Cod sursa(job #446895)

Utilizator katakunaCazacu Alexandru katakuna Data 26 aprilie 2010 20:43:33
Problema Pedefe Scor 50
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.97 kb
#include <cstdio>
#include <algorithm>
using namespace std;

#define Nmax 510
#define MOD 666013

int n, m, p;
int A[Nmax][Nmax], B[Nmax][Nmax], Sa[Nmax], Sb[Nmax];
int S1[Nmax], S2[Nmax], S3[Nmax];

void citire () {
	
	int i;
	
	scanf ("%d %d %d", &n, &m, &p);
	for (i = 1; i <= n; i++) 
		scanf ("%d", &S1[i]);
	
	for (i = 1; i <= m; i++) 
		scanf ("%d", &S2[i]);
	
	for (i = 1; i <= p; i++) 
		scanf ("%d", &S3[i]);
}

void dinamica () { 
	
	int i, j, k, jj;
	
	A[0][0] = 1; 
	Sa[0] = 1;
	
	for (i = 1; i <= n; i++) {
		for (j = 1; j <= m; j++) { 
			if (S1[i] == S2[j]) 
				for (jj = j - 1; jj >= 0; jj--) 
					if (S2[jj] <= S2[j]) {
						A[i][j]+= Sa[jj];
						if (A[i][j] >= MOD) A[i][j]-= MOD;
					}
		}
		
		for (j = 1; j <= m; j++) 
			Sa[j] = Sa[j] + A[i][j];
	}
	
	memset (Sa, 0, sizeof (Sa));
	Sa[0] = 1;
	
	for (k = 1; k <= p; k++) {
		
		for (i = 1; i <= n; i++) {
			for (j = 1; j <= m; j++) {
				if (S1[i] == S2[j]) {
					
					if (S1[i] == S3[k]) {
						for (jj = j - 1; jj >= 0; jj--) 
							if (S2[jj] <= S2[j]) {
								B[i][j]+= Sa[jj];
								if (B[i][j] >= MOD) B[i][j]-= MOD;
							}
					}
					
					else {
						for (jj = j - 1; jj >= 0; jj--) 
							if (S2[jj] <= S2[j]) {
								B[i][j]+= Sb[jj];
								if (B[i][j] >= MOD) B[i][j]-= MOD;
							}
					}
				}		
			}
			
			for (j = 1; j <= m; j++) { 
				Sb[j] = Sb[j] + B[i][j];
				Sa[j] = Sa[j] + A[i][j];
			}
		}
		
		memcpy (Sa, Sb, sizeof (Sa));
		memset (Sb, 0, sizeof (Sb));
		memset (Sa, 0, sizeof (Sa));
		
		for (i = 0; i <= n; i++) {
			memcpy (A[i], B[i], sizeof (A[i]));
			memset (B[i], 0, sizeof (B[i]));
		}
	}
	
	int sol = 0;
	for (i = 1; i <= n; i++)
		for (j = 1; j <= m; j++) {
			sol+= A[i][j];
			if (sol >= MOD) sol-= MOD;
		}
	
	printf ("%d", sol);
}

int main () {

	freopen ("pedefe.in", "r", stdin);
	freopen ("pedefe.out", "w", stdout);

	citire ();
	dinamica ();
	
	return 0;
}