For example, Div. 4 and Div. 3 can merge into Div. 7, all problems are *800.↵
↵
Div. 2 should be harder, for example, A is *2800, and B is *3500.↵
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Div. 1 must be full of *3400 and *3500.↵
↵
↵
Also, the rating range will be:↵
↵
Div. 7: $\le 2600$.↵
↵
Div. 2: $2400 \sim 3200$.↵
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Div. 1: $\ge 3000$.
↵
Div. 2 should be harder, for example, A is *2800, and B is *3500.↵
↵
Div. 1 must be full of *3400 and *3500.↵
↵
↵
Also, the rating range will be:↵
↵
Div. 7: $\le 2600$.↵
↵
Div. 2: $2400 \sim 3200$.↵
↵
Div. 1: $\ge 3000$.
