Submission #1221424

#	Time	Username	Problem	Language	Result	Execution time	Memory
1221424		steveonalex	Rotating Lines (APIO25_rotate)	C++20	100 / 100	34 ms	2800 KiB

rotate

#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef unsigned int ul;
typedef unsigned long long ull;
 
#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
 
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll gcd(ll a, ll b){return __gcd(abs(a), abs(b));}
ll lcm(ll a, ll b){return abs(a) / gcd(a, b) * abs(b);}
 
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ull mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
 
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
 
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }
 
template <class T>
    void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){
        for(auto item: container) out << item << separator;
        out << finish;
    }

template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

#include "rotate.h"

const int MOD = 50000;

int normie(int x){
    x %= MOD;
    if (x < 0) x += MOD;
    return x;
}

void energy(int n, vector<int> v){
    vector<pair<int, int>> val;
    for(int i = 0; i < n; ++i) val.push_back(make_pair(v[i], i));

    sort(ALL(val));

    int half = n / 2;
    for(int i = 0; i < half; ++i){
        int cur = normie(val[i].first + MOD / 2);

        vector<int> arr = {val[i + half].second};
        rotate(arr, normie(cur - val[i + half].first));
    }
}

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