Cod sursa(job #2036772)

Utilizator stefdascalescuStefan Dascalescu stefdascalescu Data 11 octombrie 2017 08:58:00
Problema Progresii Scor 40
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.05 kb
#include<bits/stdc++.h>
using namespace std;
ifstream f("progresii.in");
ofstream g("progresii.out");
long long n,m,k,l;
long long v[100002];
long long srm[100002];
int sol[100002];
int main()
{
    f>>n>>m>>k>>l;
    for(int i=1;i<=n;++i)
        f>>v[i];
    for(int i=n;i>=1;--i)
    {
        srm[i]=srm[i+1];
        srm[i]+=((l-v[i])/m+1);
    }
    for(int i=1;i<=n;++i)
    {
        long long b=1;
        long long e=m;
        bool ok=0;
        while(b<=e)
        {
            long long mj=(b+e)/2;
            if(mj==1|| (k-((l-v[i])/mj+1)>=srm[i+1] && k-((l-v[i])/(mj-1)+1)<srm[i+1]))
            {
                ok=1;
                sol[i]=mj;
                k=k-((l-v[i])/mj+1);
                break;
            }
            else
                if(k-((l-v[i])/mj+1)<srm[i+1])
                    b=mj+1;
                else
                    e=mj-1;
        }
        if(ok==0){
            g<<-1;
            return 0;
        }
    }
    for(int i=1;i<=n;++i)
        g<<sol[i]<<'\n';
    return 0;
}