1998 IMO Shortlist Problems/C1: Difference between revisions
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..." |
mNo edit summary |
||
| (2 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
==Problem== | |||
An <math>m \times n</math> array of real numbers has the sum of each row and column integral. Show that each non-integral element <math>x</math> can be changed to either <math>\left\lfloor x \right\rfloor</math> or <math>\left\lfloor x \right\rfloor + 1</math> so that the row and column sums are unchanged. | |||
==Solution== | |||
Coming soon... | |||
Latest revision as of 21:30, 30 December 2021
Problem
An
array of real numbers has the sum of each row and column integral. Show that each non-integral element
can be changed to either
or
so that the row and column sums are unchanged.
Solution
Coming soon...