Cod sursa(job #2036778)

Utilizator stefdascalescuStefan Dascalescu stefdascalescu Data 11 octombrie 2017 09:02:23
Problema Progresii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.12 kb
#include<bits/stdc++.h>
using namespace std;
ifstream f("progresii.in");
ofstream g("progresii.out");
long long k,l;
int n,m;
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)
    {
        int b=1;
        int e=m;
        bool ok=0;
        while(b<e)
        {
            int 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;
                else
                    e=mj;
        }
        if(k-((l-v[i])/b+1)>=srm[i+1])
            sol[i]=b,k=k-((l-v[i])/b+1),ok=1;
        if(ok==0){
            g<<-1;
            return 0;
        }
    }
    for(int i=1;i<=n;++i)
        g<<sol[i]<<'\n';
    return 0;
}