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732B The Best Friend Of a Man codeforces solution in cpp

 

732B The Best Friend Of a Man codeforces solution in cpp

by ujjal roy



#include<bits/stdc++.h>

using namespace std;

main()

{


    int n,k,i,j,sum1=0,sum2=0,r;

    cin>>n>>k;

    int a[n];

    vector<int> b;

    for(i=0;i<n;i++)

    {

        cin>>a[i];

        sum1+=a[i];


    }

  b.push_back(a[0]);

    sum2=b[0];

      for(i=1;i<n;i++)

    {

        r=k-b[i-1];

        if(r>=a[i])

        {

            b.push_back(r);

        }

        else

        {

                b.push_back(a[i]);

        }

        sum2+=b[i];

    }


    int sum=sum2-sum1;

    cout<<sum<<endl;

    for(i=0;i<b.size();i++)

    {

        cout<<b[i]<<" ";

    }

    cout<<endl;



    return 0;

}


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