Cod sursa(job #362632)

Utilizator Addy.Adrian Draghici Addy. Data 10 noiembrie 2009 16:01:00
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.62 kb
#include <stdio.h>
#define Nmax 500002
#define INF 1<<30

int A[Nmax], Deq[Nmax];
int n, k, i, p, u, sol, solp, solu;

int main() {
	
	FILE *f = fopen("secventa.in", "r");
	FILE *g = fopen("secventa.out", "w");
	
	fscanf(f, "%d %d", &n, &k);
	
	p = 1, u = 0, sol = -INF;
	for (i = 1; i <= n; i++) {
		fscanf(f, "%d", &A[i]);
		while (p <= u && A[i] <= A[ Deq[u] ]) u--;
		
		Deq[++u] = i;
		
		if (Deq[p] == i-k) p++;
		
		if (i >= k && A[ Deq[p] ] > sol)
			sol = A[ Deq[p] ], solp = Deq[u]-k+1, solu = Deq[u];
	}
	
	fprintf(g, "%d %d %d", solp, solu, sol);
	
	fclose(f);
	fclose(g);
	
	return 0;
}