Cod sursa(job #1261171)

Utilizator ovidiuz98Zamfir Ovidiu ovidiuz98 Data 12 noiembrie 2014 00:14:38
Problema Secventa Scor 90
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.88 kb
#include <fstream>

using namespace std;
ifstream fin("secventa.in");
ofstream fout("secventa.out");
int n,k,v[500002],d[500002],i,p,u,sol=-310000,st,semn=-1,j;
char s[100];
int main(){
    fin>>n>>k;
    for(i=1;i<=n;i++){
        fin>>s;
            for(j=0;s[j]!=0;)
            {
                int r=0;
                semn=1;
                if(s[j]=='-')
                    semn=-1,j++;
                while(s[j]>='0' && s[j]<='9')
                    r=r*10+s[j]-'0',j++;
                v[++p]=semn*r;
            }
    }
    p=1;
    for(i=1;i<=n;i++){
            //fout<<v[i]<<endl;
        while(p<=u && v[i]<=v[d[u]])
            u--;
        d[++u]=i;
        if(d[p]==i-k)
            p++;
        if(i>=k && v[d[p]]>sol)
            sol=v[d[p]],st=i-k+1;
    }
    fout<<st<<" "<<st+k-1<<" "<<sol;
    fin.close();fout.close();
    return 0;
}