제출 #875744

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
875744		raul2008487	Detecting Molecules (IOI16_molecules)	C++17	컴파일 에러	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
#include "molecules.h"
#define ll int
#define all(v) v.begin(), v.end()
#define pb push_back
#define vl vector<ll>
using namespace std;
bool check(ll cur, ll low, ll high){
    return (cur <= high && cur >= low);
}
vector<int> find_subset(int l, int u, vector<int> w) {
    vl ans;
    ll i, j, n = w.size(), l = 0, r = 1, sum = w[0];
    sort(all(w));
    bool as = 0;
    while(r <= n){
        if(check(sum, l, u)){
            for(i=l+1;i<=r;i++){
                ans.pb(i);
                as = 1;
                break;
            }
        }
        else if(sum > u){
            l++;
            sum -= w[l-1];
        }
        else{
            r++;
            sum += w[r-1];
        }
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:13:28: error: declaration of 'int l' shadows a parameter
   13 |     ll i, j, n = w.size(), l = 0, r = 1, sum = w[0];
      |                            ^
molecules.cpp:11:29: note: 'int l' previously declared here
   11 | vector<int> find_subset(int l, int u, vector<int> w) {
      |                         ~~~~^
molecules.cpp:13:11: warning: unused variable 'j' [-Wunused-variable]
   13 |     ll i, j, n = w.size(), l = 0, r = 1, sum = w[0];
      |           ^