Cod sursa(job #1218420)

Utilizator andreey_047Andrei Maxim andreey_047 Data 10 august 2014 23:34:41
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.81 kb
#include <cstdio>
#define nmax 500009
using namespace std;
int n,k;
typedef int Deque;
Deque D[nmax];
int a[nmax],maxim;
int main(){
    int i,front,back,x,sum=0,j,pi,pf=0,aux,q;
    freopen("secventa.in","r",stdin);
    freopen("secventa.out","w",stdout);
    scanf("%d%d",&n,&k);
    front = 1; back = 0;
    for(i=1;i<=n;i++) scanf("%d",&a[i]);
    maxim = -99999; pi = 1;
    for(i=1;i<=n;i++){
        while(front <= back && a[i] < a[D[back]]) back--;
    D[++back] = i;

    if(a[D[front]] < a[i] && D[front] <= i-k) {front++;}
    if(i >= k && a[D[front]] > maxim) {pi = D[front];  maxim = a[D[front]];}
    }
    q = pi; aux = pi;
    while(a[q] >= maxim && q > 0) q--;
    q++;
    if(pi - q >= k) pf = pi;
    else pf = pi + k-(pi-q)-1;
   printf("%d %d %d\n",q,pf,maxim);
    return 0;
}