只过了87.5% #include<bits/stdc++.h> using namespace std; typedef long long ll; const int N = 5e3 + 100; ll a[N],suma[N]; ll b[N],sumb[N]; ll n,m,u; bool check(int mid){ mid --; for(int i = 1 ; i <= n - mid; i++) { ll sum_a = suma[i+mid] - suma[i-1]; ll sum_b = sumb[i+mid] - sumb[i-1]; if(sum_a...
