Cod sursa(job #1642599)

Utilizator Vlad_lsc2008Lungu Vlad Vlad_lsc2008 Data 9 martie 2016 15:04:33
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.19 kb
#include <iostream>
#include <cstdio>
#include <vector>
#include <stack>
#include <deque>
using namespace std;

int n,k;
struct elem
{
    int val, poz;
};
deque<elem> dq;

int main()
{
    elem nr;
    int ok;
    int i,j,mini=60000,strt=1,stp=k,strt1;
    freopen("secventa.in","r",stdin);
    freopen("secventa.out","w",stdout);
    scanf("%d%d",&n,&k); stp=k;
    for(i=1;i<=k;i++)
    {
        scanf("%d",&nr.val); nr.poz=i; dq.push_back(nr); if(nr.val<mini) mini=nr.val;
    }
    for(i=k+1;i<=n;i++)
    {
        scanf("%d",&nr.val); nr.poz=i; ok=1;
        if(dq.size())
        while(ok==1)
        {
            if(dq.back().val>nr.val) { strt1=dq.back().poz; dq.pop_back(); }
            else if(i-dq.back().poz>=k) dq.pop_back();
                 else ok=0;
            if(!dq.size()) ok=0;
        }
        dq.push_back(nr);
        if(dq.size()==1) { strt=strt1; stp=i; mini=nr.val;}
        if(i-dq.front().poz>=k)
        {
            dq.pop_front();
            if(dq.front().val>mini) { strt=dq.front().poz; stp=i; mini=dq.front().val; }
        }
    }
    printf("%d %d %d\n",strt,stp,mini);
    fclose(stdin);
    fclose(stdout);
    return 0;
}