Q:

Write a Ruby program to swap the first and last elements of a given array of integers, length will be at least 1

hamza
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2022-05-18
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 Write a Ruby program to swap the first and last elements of a given array of integers, length will be at least 1. Return the modified array.

Programming, Ruby on rails programming,
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hamza
2022-05-18
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def check_array(nums)
    temp = nums[0];
	nums[0] = nums[nums.length-1];
	nums[nums.length-1] = temp;
	return nums;
end
print check_array([1]),"\n"
print check_array([1, 3]),"\n"
print check_array([1, 3, 5]),"\n"
print check_array([11, 3, 5, 21])

Output:

[1]
[3, 1]
[5, 3, 1]
[21, 3, 5, 11]

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