• 正序和不小于乱序和,乱序和不小于逆序和 • 证明可以用调整法 sigma a[i]*b[i](a[i]>a[i-1],b[i]>b[i-1]) >= sigma a[i]*b[i](a[i]<a[i-1],b[i]>b[i-1]) 相关文章: 2022-02-11 2021-06-14 2021-05-29 2022-01-23 2022-12-23 2021-06-15 2022-01-02