제출 #319583

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
319583		knon0501	Detecting Molecules (IOI16_molecules)	C++14	컴파일 에러	0 ms	0 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    vector<int> ans;
    vector<pair<int,int>> a;
    for(int i=0 ; i<w.size() ; i++)a.push_back({w[i],i});
    sort(a.begin(),a.end());
    int idx=0;
    for(auto k: w){
        if(k>=l && k<=u){
            ans={idx};
            return ans;
        }
        idx++;
    }
    long long s=0;

    for(int i=(int)w.size()-1 ; i>= 0; i--){
        int k=a[i].first;
        if(k<l){
            s+=k;
            ans.push_back(a[i].second);
        }

        if(s>=l && s<=r){
            sort(ans.begin(),ans.end());
            return ans;
        }
    }
    return {};
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:7:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for(int i=0 ; i<w.size() ; i++)a.push_back({w[i],i});
      |                   ~^~~~~~~~~
molecules.cpp:26:23: error: 'r' was not declared in this scope
   26 |         if(s>=l && s<=r){
      |                       ^