Problems

1 – 20 of 20

Problem Title Likes Solvers Difficulty

Problem 45394. Count the number of folds needed to pack a large sheet

Created by: Karl Ezra Pilario

Tags max, min, loops

108

Problem 45498. Trace the path of a harmful chemical in an ecological network

Created by: Karl Ezra Pilario

Tags cycle, permutation, chemical engineering

Problem 45464. Design a minimum-cost cable network for a power grid

Created by: Karl Ezra Pilario

Tags chemical engineering, power grid, spanning tree

Problem 45391. Calculate the sphericity of a Raschig ring

Created by: Karl Ezra Pilario

Tags easy, geometry, round

Problem 45432. Pitting corrosion on a metal plate: Find the largest pit

Created by: Karl Ezra Pilario

Tags dfs, chemical engineering, flood fill

Problem 45395. Create a matrix map of increasing safety levels

Created by: Karl Ezra Pilario

Tags matrix, loops, chemical engineering

Problem 45397. Assess the scatter of wind turbines in a field

Created by: Karl Ezra Pilario

Tags vectors, grid, chemical engineering

Problem 45462. Propagate the effects of a blockage in a chemical plant

Created by: Karl Ezra Pilario

Tags graph, chemical engineering, transitive closure

Problem 45467. Find the fastest reaction chain to reach a target compound

Created by: Karl Ezra Pilario

Tags shortest path, graph, chemical engineering

Problem 45402. Find an overlap in the cleaning schedule of two tank reactors

Created by: Karl Ezra Pilario

Tags matrices, lcm, chemical engineering

Problem 45396. Design a tubesheet for shell-and-tube heat exchangers

Created by: Karl Ezra Pilario

Tags circle, chemical engineering

Problem 45509. List the households affected by leaks in water distribution

Created by: Karl Ezra Pilario

Tags tree, chemical engineering, traversal

Problem 45431. Pitting corrosion on a metal plate: Count the number of pits

Created by: Karl Ezra Pilario

Tags graph, dfs, chemical engineering

Problem 45470. Count the number of reaction chains achievable in T mins

Created by: Karl Ezra Pilario

Tags dfs, chemical engineering, counting paths

Problem 45500. Maximize the production in a plant within equipment capacity

Created by: Karl Ezra Pilario

Tags chemical engineering, max flow, digraph

Problem 45503. Place wastewater treatment processes in the correct order

Created by: Karl Ezra Pilario

Tags graph, chemical engineering, toposort

Problem 45415. Find an optimal placement of coolers on a grid

Created by: Karl Ezra Pilario

Tags path, dynamic programming, chemical engineering

1 – 20 of 20

Trial software

Difficulty Rating

Problem Groups

Problems

Problem 45394. Count the number of folds needed to pack a large sheet

Problem 45413. Characterize fluid flow in a pipe as to laminar or turbulent

Problem 45411. Compute the missing quantity among P, V, T for an ideal gas

Problem 45392. Convert a temperature reading from Celsius to an unknown scale

Problem 45498. Trace the path of a harmful chemical in an ecological network

Problem 45464. Design a minimum-cost cable network for a power grid

Problem 45391. Calculate the sphericity of a Raschig ring

Problem 45432. Pitting corrosion on a metal plate: Find the largest pit

Problem 45395. Create a matrix map of increasing safety levels

Problem 45397. Assess the scatter of wind turbines in a field

Problem 45462. Propagate the effects of a blockage in a chemical plant

Problem 45467. Find the fastest reaction chain to reach a target compound

Problem 45402. Find an overlap in the cleaning schedule of two tank reactors

Problem 45396. Design a tubesheet for shell-and-tube heat exchangers

Problem 45509. List the households affected by leaks in water distribution

Problem 45431. Pitting corrosion on a metal plate: Count the number of pits

Problem 45470. Count the number of reaction chains achievable in T mins

Problem 45500. Maximize the production in a plant within equipment capacity

Problem 45503. Place wastewater treatment processes in the correct order

Problem 45415. Find an optimal placement of coolers on a grid