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daimayuan 668. 体育节

题意: 重排数组,最小化每个位置的前缀极差之和。 思路: https://zhuanlan.zhihu.com/p/490707329 cin >> n; for(int i = 1; i <= n; i++) cin >> a[i]; sort(a + 1, a + 1 + n); for(int len = 1; len <= n; len++) for(int l = 1; l + len - 1 <= n; l++) { int r

daimayuan 每日一题-平方计数

题目link 学习博客 思路 a i 2 + a j

Daimayuan Online Judge #558. 快快变大

#include<bits/stdc++.h> using namespace std; #define int long long #define debug cout<<"!!!"<<endl; #define FOR(i, a, b) for (int i = (a); i <= (b); i++) #define ROF(i, a, b) for (int i = (a); i >= (b); i--) const int N =