제출 #984181

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
984181		alphagomaster	Detecting Molecules (IOI16_molecules)	C++17	컴파일 에러	0 ms	0 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
#define int long long
using namespace std;
std::vector<int> find_subset(int l, int u, std::vector<int> ww) {
  int n = size(ww);
  pair<int,int>w[n];
  for(int i = 0 ; i < n;i++){
    w[i].first = ww[i];
    w[i].second=i;
  }
  sort(w,w+n);
  int j = 0;
  int sum = 0;
  deque<int>v;
  for(int i = 0; i < n;i++){
    v.push_back(w[i].second);
    sum += w[i].first;
    while(sum > u){
      sum -= w[j].first;
      j ++;
      
      v.pop_front();
    }
    if(sum >= l && sum <= u){
      //cout << i-j+1 << endl;
      vector<int>out;
      for(int jj = 0; jj <size(v);jj++){
        out.push_back(v[j]);
      }
      return out;
    }
  }
  
  return {0};
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<long long int> find_subset(long long int, long long int, std::vector<long long int>)':
molecules.cpp:28:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::deque<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |       for(int jj = 0; jj <size(v);jj++){
      |                       ~~~^~~~~~~~
/usr/bin/ld: /tmp/ccJm7Boh.o: in function `main':
grader.cpp:(.text.startup+0x18d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status