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- Deletion+and+DifferenceYou're+given+an+array+AA+of+length+NN.+You+can+perform+the+following+operation+on+it:Choose+two+indices+ii+and+jj+(1≤i<j≤∣A∣1≤i<j≤∣A∣)+such+that+Ai=AjA+i+=A+j+.Delete+both+AiA+i++and+AjA+j++from+AA,+and+append+∣Ai−Aj∣∣A+i+−A+j+∣+to+AA.The+length+of+the+array+reduces+by+11,+and+all+remaining+elements+are+re-indexed+to+start+from+11.Find+the+minimum+possible+length+of+AA+after+performing+this+operation+several+(possibly,+zero)+times.