Submission #68550

#	Time	Username	Problem	Language	Result	Execution time	Memory
68550		quoriess	Bank (IZhO14_bank)	C++14	71 / 100	1082 ms	58536 KiB

bank

    #include <bits/stdc++.h>
    using namespace std;
    typedef long long int lli;
    int main(){
    	int n,m;
    	cin>>n>>m;
    	vector<int> salary,banks;
    	for (int i = 0; i < n; i++)
    	{
    		int a;
    		cin>>a;
    		salary.push_back(a);
    	}
    	for (int j = 0; j < m; j++)
    	{
    		int a;
    		cin>>a;
    		banks.push_back(a);
    	}
    /*
    2 4
    3 6
    5 1 2 1
     
    */
    	vector<vector<bitset<20> > > sncler(n,vector<bitset<20> >());
    	for (int i = 0; i < 1<<m; i++)
    	{
    		bitset<20> smd(i);
    		int tplm=0;
    		for (int j = 0; j < m; j++)
    		{
    			if(smd[j])
                    tplm+=banks[j];
    		}
    		for(int j=0;j<n;j++){
    			if(salary[j]==tplm)
                    sncler[j].push_back(smd);
    		}
    	}
    	int mstb=1<<m;
    	bool dp[n][mstb];
    	set<int> bakilacaklar;
    	for(int i=0;i<n;i++){
            for(int j=0;j<mstb;j++)dp[i][j]=0;
    	}
    	for(auto j:sncler[0]){
			dp[0][j.to_ulong()]=1;
			bakilacaklar.insert(j.to_ulong());
    	}
    	for (int i = 1; i < n; i++)
    	{
			set<int> nb=bakilacaklar;
    		for(auto k:bakilacaklar){
    			for (auto j: sncler[i])
    			{
    				if((k&j.to_ulong())==0){
    					dp[i][k^j.to_ulong()]=dp[i-1][k]||dp[i][k^j.to_ulong()];
    					if(dp[i][k^j.to_ulong()])nb.insert(k^j.to_ulong());
    				}
    			}
    		}
    		bakilacaklar=nb;
    	}
    	bool ans=0;
        for(int i=1;i<mstb;i++)if(dp[n-1][i])ans=true;
        cout << (ans?"YES":"NO")<<"\n";
    	return 0;
    }

• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 0 / 29