Submission #474466

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
474466	2021-09-18 10:27:17	Gumloihacknao	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

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#include <iostream>
#include <algorithm>
#include <fstream>
#include <vector>
using namespace std;
int n, l, u, m, sum;
bool result = false;
vector<int> a,d,c,e;
void nhap()
{
  ifstream f;
  f.open("2016.inp");
  
  f >> n >> l >> u;
  
  for ( int i = 0; i < n; i++)
  {
    f >> m;
    sum += m;
      a.push_back(m);
  }
  
  f.close();
}
void xl()
{
 
 
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Compilation message (stderr)

molecules.cpp: In function 'void xuat()':
molecules.cpp:71:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |   for ( int i = 0; i < e.size(); i++)
      |                    ~~^~~~~~~~~~
/usr/bin/ld: /tmp/ccNglvHE.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccsaw9QD.o:molecules.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccNglvHE.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