Submission #478484

#	Time	Username	Problem	Language	Result	Execution time	Memory
478484		khoabright	Carnival Tickets (IOI20_tickets)	C++17	Compilation error	0 ms	0 KiB

tickets

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

#define int int64_t
#define ff first
#define ss second
#define pii pair<int, int>
#define all(x) x.begin(), x.end()
#define rep(i, a, b) for (int i = (int)a; i <= (int)b; ++i)
#define rep1(i, a, b) for (int i = (int)a; i >= (int)b; --i)
#define mp make_pair
#define vii vector<vector<int>>

const int N = 2e5 + 5;

void allocate_tickets(vii a);

int sub1(vii a) {
    int n = a.size();
    vector<int> v(n);
    rep(i, 0, n - 1) v[i] = a[i][0];
    sort(all(v));
    int bound = v[n / 2];
    int prize = 0;
    rep(i, 0, n - 1) prize += abs(v[i] - bound);
    allocate_tickets(a);
    return prize;
}

int find_maximum(int k, vii a) {
    return sub1(a);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc69ukbk.o: in function `sub1(std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > >)':
tickets.cpp:(.text+0x564): undefined reference to `allocate_tickets(std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > >)'
/usr/bin/ld: /tmp/ccPAEiLh.o: in function `main':
grader.cpp:(.text.startup+0x3b2): undefined reference to `find_maximum(int, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >)'
collect2: error: ld returned 1 exit status