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Best possible solution can be found from (min,min-1,min-2). I think we don't need to check for (min-3) and (min-4). I have submitted by calculating optimal from (min,min-1,min-2). Can you provide an example where min-3 or min-4 is more optimal ?
My code :
#include<bits/stdc++.h>usingnamespacestd;intmain(){intt,n;cin>>t;while(t--){cin>>n;intarr[n],i,op1=0,op2=0,op3=0,mn=10000,left;for(i=0;i<n;i++){cin>>arr[i];if(mn>arr[i])mn=arr[i];}for(i=0;i<n;i++){left=arr[i]-mn;// for (min)op1+=left/5;left%=5;op1+=left/2;left%=2;op1+=left/1;left=arr[i]-(mn-1);// for (min-1)op2+=left/5;left%=5;op2+=left/2;left%=2;op2+=left/1;left=arr[i]-(mn-2);// for (min-2)op3+=left/5;left%=5;op3+=left/2;left%=2;op3+=left/1;}op1=min(op1,op2);// optimal from min-1 and min-2cout<<min(op1,op3)<<endl;// Most Optimal}}
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Best possible solution can be found from (min,min-1,min-2). I think we don't need to check for (min-3) and (min-4). I have submitted by calculating optimal from (min,min-1,min-2). Can you provide an example where min-3 or min-4 is more optimal ?
My code :