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What is the output of the following code?#include <iostream>int countPairs(int n) { if (n == 0 || n == 1 || n == 2) { return 0; } else { return n - 1 + countPairs(n - 1); }}cout << countPairs(5);a)10b)4c)6d)3Correct answer is option 'A'. Can you explain this answer? for Software Development 2024 is part of Software Development preparation. The Question and answers have been prepared according to the Software Development exam syllabus. Information about What is the output of the following code?#include <iostream>int countPairs(int n) { if (n == 0 || n == 1 || n == 2) { return 0; } else { return n - 1 + countPairs(n - 1); }}cout << countPairs(5);a)10b)4c)6d)3Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Software Development 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the output of the following code?#include <iostream>int countPairs(int n) { if (n == 0 || n == 1 || n == 2) { return 0; } else { return n - 1 + countPairs(n - 1); }}cout << countPairs(5);a)10b)4c)6d)3Correct answer is option 'A'. Can you explain this answer?.

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