E2. Three Blocks Palindrome (hard version) (贪心&暴力)

E2. Three Blocks Palindrome (hard version) (贪心&暴力) 题目传送门c++ 思路： web AC代码：svg #include<bits/stdc++.h> using namespace std; int main(){ int t,n; scanf("%d",&t); while(t--){ scanf("%d",&n); vector

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