FastPrepKth Smallest Sum from Sorted Matrix Rows
Problem · Array

Kth Smallest Sum from Sorted Matrix Rows

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Problem statement

Given an integer matrix mat whose rows are sorted in nondecreasing order, choose exactly one value from each row and add the chosen values.

The problem statement continues
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Examples

Example 1

mat = [[1,3,11],[2,4,6]]k = 5return = 7

The ordered sums begin 3, 5, 5, 7, 7, so the fifth sum is 7.

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FastPrep Pro
Reported in 1 Amazon 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
  • 2 more worked examples, explained
  • Guided hints and editorial
  • Run your code on real test cases
$8.25/month

$99 billed yearly — or $19 month-to-month. Cancel anytime.

Free plan — 2 of 2 free unlocks used this week