Bloomberg Software Developer Internship interview questions

Started off with simple O(1) questions finding distance between two points and additional conditions were later added making it a standard leetcode backtracking problem, similar to Word Search. You were given a 2D list where you were at a position denoted on the graph as 'c' and you needed to get to the position 'o' but you had a specific amount of fuel so you needed to determine whether you could get to o