Cod sursa(job #1103950)

Utilizator margikiMargeloiu Andrei margiki Data 10 februarie 2014 10:13:11
Problema Secventa Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.97 kb
# include <fstream>
# include <deque>
# include <cstring>
using namespace std;
ifstream f("secventa.in");
ofstream g("secventa.out");
int var,i,j,n,k,v1,v2,minn,VV,ok;
short a[500005];
deque <int> d;
char s[4000000];
int main ()
{
    f>>n>>k; f.get ();
    f.getline (s,4000000);
    minn=-999999; VV=0;
    for (i=1; i<=n; ++i)
    {
        var=0; ok=1;
        if (s[VV]=='-') ok=-1,++VV;
        while (s[VV]>='0' && s[VV]<='9')
        {
            var=var*10+s[VV]-'0';
            ++VV;
        }
        var*=ok;
        ++VV;
        a[i]=var;
        while (! d.empty() && a[i]<a[d.back()])
            d.pop_back();
        d.push_back(i);
        if (i-k==d.front()) d.pop_front ();
        if (i>=k)
        {
            var=a[d.front ()];
            if (var>minn)
            {
                minn=var;
                v1=i-k+1;
                v2=i;
            }
        }
    }
    g<<v1<<" "<<v2<<" "<<minn<<"\n";
    return 0;
}