제출 #1347299

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1347299		053thousand	Rotating Lines (APIO25_rotate)	C++20	5 / 100	3090 ms	836 KiB

rotate

#include "rotate.h"
#include <vector>
#include<math.h>
using namespace std;
int ag(int x,int y){
	return min(abs(x-y),50000-abs(x-y));
}
void energy(int n, vector<int> v){
    vector<int>send;
    long long int fp=v[0],sp=(v[0]+25000)%50000,fpc=1,spc=0;
    for(int i=v.size()-1;i>0;i--) send.push_back(i);
    for(int i=1;i<v.size();i++){
    	long long int ip=0;
    	int mb=fp-v[i];
    	for(int h=i;h<v.size();h++){
    		int np=(mb+v[h]+50000)%50000;
    		int ag1=ag(fp,v[h]),ag2=ag(sp,v[h]),ag3=ag(fp,np),ag4=ag(sp,np);
    		ip+=(ag3*fpc+ag4*spc)-(ag1*fpc+ag2*spc);
		}
		if(ip>0){
			rotate(send,fp-v[i]);
			fpc++;
		}
		else {
			rotate(send,sp-v[i]);
			spc++;
		}
		send.pop_back();
	}
	for(int i=0;i<n;i++)send.push_back(i);
	if(abs(fpc-spc)>=2) rotate(send,1);
}

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