Euler problems/81 to 90
Problem 81
Find the minimal path sum from the top left to the bottom right by moving right and down.
Solution:
problem_81 = undefined
Problem 82
Find the minimal path sum from the left column to the right column.
Solution:
problem_82 = undefined
Problem 83
Find the minimal path sum from the top left to the bottom right by moving left, right, up, and down.
Solution:
problem_83 = undefined
Problem 84
In the game, Monopoly, find the three most popular squares when using two 4-sided dice.
Solution:
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Problem 85
Investigating the number of rectangles in a rectangular grid.
Solution:
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Problem 86
Exploring the shortest path from one corner of a cuboid to another.
Solution:
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Problem 87
Investigating numbers that can be expressed as the sum of a prime square, cube, and fourth power?
Solution:
problem_87 = undefined
Problem 88
Exploring minimal product-sum numbers for sets of different sizes.
Solution:
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Problem 89
Develop a method to express Roman numerals in minimal form.
Solution:
problem_89 = undefined
Problem 90
An unexpected way of using two cubes to make a square.
Solution:
problem_90 = undefined