解题思路:
注意事项:
参考代码:
public class 愚蠢的摄影师 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner in = new Scanner(System.in); int N = in.nextInt(); int[] arrays = new int[55]; arrays[0] = 1; arrays[1] = 1; arrays[2] = 2; arrays[3] = 4; for (int i = 4; i < arrays.length; i++) { arrays[i] = arrays[i - 1] + arrays[i-3]+1; } System.out.println(arrays[N-1]); } }
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