Submission #1286802

#	Time	Username	Problem	Language	Result	Execution time	Memory
1286802		SmuggingSpun	Rotating Lines (APIO25_rotate)	C++20	16 / 100	37 ms	2160 KiB

rotate

#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;
	}
	if(*max_element(v.begin(), v.end()) < (MOD >> 1)){
		vector<int>p(n);
		iota(p.begin(), p.end(), 0);
		sort(p.begin(), p.end(), [&] (int i, int j){
			return v[i] < v[j];
		});
		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;
	}
}

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 11 / 11
• Subtask 3: 0 / 8
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 26