Cod sursa(job #2552875)

Utilizator denmirceaBrasoveanu Mircea denmircea Data 21 februarie 2020 12:00:07
Problema Secventa Scor 30
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.59 kb
#include <fstream>
#define dim 500005
using namespace std;
ifstream fin("secventa.in");
ofstream fout("secventa.out");
int n,k,i,st,dr,poz,nrel;
int minn=-32000,x;
pair<int,int> d[dim];
int main()
{
fin>>n>>k;
st=1;
for(i=1;i<k;i++){
fin>>x;
while(d[dr].second>=x&&dr>=st)
dr--;
d[++dr]={i,x};
}
for(i=k; i<=n; i++)
{
fin>>x;
if(x<minn){
    st=1;
    dr=0;
    nrel=0;
}
if(i-d[st].first>=k)
st++;
while(d[dr].second>=x&&dr>=st)
    dr--;
d[++dr]={i,x};
nrel++;
if(nrel>=k&&d[st].second>minn)
{minn=d[st].second;poz=i-k+1;}}
fout<<poz<<" "<<poz+k-1<<" "<<minn;
}