I am quite certian I have seen this problem called simply "subset-sums equality" before, so I have just appended "(pigeonhole version)" to the title. I hope that this is increasing the clarity.
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CSI of Charles University
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I am quite certian I have seen this problem called simply "subset-sums equality" before, so I have just appended "(pigeonhole version)" to the title. I hope that this is increasing the clarity.