Number of Senior Citizens Problem

Number of Senior Citizens Problem — ExecCode Easy DSA Practice

Solve the Number of Senior Citizens problem on ExecCode. Free online easy DSA practice in Arrays - Logic Building. Write and run code in Java, C++, Python — no signup required to run.

Description You are given a 0-indexed array of strings details. Each element of details provides information about a given passenger compressed into a string of length 15. The system is such that: The first ten characters consist of the phone number of passengers. The next chara…

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