Giving tle for all test cases

#1

ques:https://hack.codingblocks.com/app/contests/1289/158/problem
code:https://ide.codingblocks.com/s/266354

#2

@bhaskar0_0 time complexity of erase function is O(n) so it is giving you tle

#3

can you give some hint.I tried heap but still it gave tle in one test case

#4

@bhaskar0_0 try to use unordered_set

#5

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