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// Given a list postal codes, find the FSA (Forward Sortation Code) code that occurs most frequently. // input: // ["M5V 1W5", "L7Q 1T3", "L7M 1W1", "M5V 6X1", "M5V 2X1", "L7M 1W6"] // Output: // "M5V" Second Revision: They told me to support the US portal code. // Given a list postal codes, find the FSA (Forward Sortation Code) code that occurs most frequently. // input: // ["M5V 1W5", "L7Q 1T3", "L7M 1W1", "M5V 6X1", "M5V 2X1", "L7M 1W6", "42015", "11005", "41450", "11026"] // Output: // "M5V" Third Revision: They told me to return multiple values. If multiple values have the same occurrence. // Given a list postal codes, find the FSA (Forward Sortation Code) code that occurs most frequently. // input: // ["M5V 1W5", "L7Q 1T3", "L7M 1W1", "M5V 6X1", "M5V 2X1", "L7M 1W6", "42015", "11005", "41450", "11026", "42016", "42017"] // Output: // ["M5V", "420"]
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Fullstack Developer

Interviewed at ODAIA

4★
Feb 23, 2023

// Given a list postal codes, find the FSA (Forward Sortation Code) code that occurs most frequently. // input: // ["M5V 1W5", "L7Q 1T3", "L7M 1W1", "M5V 6X1", "M5V 2X1", "L7M 1W6"] // Output: // "M5V" Second Revision: They told me to support the US portal code. // Given a list postal codes, find the FSA (Forward Sortation Code) code that occurs most frequently. // input: // ["M5V 1W5", "L7Q 1T3", "L7M 1W1", "M5V 6X1", "M5V 2X1", "L7M 1W6", "42015", "11005", "41450", "11026"] // Output: // "M5V" Third Revision: They told me to return multiple values. If multiple values have the same occurrence. // Given a list postal codes, find the FSA (Forward Sortation Code) code that occurs most frequently. // input: // ["M5V 1W5", "L7Q 1T3", "L7M 1W1", "M5V 6X1", "M5V 2X1", "L7M 1W6", "42015", "11005", "41450", "11026", "42016", "42017"] // Output: // ["M5V", "420"]

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