제출 #1286804

#제출 시각아이디문제언어결과실행 시간메모리
1286804SmuggingSpunRotating Lines (APIO25_rotate)C++20
16 / 100
39 ms2160 KiB
#include "rotate.h" #include<bits/stdc++.h> using namespace std; const int MOD = 5e4; void energy(int n, vector<int>v){ if(n == 2){ rotate({0}, (v[1] + (MOD >> 1) - v[0] + MOD) % MOD); return; } vector<int>p(n); iota(p.begin(), p.end(), 0); sort(p.begin(), p.end(), [&] (int i, int j){ return v[i] < v[j]; }); if(*max_element(v.begin(), v.end()) < (MOD >> 1)){ for(int i = 0; i < (n >> 1); i++){ rotate({p[i]}, MOD - v[p[i]]); rotate({p[n - i - 1]}, (MOD >> 1) - v[p[n - i - 1]]); } return; } for(int i = 0; i < (n >> 1); i++){ rotate({p[i]}, (v[p[n - i - 1]] - v[p[i]] + (MOD >> 1)) % MOD); } }
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