Submission #1277091

#	Time	Username	Problem	Language	Result	Execution time	Memory
1277091		nanaseyuzuki	Xylophone (JOI18_xylophone)	C++20	Compilation error	0 ms	0 KiB

xylophone

#include <bits/stdc++.h>
#include "xylophone.h"
// Author: Kazuki_Will_Win_VOI_8703
#define fi first
#define se second
#define pii pair<int, int>
#define int long long
#define all(a) a.begin(), a.end()
using namespace std;

const int mn = 1e6 + 1, bm = (1 << 15) + 1, mod = 1532023;
const int inf = 1e9, base = 311;

vector <int> merge(int ll, int rr){
    if(ll == rr){
        vector <int> ans;
        ans.push_back(ll);
        return ans;
    }
    vector <int> ans;
    int mid = (ll + rr) >> 1;
    vector <int> l = merge(ll, mid);
    vector <int> r = merge(mid + 1, rr);
    int i = 0, j = 0;
    while(i < l.size() && j < r.size()){
        int kq = query(l[i], r[j]);
        if(kq < 0){
            ans.push_back(l[i]);
            i ++;
        }
        else{
            ans.push_back(r[j]);
            j ++;
        }
    }
    while(i < l.size()) ans.push_back(l[i++]);
    while(j < r.size()) ans.push_back(r[j++]);
    return ans;
}

void solve(int n){
    vector <int> kq = merge(1, n);
    vector <pii> Megumi;
    for(int i = 0; i < n; i++){
        Megumi.push_back({kq[i], i + 1});
    }
    sort(all(Megumi));
    for(auto [j, i] : Megumi) answer(j, i + 1);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cchVOpm6.o: in function `main':
grader.cpp:(.text.startup+0x30): undefined reference to `solve(int)'
collect2: error: ld returned 1 exit status