Submission #1367527

#	Time	Username	Problem	Language	Result	Execution time	Memory
1367527		peem	Rotating Lines (APIO25_rotate)	C++20	5 / 100	0 ms	836 KiB

rotate

#include "rotate.h"
#include <bits/stdc++.h>
using namespace std;

void energy(int n, vector<int> v){
    long long mx=25000*(n/2)*((n+1)/2);
    int p=v[0];
    for(int i=n/2;i<n;++i) {
        rotate({i},25000+p-v[i]);
        v[i]=25000+p-v[i];
        long long res = 0;
        for (int k = 0; k < n; k++){
            for (int j = k + 1; j <n; j++){
                int d = abs(v[k] - v[j]);
                res += std::min(d, 50000 - d);
            }
        }
        if(res==mx) return;
    }
    for(int i=1;i<n/2;++i) {
        rotate({i},p-v[i]);
        v[i]=p;
        long long res = 0;
        for (int k = 0; k <n; k++){
            for (int j = k + 1; j <n; j++){
                int d = abs(v[k] - v[j]);
                res += std::min(d, 50000 - d);
            }
        }
        if(res==mx) return;
    }
}

• 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