Cod sursa(job #557655)

Utilizator ooctavTuchila Octavian ooctav Data 16 martie 2011 19:13:34
Problema Diamant Scor 70
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.61 kb
#include<cstdio>
#include<cstdlib>
#include<ctime>
#include<iostream>
#include<algorithm>
#include<deque>
#include<queue>
#include<set>
#include<vector>
using namespace std;

const char IN[] = {"diamant.in"};
const char OUT[] = {"diamant.out"};
const int INF = 1000000005;
const double PI  = 3.14159265;
const int NMAX = 20;
const int VALMAX = 44100;
const int MOD = 10000;

#define II inline
#define LL long long
#define PII pair<int, int>
#define PDD pair<double, double>
#define fs first
#define sc second
#define mp make_pair
#define pb push_back
#define FOR(i, a, b) 	for(int i = a ; i <= b ; i++)
#define IFOR(i, a, b) 	for(int i = a ; i >= b ; i--)
#define FORIT(it, V) 	for(vector<int> :: iterator it = V.begin() ; it != V.end() ; it++)
#define all(a) a, a + 

int N, M, X;
int a[2*VALMAX + 5];
int vmin = VALMAX, vmax = VALMAX;

void citi()
{
	scanf("%d%d%d", &N, &M, &X);
}

inline bool in(int x)
{
	return(1 <=x && x <= 2*VALMAX);
}

void dinamic()
{
	int b[2*VALMAX + 5];
	a[VALMAX] = 1;
	FOR(i, 1, N)
		FOR(j, 1, M)
		{
			fill(b + vmin, b + vmax + 1, 0);
			FOR(k, vmin, vmax)
			{
				if(in(k - i*j))	b[k - i*j] = (b[k - i*j] + a[k])%MOD, vmin = min(vmin, k - i*j);
								b[k] = (b[k] + a[k])%MOD;
				if(in(k + i*j))	b[k + i*j] = (b[k + i*j] + a[k])%MOD, vmax = max(vmax, k + i*j);
			}
			copy(b + vmin, b + vmax + 1, a + vmin);
		}
}

void scrie()
{
	/*if(X > VALMAX)
	{
		printf("0");
		return;
	}*/
	printf("%d\n", a[VALMAX + X]);
}

int main()
{
	freopen(IN, "r", stdin);
	freopen(OUT, "w", stdout);
	citi();
	dinamic();
	scrie();
	return 0;
}