The problem statement continues
Pro

Examples

Example 1

nums = [1,2,-1,2]k = 3return = 3

The subarray [1, 2, -1] has sum 2 and length 3. The full array has sum 4.

FastPrep Pro
Reported in 1 Google interview this week

Unlock this recently reported problem

FastPrep Pro gives you full access to interview problems reported within the last week.

  • Full problem statement and constraints
  • 1 more worked example, explained
  • Guided hints and editorial
  • Run your code on real test cases
$9/month

Pro subscription, billed yearly — or $19 month-to-month. Cancel anytime.

Free plan — 2 of 2 free unlocks used this week
CodePython 3
Run and Submit unlock with Pro
FastPrep Pro
Reported in 1 Google interview this week

Unlock this recently reported problem

FastPrep Pro gives you full access to interview problems reported within the last week.

  • Full problem statement and constraints
  • 1 more worked example, explained
  • Guided hints and editorial
  • Run your code on real test cases
$9/month

Pro subscription, billed yearly — or $19 month-to-month. Cancel anytime.

Free plan — 2 of 2 free unlocks used this week