제출 #992919

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
992919		MarwenElarbi	Art Collections (BOI22_art)	C++17	컴파일 에러	0 ms	0 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define ll long long
#define pb push_back
const int nax=1e6;

int publish(std::vector<int>);

void answer(std::vector<int>);

vector<int> tab;
int ans;
void daq(int l,int r){
  if(l==r) return;
  int mid=(r+l)/2;
  daq(l,mid);
  daq(mid+1,r);
  int j=mid+1;
  vector<int> current;
  for (int i = l; i <= mid; ++i)
  {
      while(j<=r){
          swap(tab[i],tab[j]);
          int cur=publish(tab);
          if(ans>cur){
            current.pb(tab[i]);
            ans=cur;
            swap(tab[i],tab[j]);
            j++;
            continue;
          }
          swap(tab[i],tab[j]);
      }
      current.pb(tab[i]);
  }
  while(j<=r){
    current.pb(tab[j]);
    j++;
  }
  for (int i = l; i <= r; ++i)
  {
    tab[i]=current[i];
  }
  ans=publish(tab);
  return;
}

컴파일 시 표준 에러 (stderr) 메시지

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/cchihPZN.o: in function `main':
interface.cpp:(.text.startup+0x16): undefined reference to `solve(int)'
collect2: error: ld returned 1 exit status