Cod sursa(job #849999)

Utilizator theo.stoicanTheodor Stoican theo.stoican Data 7 ianuarie 2013 21:52:39
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.97 kb
#include<cstdio>
#include<queue>
using namespace std;
int n, k, a[500],pf,vf,p,semn;
char s[1000];
deque <int> d;
int main()
{
    freopen("secventa.in", "r", stdin);
    freopen("secventa.out", "w", stdout);
    scanf("%d %d ", &n, &k);
    fgets(s,1000,stdin);
    for(int i=1; i<=n; ++i)
    {
        semn=1;
        if(s[p]==' ') ++p;
        if(s[p]=='-') {semn=-1; ++p;}
        while('0'<=s[p] && s[p]<='9') a[i]=a[i]*10+s[p]-'0', ++p;
        a[i] *= semn;
    }

    for(int i=1; i<=k; ++i)
    {
        while(!d.empty() &&  a[i] <= a[d.back()]) d.pop_back();
        d.push_back(i);
    }
    vf=a[d.front()];
    pf=k;
    for(int i=k+1; i<=n; ++i)
    {   if(d.front()==i-k) d.pop_front();
        while(!d.empty() &&  a[i] <= a[d.back()]) d.pop_back();
        d.push_back(i);
        if(a[d.front()]>vf)
        {
            vf=a[d.front()];
            pf=i;
        }
    }
    printf("%d %d %d\n", pf-k+1,pf,vf);
    return 0;
}