\(\max(\min\{v\},\min\{r\})\)太难看了！！！运用经典trick:\(\max(a,b)=a+b-\min(a,b)\)，可得:\[\max(\min\{v\},\min\{r\})=\min\{v\}+\min\{r\}-\min(\min\{v\},\min\{r\})\]我们设\(a_i=\min(v_i,r_i)\)，式子变成\(\min\{v\}+\min\{r\}