Cod sursa(job #362625)

Utilizator Addy.Adrian Draghici Addy. Data 10 noiembrie 2009 15:40:03
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.61 kb
#include <stdio.h>
#define Nmax 500002
#define INF 1 << 31

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[ Deq[u] ] > A[i]) u--;
		
		Deq[++u] = i;
		
		if (Deq[p] == i-k) p++;
		
		if (i >= k && A[ Deq[p] ] > sol)
			sol = A[ Deq[p] ], solp = Deq[p], solu = Deq[u];
	}
	
	fprintf(g, "%d %d %d", solp, solu, sol);
	
	fclose(f);
	fclose(g);
	
	return 0;
}