I always has difficulty in solving constructive problems.I usually think hard but I can't solve them.So how to solve them easily?Thanks a lot for your help.
I always has difficulty in solving constructive problems.I usually think hard but I can't solve them.So how to solve them easily?Thanks a lot for your help.
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Practice...
Participate in contests, most of the div.2 have constructive problems.
slight correction : most of the div2 have only constructive problems
Just solve as many problems as u can , one day will come when u can build the logic for every constructive problems .