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90 lines
13 KiB
JSON
90 lines
13 KiB
JSON
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"questionId": "3828",
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"questionFrontendId": "3482",
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"categoryTitle": "Database",
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"boundTopicId": 3605805,
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"title": "Analyze Organization Hierarchy",
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"titleSlug": "analyze-organization-hierarchy",
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"content": "<p>Table: <code>Employees</code></p>\n\n<pre>\n+----------------+---------+\n| Column Name | Type | \n+----------------+---------+\n| employee_id | int |\n| employee_name | varchar |\n| manager_id | int |\n| salary | int |\n| department | varchar |\n+----------------+----------+\nemployee_id is the unique key for this table.\nEach row contains information about an employee, including their ID, name, their manager's ID, salary, and department.\nmanager_id is null for the top-level manager (CEO).\n</pre>\n\n<p>Write a solution to analyze the organizational hierarchy and answer the following:</p>\n\n<ol>\n\t<li><strong>Hierarchy Levels:</strong> For each employee, determine their level in the organization (CEO is level <code>1</code>, employees reporting directly to the CEO are level <code>2</code>, and so on).</li>\n\t<li><strong>Team Size:</strong> For each employee who is a manager, count the total number of employees under them (direct and indirect reports).</li>\n\t<li><strong>Salary Budget:</strong> For each manager, calculate the total salary budget they control (sum of salaries of all employees under them, including indirect reports, plus their own salary).</li>\n</ol>\n\n<p>Return <em>the result table ordered by <em>the result ordered by <strong>level</strong> in <strong>ascending</strong> order, then by <strong>budget</strong> in <strong>descending</strong> order, and finally by <strong>employee_name</strong> in <strong>ascending</strong> order</em>.</em></p>\n\n<p><em>The result format is in the following example.</em></p>\n\n<p> </p>\n<p><strong class=\"example\">Example:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong></p>\n\n<p>Employees table:</p>\n\n<pre class=\"example-io\">\n+-------------+---------------+------------+--------+-------------+\n| employee_id | employee_name | manager_id | salary | department |\n+-------------+---------------+------------+--------+-------------+\n| 1 | Alice | null | 12000 | Executive |\n| 2 | Bob | 1 | 10000 | Sales |\n| 3 | Charlie | 1 | 10000 | Engineering |\n| 4 | David | 2 | 7500 | Sales |\n| 5 | Eva | 2 | 7500 | Sales |\n| 6 | Frank | 3 | 9000 | Engineering |\n| 7 | Grace | 3 | 8500 | Engineering |\n| 8 | Hank | 4 | 6000 | Sales |\n| 9 | Ivy | 6 | 7000 | Engineering |\n| 10 | Judy | 6 | 7000 | Engineering |\n+-------------+---------------+------------+--------+-------------+\n</pre>\n\n<p><strong>Output:</strong></p>\n\n<pre class=\"example-io\">\n+-------------+---------------+-------+-----------+--------+\n| employee_id | employee_name | level | team_size | budget |\n+-------------+---------------+-------+-----------+--------+\n| 1 | Alice | 1 | 9 | 84500 |\n| 3 | Charlie | 2 | 4 | 41500 |\n| 2 | Bob | 2 | 3 | 31000 |\n| 6 | Frank | 3 | 2 | 23000 |\n| 4 | David | 3 | 1 | 13500 |\n| 7 | Grace | 3 | 0 | 8500 |\n| 5 | Eva | 3 | 0 | 7500 |\n| 9 | Ivy | 4 | 0 | 7000 |\n| 10 | Judy | 4 | 0 | 7000 |\n| 8 | Hank | 4 | 0 | 6000 |\n+-------------+---------------+-------+-----------+--------+\n</pre>\n\n<p><strong>Explanation:</strong></p>\n\n<ul>\n\t<li><strong>Organization Structure:</strong>\n\n\t<ul>\n\t\t<li>Alice (ID: 1) is the CEO (level 1) with no manager</li>\n\t\t<li>Bob (ID: 2) and Charlie (ID: 3) report directly to Alice (level 2)</li>\n\t\t<li>David (ID: 4), Eva (ID: 5) report to Bob, while Frank (ID: 6) and Grace (ID: 7) report to Charlie (level 3)</li>\n\t\t<li>Hank (ID: 8) reports to David, and Ivy (ID: 9) and Judy (ID: 10) report to Frank (level 4)</li>\n\t</ul>\n\t</li>\n\t<li><strong>Level Calculation:</strong>\n\t<ul>\n\t\t<li>The CEO (Alice) is at level 1</li>\n\t\t<li>Each subsequent level of management