Submission #877429

#	Time	Username	Problem	Language	Result	Execution time	Memory
877429		vjudge1	Art Collections (BOI22_art)	C++17	Compilation error	0 ms	0 KiB

art

#include <bits/stdc++.h>
#include "art.h"

#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define uniq(x) x.erase(unique(all(x)), x.end())
#define rall(x) x.rbegin(), x.rend()
//#define int long long

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;
const double eps = 1e-9;

void setIO() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
}

void solve(int N) {
    if(N <= 6) {
        vector<int> v;
        for(int i=1; i<=N; i++) v.push_back(i);
        
        do {
            if(publish(v) == 0) {
                answer(v);
                return ;
            }
        } while(next_permutation(all(v)));
    }
}

int32_t main() {
    setIO();

    

    return 0;
}

Compilation message (stderr)

interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
/usr/bin/ld: /tmp/ccKCbagU.o: in function `main':
interface.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccaKc8WT.o:art.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status