Cod sursa(job #1261450)

Utilizator ovidiuz98Zamfir Ovidiu ovidiuz98 Data 12 noiembrie 2014 12:57:03
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.98 kb
#include <cstdio>

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;
char s[500002];
FILE *in,*out;
int main(){
    /*fin>>n>>k;fin.get();
    fin.get(s, 500002);
    while(s[i]!=0){
        int r=0;
        semn=1;
        if(s[i]=='-')
            semn=-1,i++;
        while(s[i]>='0' && s[i]<='9')
            r=r*10+s[i]-'0',i++;
        v[++p]=semn*r;
        i++;
    }*/
    in=fopen("secventa.in","r");
    out=fopen("secventa.out","w");
    fscanf(in,"%d%d",&n,&k);
    for(i=1;i<=n;i++){
        fscanf(in,"%d",&v[i]);
    }
    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;
    }
    fprintf(out,"%d %d %d",st,st+k-1,sol);
    fclose(in);fclose(out);
    return 0;
}