Cod sursa(job #2552807)

Utilizator denmirceaBrasoveanu Mircea denmircea Data 21 februarie 2020 11:16:11
Problema Secventa Scor 60
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.78 kb
#include <fstream>
#define dim 500005
using namespace std;
ifstream fin("secventa.in");
ofstream fout("secventa.out");
int n,k,i,st,dr,poz;
short v[dim],minn=-32000;
int d[dim];
int main()
{
    fin>>n>>k;
    st=1;
    dr=0;
    for(i=1;i<=k;i++){
        fin>>v[i];
        if(i-d[st]>=k)
            st++;
        while(dr>=st&&v[d[dr]]>=v[i])
            dr--;
        d[++dr]=i;
    }
    for(i=k+1; i<=n; i++)
    {
        fin>>v[i];
        if(i-d[st]>=k)
            st++;
        while(dr>=st&&v[d[dr]]>=v[i])
            dr--;
        d[++dr]=i;
        if(i>=k)
        {
            if(v[d[st]]>minn)
            {
                minn=v[d[st]];
                poz=i-k+1;
            }
        }
    }
    fout<<poz<<" "<<poz+k-1<<" "<<minn;
}