I want to know you guys sixth sense when approaching a problem and the problem is asking :\nWhat is the min or max of X ? \nI have seen problems that are approchable by PQ , DP or BS.\nMy feeling is that I find a recusive pattern I put my mind in DP mode, or if the problem says find K of Y I switch to PQ .\nWhat you thing?

I want to know you guys sixth sense when approaching a problem and the problem is asking :\nWhat is the min or max of X ? \nI have seen problems that are approc