adds 1 to the level</li>\n\t</ul>\n\t</li>\n\t<li><strong>Team Size Calculation:</strong>\n\t<ul>\n\t\t<li>Alice has 9 employees under her (the entire company except herself)</li>\n\t\t<li>Bob has 3 employees (David, Eva, and Hank)</li>\n\t\t<li>Charlie has 4 employees (Frank, Grace, Ivy, and Judy)</li>\n\t\t<li>David has 1 employee (Hank)</li>\n\t\t<li>Frank has 2 employees (Ivy and Judy)</li>\n\t\t<li>Eva, Grace, Hank, Ivy, and Judy have no direct reports (team_size = 0)</li>\n\t</ul>\n\t</li>\n\t<li><strong>Budget Calculation:</strong>\n\t<ul>\n\t\t<li>Alice's budget: Her salary (12000) + all employees' salaries (72500) = 84500</li>\n\t\t<li>Charlie's budget: His salary (10000) + Frank's budget (23000) + Grace's salary (8500) = 41500</li>\n\t\t<li>Bob's budget: His salary (10000) + David's budget (13500) + Eva's salary (7500) = 31000</li>\n\t\t<li>Frank's budget: His salary (9000) + Ivy's salary (7000) + Judy's salary (7000) = 23000</li>\n\t\t<li>David's budget: His salary (7500) + Hank's salary (6000) = 13500</li>\n\t\t<li>Employees with no direct reports have budgets equal to their own salary</li>\n\t</ul>\n\t</li>\n</ul>\n\n<p><strong>Note:</strong></p>\n\n<ul>\n\t<li>The result is ordered first by level in ascending order</li>\n\t<li>Within the same level, employees are ordered by budget in descending order then by name in ascending order</li>\n</ul>\n</div>\n",
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"code": "import pandas as pd\n\ndef analyze_organization_hierarchy(employees: pd.DataFrame) -> pd.DataFrame:\n ",
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"sampleTestCase": "{\"headers\":{\"Employees\":[\"employee_id\",\"employee_name\",\"manager_id\",\"salary\",\"department\"]},\"rows\":{\"Employees\":[[1,\"Alice\",null,12000,\"Executive\"],[2,\"Bob\",1,10000,\"Sales\"],[3,\"Charlie\",1,10000,\"Engineering\"],[4,\"David\",2,7500,\"Sales\"],[5,\"Eva\",2,7500,\"Sales\"],[6,\"Frank\",3,9000,\"Engineering\"],[7,\"Grace\",3,8500,\"Engineering\"],[8,\"Hank\",4,6000,\"Sales\"],[9,\"Ivy\",6,7000,\"Engineering\"],[10,\"Judy\",6,7000,\"Engineering\"]]}}",
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"CREATE TABLE if not exists Employees (\n employee_id INT,\n employee_name VARCHAR(100),\n manager_id INT,\n salary INT,\n department VARCHAR(50)\n)",
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"Truncate table Employees",
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"insert into Employees (employee_id, employee_name, manager_id, salary, department) values ('1', 'Alice', NULL, '12000', 'Executive')",
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"insert into Employees (employee_id, employee_name, manager_id, salary, department) values ('2', 'Bob', '1', '10000', 'Sales')",
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"insert into Employees (employee_id, employee_name, manager_id, salary, department) values ('3', 'Charlie', '1', '10000', 'Engineering')",
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"insert into Employees (employee_id, employee_name, manager_id, salary, department) values ('4', 'David', '2', '7500', 'Sales')",
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"insert into Employees (employee_id, employee_name, manager_id, salary, department) values ('5', 'Eva', '2', '7500', 'Sales')",
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"insert into Employees (employee_id, employee_name, manager_id, salary, department) values ('6', 'Frank', '3', '9000', 'Engineering')",
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"insert into Employees (employee_id, employee_name, manager_id, salary, department) values ('7', 'Grace', '3', '8500', 'Engineering')",
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"insert into Employees (employee_id, employee_name, manager_id, salary, department) values ('8', 'Hank', '4', '6000', 'Sales')",
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"insert into Employees (employee_id, employee_name, manager_id, salary, department) values ('9', 'Ivy', '6', '7000', 'Engineering')",
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"insert into Employees (employee_id, employee_name, manager_id, salary, department) values ('10', 'Judy', '6', '7000', 'Engineering')"
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