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вернуться в форум[Hint] Very easy problem Check all 2x2 squares A[i][j] A[i][j+1] A[i+1][j] A[i+1][j+1] Make sure you always can cover this square at least one of the methods x x y y or x y x y Edited by author 10.12.2019 14:13 Edited by author 10.12.2019 14:15 |
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