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[Advanced/C++/1049] Question

Open CaiNiaoHui opened this issue 6 years ago • 0 comments

now == 0 : 那么 ans += left * a; now >= 2 : ans += (left + 1) * a; 在n != 1的时候为什么要分开讨论n为0时和大于等于2而且,为什么n>=2时left需要+1呢

CaiNiaoHui avatar May 01 '19 07:05 CaiNiaoHui