Cod sursa(job #828756)

Utilizator vlad.doruIon Vlad-Doru vlad.doru Data 4 decembrie 2012 13:04:02
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.73 kb
#include <fstream>
 
using namespace std;
 
ifstream in("secventa.in");
ofstream out("secventa.out");
 
int n,k,i,dq[1<<19],v[1<<19],st=1,dr=0,s,d;
long long maxx=-1<<15;\ 
 
inline void stanga(int i){
    if(i-k==dq[st]){
        ++st;
    }
}
 
void dreapta (int i){
    while(st<=dr&&v[dq[dr]]>=v[i]){
        --dr;
    }
    dq[++dr]=i;
}
 
int main(){
    in>>n>>k;
    st=1; dr=0;
    for(i=1;i<=n;i++){
        in>>v[i];
    }
    for(i=1;i<k;i++){
        dreapta (i);
    }
    for(i=k;i<=n;i++){
        stanga(i);
        dreapta(i);
        if(v[dq[st]]>maxx){
            maxx=v[dq[st]];
            d=i;
            s=i-k+1;
        }
    }
    out<<s<<" "<<d<<" "<<maxx;
    return 0;
}