Art of Problem Solving

1998 IMO Shortlist Problems/C1: Revision history

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30 December 2021

15 May 2021

  • curprev 00:0500:05, 15 May 2021 Sumitrajput0271 talk contribs 195 bytes +195 Created page with " An m x n array of real numbers has the sum of each row and column integral. Show that each non-integral element x can be changed to [x] or [x] + 1, so that the row and column..."