第一题(100%) 维护前缀递减、后缀递增数组。 #include <bits/stdc++.h> using namespace std; const int inf = 0x3f3f3f3f; const long long infl = 0x3f3f3f3f3f3f3f3fll; const int MAXN = 1005; int T, n, A[MAXN]; int pre[MAXN], suf[MAXN]; int main() { #ifdef __LOCAL_WONZY__ freopen("input-1.txt", "...