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

Created by: Karl Ezra Pilario

Tags circle, 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 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 45396. Design a tubesheet for shell-and-tube heat exchangers

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

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