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Omni-MATH / Given positive integers a,b, find the least positive integer m such that among any m distinct integers in the interval [−a,b] there are three pair-wise distinct numbers that their …

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problem

Given positive integers a,b,a,b, find the least positive integer mm such that among any mm distinct integers in the interval [−a,b][-a,b] there are three pair-wise distinct numbers that their sum is zero. [i]
Plain-text mathematical notation (without MathML)
Given positive integers a,b, find the least positive integer m such that among any m distinct integers in the interval [−a,b] there are three pair-wise distinct numbers that their sum is zero.
[i]
Original LaTeX notation
Given positive integers $a,b,$ find the least positive integer $m$ such that among any $m$ distinct integers in the interval $[-a,b]$ there are three pair-wise distinct numbers that their sum is zero.
[i]

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