Problem Description
As I am fond of making easier problems, I discovered a problem. Actually, the problem is 'how can you make n by adding k non-negative integers?' I think a small example will make things clear. Suppose n=4 and k=3. There are 15 solutions. They areAs I am fond of maki
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Problem Makes Problem（LightOJ-1102）_Alex_McAvoy的博客
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