I am trying to solve this problem: http://mirror.codeforces.com/contest/545/problem/E My source is that: http://pastebin.com/Jyjb6sjx
I take memory limit in testcase 6. Can you help me? Thank you !
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I you visited a node already , why you process the node again ? just add if(visited[node]==true) continue ; in 85 number lines . Thanks.
thanks
but now with that code: http://pastebin.com/qvaz03sQ
I take TLE in testcase 12. Is my logic wrong? Or I can optimize it a bit?
find a node which has lower cost to invent and process it . If cost is tie of two nodes , than consider the node which edge cost is lower to reach the node . My solution http://mirror.codeforces.com/contest/545/submission/11163248
Thank you a lot man. I solved it. You really helped me.
(Erase was so slow,so I did the sorting as you recommended).
Welcome !