Submission #229880

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
229880	2020-05-06 23:20:48	xyzyzl	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

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// Time:
// Algorithms: 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
#define MAXN 1000005
#define FOR(i, n) for (int i = 0; i < n; i++)
#define FORR(j, i, n) for (int i = j; i < n; i++)
#define FORD(i, n) for (int i = n - 1; i >= 0; i--)
#define F1R(i, n) for (int i = 1; i <= n; i++)
#define F1RD(i, n) for (int i = n; i >= 1; i--)
#define pb push_back
#define mp make_pair
#define endl '\n'
#define DUEHOANG                  \
  ios_base::sync_with_stdio(0); \
  cin.tie(NULL);                \
  cout.tie(NULL)
#define fileio(in, out)      \
  freopen(in, "r", stdin); \
  freopen(out, "w", stdout);
#define ll long long
#define int ll
 
 
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Compilation message (stderr)

molecules.cpp: In function 'vi find_subset(long long int, long long int, vi)':
molecules.cpp:67:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < w.size(); i++)
                 ~~^~~~~~~~~~
/tmp/cc3Bjf7f.o: In function `main':
grader.cpp:(.text.startup+0x152): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status