Cod sursa(job #1279684)

Utilizator costty94Duica Costinel costty94 Data 30 noiembrie 2014 18:54:30
Problema Secventa Scor 40
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.89 kb
#include <iostream>
#include <fstream>
#define maxn 500050

using namespace std;

FILE *f = fopen("secventa.in", "r");
FILE *g = fopen("secventa.out", "w");

int v[maxn], d[maxn], m = 1<<30, i, n, k, u, p, a, b, aux, poz, semn;
char s[maxn];

int main()
{
	fscanf(f, "%d%d\n", &n, &k);
	fgets(s, maxn * 10, f);
	n = 0;
	semn = 1;
	for (i = 1; s[i] != 0; i++)
	{
		if (s[i] >= '0' && s[i] <= '9')
			aux = aux * 10 + (s[i] - '0');
		else
		{
			if (s[i] == '-')
				semn = -1;
			else
			{
				v[++n] = aux * semn;
				aux = 0;
				semn = 1;
			}
		}
	}
	m = -m;
	p = 1;
	u = 1;
	d[u] = 1;
	for (i = 2; i <= n; i++)
	{
		while (v[i] <= v[d[u]] && p <= u)
			u--;
		d[++u] = i;
		if (i - d[p] == k)
			p++;
		if (i >= k)
		{
			if (m < v[d[p]])
			{
				m = v[d[p]];
				a = d[u];
				
			}
		}
	}
	fprintf(g, "%d %d %d", a - k + 1, a, m);
	return 0;
}