CodeForces-835B |The number on the board| 黑板上的数字
CodeForces-835B |The number on the board|
CF_835B 黑板上的数字
Some natural number was written on the board. Its sum of digits was not less than k. But you were distracted a bit, and someone changed this n...
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2019-11-18 16:15:46 ·
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