Cod sursa(job #1336246)

Utilizator badea_adi1999Badea Adrian Catalin badea_adi1999 Data 7 februarie 2015 12:21:11
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.78 kb
#include <cstdio>
#include <fstream>
#include <deque>
#define nmax 500005
using namespace std;
ifstream f("secventa.in");
ofstream g("secventa.out");
int n,k,p,u,maxim=-nmax;
int v[nmax];
deque <int> a;

void inser(int i)
{
    while (!a.empty()&&v[i]<v[a.back()]) {
                a.pop_back();
    }
    a.push_back(i);
}
void ver()
{
    if (v[a.front()]>maxim) {
            p=a.front();
            u=a.front()+k-1;
            maxim=v[a.front()];
    }

}

int main()
{
    int i,j;
    f>>n>>k;
    for (i=1;i<=n;i++) f>>v[i];
    for (i=1;i<=k;i++) inser(i);

    ver();
    for (i=k+1;i<=n;i++) {
            if (i-a.front()>=k) a.pop_front();
            inser(i);
            ver();
    }
    g<<p<<' '<<u<<' '<<maxim<<'\n';
    return 0;
}