Submission #197341

# Submission time Handle Problem Language Result Execution time Memory
197341 2020-01-20T12:52:01 Z nafis_shifat Ice Hockey World Championship (CEOI15_bobek) C++14
0 / 100
254 ms 20824 KB
#include<bits/stdc++.h>
#define pii pair<int,int>
#define ll long long
using namespace std;

vector<ll> v1;
vector<ll> v2;


ll a[45];

ll clc(int mask,int b,int e,ll m)
{
	ll cur=0;
	for(int i=b,j=1;i<=e;i++,j++)
	{
		if((mask>>(j-1))&1)
		{
			if(cur+a[i]>m)return -1;
			cur+=a[i];			
		}
	}
	return cur;
}
int main()
{
	int n;
	cin>>n;
	int m;
	cin>>m;
	int m1=n/2;
	int m2=n-m1;





	for(int i=1;i<=n;i++)
	{
		cin>>a[i];
	}



	for(int i=0;i<(1<<m1)-1;i++)
	{
		ll c=clc(i,1,m1,m);
		if(c!=-1)v1.push_back(c);
	}


	for(int i=0;i<(1<<m2)-1;i++)
	{
		ll c=clc(i,m1+1,n,m);
		if(c!=-1)v2.push_back(c);
	}
	

	sort(v2.begin(),v2.end());

	ll rs=0;



	for(int i=0;i<v1.size();i++)
	{
		ll cur=v1[i];
		ll r=m-cur;

		ll d=upper_bound(v2.begin(),v2.end(),r)-v2.begin();
	
		rs+=d;
		
		

	}

	cout<<rs<<endl;





	



	return 0;
}

Compilation message

bobek.cpp: In function 'int main()':
bobek.cpp:65:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<v1.size();i++)
              ~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 39 ms 2032 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 56 ms 2920 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 65 ms 3696 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 170 ms 12928 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 2172 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 254 ms 20824 KB Output isn't correct
2 Halted 0 ms 0 KB -