Cod sursa(job #12791)

Utilizator webspiderDumitru Bogdan webspider Data 4 februarie 2007 19:42:10
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.67 kb
#include <stdio.h>
#include <iostream>

using namespace std;

int sir[500001];
int coada[500001];
char buf[2097152];

int n,i,k,sc,ec;
int bzcm=-320000, end, st;

int main()
{
	freopen("secventa.in","r",stdin);
	freopen("secventa.out","w",stdout);

	scanf("%d %d\n", &n, &k);
		
	scanf("%d", &sir[1]);
	coada[1] = 1;
	sc = 1;
	ec = 1;

	for ( i = 2; i <= n; ++i )
	{ 
		scanf("%d", &sir[i] );
		if ( (i-1)- coada[sc] + 1 == k )
			++sc;
		while ( sir[ coada[ec] ] > sir[i] && ec >= sc)
			--ec;
		++ec;
		coada[ec] = i;
		if ( i > (k-1) )
		if ( sir[ coada[sc] ] > bzcm )
		{
			bzcm = sir[ coada[sc] ];
			st = i-k+1;
			end = i;
		}
	}

	printf("%d %d %d\n", st,end,bzcm);

	return 0;
}