Please tell about this vector problem

#1
#2

Hey @aryangrover There is an issue with the way you are declaring your vector and using it later.
Check out this https://www.quora.com/What-is-the-difference-between-vector-int-v-N-and-vector-int-v-N
for more understanding on this.
If you still have any further doubts please feel free to ask

#3


Sir Why it is now showing an error?

#4

Hey @aryangrover see the line 45 of your code, sort(v3.begin(),v.end()+1), because of this your code is throwing segmentation fault. You need to either make it sort(v3.begin(),v3.end()) or sort(v.begin(),v.end()) as per your logic.

#5

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