Cod sursa(job #1002279)

Utilizator emiemiEmi Necula emiemi Data 27 septembrie 2013 11:20:15
Problema Secventa Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.1 kb
#include<fstream>
#include<cstdio>
#include<deque>
#define N 500010
#define D 700000
using namespace std;
ofstream g("secventa.out");
int n,k,i,p,u,pz,maxi,a[N];
int poz=D+3; char buf[D];
deque<int> d;
inline int ianr()
{
    unsigned int nr=0;
    while((buf[poz]<'0'||buf[poz]>'9')&&buf[poz]!='-')
    if(++poz>=D)
    fread(buf,D,1,stdin),poz=0;
    int semn=1;
    if(buf[poz]=='-')
    ++poz,semn=-1;
    while('0'<=buf[poz]&&buf[poz]<='9')
    {
        nr=nr*10+buf[poz]-'0';
        if(++poz>=D)
        fread(buf,D,1,stdin),poz=0;
    }
    return nr*semn;
}
int main()
{
    freopen("secventa.in","r",stdin);
    n=ianr();
    k=ianr();
    for(i=1;i<=n;++i)
    a[i]=ianr();
    u=0;
    maxi=-999999999;
    u=0;
    for(i=1;i<=n;++i)
    {
        while(!d.empty()&&a[d.back()]>a[i])
        d.pop_back();
        d.push_back(i);
        if(d.front()==i-k)
        d.pop_front();
        if(i>=k&&a[d.front()]>maxi)
        {
            maxi=a[d.front()];
            u=i;
        }
    }
    g<<u-k+1<<" "<<u<<" "<<maxi<<'\n';
    return 0;
    return 0;
}