Submission #1206901

#	Time	Username	Problem	Language	Result	Execution time	Memory
1206901		friendiks	Rotating Lines (APIO25_rotate)	C++20	Compilation error	0 ms	0 KiB

rotate

#ifndef LOCAL
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC diagnostic ignored "-Wpedantic"
#endif

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

auto seed = chrono::high_resolution_clock::now().time_since_epoch().count();
mt19937 rnd(52);
template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename V>
using table = gp_hash_table<T, V>;

using i128 = __int128;
using ll = long long;
using ld = long double;
using uint = unsigned int;
using ull = unsigned long long;

const ll INF = 2e18;
const int inf = 2e9;
const int maxn = 1e5;
const int MOD = 988244353;
const ld pi = acos(-1);
const int P = 5167;
const int L = 26;
const ld EPS = 1e-7;

template<typename T, typename V>
void fill(T &container, V value) {
    for (auto &c: container)
        c = value;
}

void rotate(vector<int> t, int x);

void energy(int n, vector<int> v) {
    vector<pair<int, int> > a(n);
    for (int i = 0; i < n; ++i) a[i] = {v[i], i};
    sort(a.begin(), a.end());
    for (int i = 0; i < n / 2; ++i) {
        rotate({a[i].second}, 50000 - a[i].first);
    }
    for (int i = n - 1; i >= n / 2; --i) {
        rotate({a[i].second}, 25000 - a[i].first);
    }
}

void solve() {
}

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(4);
    int t = 1;
    //cin >> t;
    while (t--) solve();
    //stress();
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccpQNVHL.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccqxuga9.o:rotate.cpp:(.text.startup+0x20): first defined here
collect2: error: ld returned 1 exit status