Submission #1205033

#	Time	Username	Problem	Language	Result	Execution time	Memory
1205033		irmuun	Rotating Lines (APIO25_rotate)	C++20	16 / 100	36 ms	2164 KiB

rotate

#include "rotate.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

const int lim=50000;

int till(int x,int y){
	if(x<=y) return y-x;
	return lim-(x-y);
}

void energy(int n, vector<int> v){
	if(n==2){
		rotate({1},till(v[1],(v[0]+lim/2)%lim));
		return;
	}
	vector<int>ord(n);
	iota(all(ord),0);
	sort(all(ord),[&](int i,int j){
		return v[i]<v[j];
	});
	int r=n-1;
	for(int i=1;i<=n/2;i++){
		rotate({ord[r]},till(v[ord[r]],25000));
		r--;
	}
	int l=0;
	for(int i=1;i<=n/2;i++){
		rotate({ord[l]},till(v[ord[l]],0));
		l++;
	}
	if(n%2==1){
		rotate({ord[n/2]},till(v[ord[n/2]],12500));
	}
}

• 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