제출 #1206831

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1206831		friendiks	Rotating Lines (APIO25_rotate)	C++20	컴파일 에러	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 = 1e6;
const int MOD = 1e9 + 7;
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;
}

#define int ll


void energy(int n, vector<int> v) {
    sort(v.begin(), v.end());
    for (int i = 0; i < n / 2; ++i) {
        v[i] = max(v[i], 24999ll);
    }
    for (int i = n / 2; i < n; ++i) {
        v[i] = 49999;
    }
    int ans = 0, sum = 0;
    for (int i = 0; i < n; ++i) {
        ans += v[i] * i - sum;
        sum += v[i];
    }
    cout << ans;
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/cctnrQ3q.o: in function `main':
grader.cpp:(.text.startup+0x294): undefined reference to `energy(int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status