题解 | #矩形覆盖#
矩形覆盖
http://www.nowcoder.com/practice/72a5a919508a4251859fb2cfb987a0e6
DP问题，矩形覆盖：状态转移方程f(n) = f(n - 1) + f(n -2)
public class Solution {
public int rectCover(int target) {
int fn = 0;
int[] dp = new int[2];
if (2 >= target) {
return target;
}
dp[0] = 1;
dp[1] = 2;
for(int i = 2; i < target; i++) {
fn = dp[0] + dp[1];
dp[0] = dp[1];
dp[1] = fn;
}
return fn;
}
} 
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