UVA 11270 Tiling Dominoes(插頭DP)

題目鏈接：11270 - Tiling Dominoes

#include 
#include 
#include 
using namespace std;

int n, m, pre = 0, now = 1;
long long dp[2][2222];
int main() {
	while (~scanf("%d%d", &n, &m)) {
		if (n