제출 #921963

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
921963		HoriaHaivas	Detecting Molecules (IOI16_molecules)	C++14	컴파일 에러	0 ms	0 KiB

molecules

/*
    "care a facut teste cu Lattice reduction attack e ciudat"
    "linistiti va putin"
    - 2023 -
*/
#include<bits/stdc++.h>
#include<molecules.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#pragma GCC optimize("Ofast")
#define int long long

using namespace std;

vector<int> rez;

struct sirelement
{
    int val;
    int poz;
};

vector<sirelement> v;

bool cmp (sirelement a, sirelement b)
{
    return a.val<b.val;
}

vector<int> find_subset(int l, int u, vector<int> w)
{
    int i;
    for (i=0; i<w.size(); i++)
    {
        v.push_back({w[i],i});
    }
    sort(v.begin(),v.end(),cmp);
    int pointer,s,j;
    s=0;
    pointer=0;
    for (i=0; i<v.size(); i++)
    {
        if (pointer<i)
            pointer=i;
        while (pointer<v.size() && s+v[pointer].val<=u)
        {
            s+=v[pointer].val;
            pointer++;
        }
        if (s>=l && s<=u)
        {
            for (j=i; j<pointer; j++)
                rez.push_back(v[j].poz);
            return rez;
        }
        else
        {
            if (pointer>i)
            s-=v[i].val;
        }
    }
    return rez;
}

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:33:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for (i=0; i<w.size(); i++)
      |               ~^~~~~~~~~
molecules.cpp:41:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<sirelement>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for (i=0; i<v.size(); i++)
      |               ~^~~~~~~~~
molecules.cpp:45:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<sirelement>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         while (pointer<v.size() && s+v[pointer].val<=u)
      |                ~~~~~~~^~~~~~~~~
/usr/bin/ld: /tmp/ccPeTK1G.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