Cod sursa(job #724282)

Utilizator mirceadinoMircea Popoveniuc mirceadino Data 26 martie 2012 13:12:31
Problema Secventa Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.89 kb
#include<cstdio>
#include<utility>
#include<deque>
#include<fstream>
using namespace std;
deque< pair<int,int> > a;
int i,n,x,k,imax,jmax,bazmax=-30001;
int main()
{
    ifstream fin("secventa.in");
    ofstream fout("secventa.out");
    //freopen("secventa.in","r",stdin);
    //freopen("secventa.out","w",stdout);
    fin>>n>>k;
    //scanf("%d%d",&n,&k);
    for(i=1;i<=n;i++)
    {
        fin>>x;
        //scanf("%d",&x);
        if(a.empty()) {a.push_back(make_pair(x,i)); continue;}
        while((!a.empty())&&(a.back().first>x)) a.pop_back();
        a.push_back(make_pair(x,i));
        while(a.front().second<i-k+1) a.pop_front();
        if(i>=k) if(a.front().first>bazmax) {bazmax=a.front().first; jmax=i;}
    }
    imax=jmax-k+1;
    fout<<imax<<" "<<jmax<<" "<<bazmax;
    //printf("%d %d %d",imax,jmax,bazmax);
    fin.close();
    fout.close();
    return 0;
}