解题思路:
注意事项:
参考代码:
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int n = in.nextInt();
int[] arr = new int[n+1];
for(int i=1;i<=n;i++) {
arr[i] = in.nextInt();
}
System.out.println(judge(arr,n));
}
private static int judge(int[] arr,int n) {
int[][] temp = new int[n+1][2];
temp[1][0] = arr[1]; temp[1][1] = 0;
for(int i=2;i<=n;i++) {
temp[i][0] = Integer.min(temp[i-1][0], temp[i-1][1])+arr[i];
temp[i][1] = Integer.min(temp[i-1][0], temp[i-2][0]);
}
return Integer.min(temp[n][0], temp[n][1]);
}
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