답안 #1072291

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1072291	2024-08-23T16:29:55 Z	ivaziva	Detecting Molecules (IOI16_molecules)	C++14	컴파일 오류	0 ms	0 KB

molecules

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

using namespace std;

std::vector<int> find_subset(int l, int u, std::vector<int> w) 
{
    vector<pair<int,int>> vec;
    vec.push_back({0,0});
    int n=w.size();
    for (int i=0;i<n;i++) vec.push_back({w[i],i});
    sort(vec.begin(),vec.end());
    int l=1,r=1,val=vec[1].first;
    bool resenje=false;
    while (l<=r)
    {
        if (val>=l and val<=u) {resenje=true;break;}
        if (val<l and r<n) {r++;val+=vec[r].first;}
        else if (val<l and r==n) break;
        else if (val>u and l<r) {val-=vec[l].first;l++;}
        else if (val>u and l==r) break;
    }
    vector<int> ans;
    if (!resenje) return ans;
    for (int i=l;i<=r;i++) ans.push_back(vec[i].second);
    return ans;
}

Compilation message

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:13:9: error: declaration of 'int l' shadows a parameter
   13 |     int l=1,r=1,val=vec[1].first;
      |         ^
molecules.cpp:6:34: note: 'int l' previously declared here
    6 | std::vector<int> find_subset(int l, int u, std::vector<int> w)
      |                              ~~~~^