#include <stdio.h> int max(int a, int b) { if (a >= b) return a; else return b; } int main() { int n; scanf("%d", &n); int a[100000]; int len = 1; int len_max = 1; int flag = 0; for (int i = 0; i < n - 1; i++) { scanf("%d", &a[i]); } getchar();//无用 for (int i = 0; i < n - 2; i...