Submission #134654

#	Time	Username	Problem	Language	Result	Execution time	Memory
134654		Muhammetali	Detecting Molecules (IOI16_molecules)	C++11	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>

typedef long long ll;

using namespace std;

ll n,l,u,w[1001],m,e[1001],jem,h[1001],g,k,res;

int Lay(ll h[],ll e[],ll w[],ll g,ll k)
{
	for (int i=0;i<n;i++)
	{
			if (w[i]==h[k])
			{
				w[i]=0;
				e[g]=i;
				return 0;
			}
	}
}

int main()
{
	
	system("color 7E");
	
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n >> l >> u;
	
	for (ll i=0;i<n;i++)
	{
		cin >> w[i];
		res+=w[i];
		h[i]=w[i];
	}
	
	sort(h,h+n);
	
	if (u-l>=h[n-1]-h[0])
	{
		if (res<l)
		{
			cout << 0;
			return 0;
		}
		if (res<l)
		{
			cout << 0;
			return 0;
		}
		if (h[0]>=l && h[0]<=u && h[0]+h[1]>u)
		{
			cout << 1 << endl;
			cout << 0;
			return 0;
		}
		for (ll i=n-1;i>=0;i--)
		{
			jem+=h[i];
			k=i;
			if (jem<=u)
			{
				g++;
				Lay(h,e,w,g,k);
			}
			if (jem>u)
			{
				jem-=h[i];
			}
		}
	}
	else
	{
		cout << 0;
		return 0;
	}
	
	if (jem<l)
	{
		cout << 0;
		return 0;
	}
	
	cout << g << endl;
	
	sort (e+1,e+g+1);
	
	for (ll i=1;i<=g;i++)
	{
		cout << e[i] << " ";
	}
	
}

Compilation message (stderr)

molecules.cpp: In function 'int Lay(ll*, ll*, ll*, ll, ll)':
molecules.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
molecules.cpp: In function 'int main()':
molecules.cpp:25:8: warning: ignoring return value of 'int system(const char*)', declared with attribute warn_unused_result [-Wunused-result]
  system("color 7E");
  ~~~~~~^~~~~~~~~~~~
/tmp/ccccpeW5.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccsHlAPQ.o:molecules.cpp:(.text.startup+0x0): first defined here
/tmp/ccccpeW5.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