Notice: This page requires JavaScript to function properly.
Please enable JavaScript in your browser settings or update your browser.
Learn Problem C. Minimum Path in Triangle | Problems
Dynamic Programming
course content

Course Content

Dynamic Programming

Dynamic Programming

1. Intro to Dynamic Programming
2. Problems
3. Solutions

book
Problem C. Minimum Path in Triangle

The tasks in this section contain test function calls. Please do not change this code; otherwise, the assignment may not be accepted.

Given a triangle array. The bird starts at the top, and for each step, it can move either left or right down (if it is on the index j at the current row, it can move to j or j+1 position on the next row). Return the minimum path cost among all possible paths from top to bottom.

Example 1

The orange path is minimum and costs 12.

Example 2

Input: triangle = [[1], [2, 1], [8, 3, 7], [5, 2, 6, 1]]

Output: 7

Explanation: The path looks like:

Task

Swipe to start coding

Implement a function minPath() for triangle array.

  1. Find the rule for shortest path in triangle[i][j].
  2. Define the rule for corner cases.

Solution

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 2. ChapterΒ 3
toggle bottom row

book
Problem C. Minimum Path in Triangle

The tasks in this section contain test function calls. Please do not change this code; otherwise, the assignment may not be accepted.

Given a triangle array. The bird starts at the top, and for each step, it can move either left or right down (if it is on the index j at the current row, it can move to j or j+1 position on the next row). Return the minimum path cost among all possible paths from top to bottom.

Example 1

The orange path is minimum and costs 12.

Example 2

Input: triangle = [[1], [2, 1], [8, 3, 7], [5, 2, 6, 1]]

Output: 7

Explanation: The path looks like:

Task

Swipe to start coding

Implement a function minPath() for triangle array.

  1. Find the rule for shortest path in triangle[i][j].
  2. Define the rule for corner cases.

Solution

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 2. ChapterΒ 3
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
We're sorry to hear that something went wrong. What happened?
some-alt