oj.uz

Submission #283306

# Submission time Handle Problem Language Result Execution time Memory
283306 2020-08-25T14:14:03 Z keta_tsimakuridze Bank (IZhO14_bank) C++14
0 / 100
 16 ms 1920 KB 
#include<bits/stdc++.h>
using namespace std;
int n,m,a[25],B[25],dp[2000006][25],i,j,k,s;
vector<int>V[25];
bool go(int b,int i){
	if(i==n) {
		return 1;
	}
	bool F=0;
	//cout<<i<<endl;
	if(dp[b][i]!=-1) return dp[b][i];
	for(int j=0;j<V[i].size();j++){
		if((b&V[i][j])==V[i][j]) {
			F=max(F,go(b^V[i][j],i+1));
		}
	}
	if (!F) {
		dp[b][i]=0; return 0;
	}
	return 1;
}
int main(){
	cin>>n>>m;
	for(k=0;k<n;k++){
		cin>>a[k];
	}
	for(k=0;k<m;k++)
	cin>>B[k];
	for(k=0;k<n;k++){
		s=0; 
		for(i=0;i< (1<<m); i++){
			s=0; dp[i][k]=-1;
			for(int j=0;j<=m;j++){
				int b=1<<j;
				if(b&i)s+=B[j];
			}
			if(s==a[k]) V[k].push_back(i);
		}
	}int b=1<<(m);
	if(go(b-1,0))cout<<"YES";
	else cout<<"No";
}

Compilation message

bank.cpp: In function 'bool go(int, int)':
bank.cpp:12:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |  for(int j=0;j<V[i].size();j++){
      |              ~^~~~~~~~~~~~

Subtask #1
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Incorrect 1 ms 384 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1920 KB Output is correct
2 Correct 4 ms 1860 KB Output is correct
3 Correct 11 ms 1920 KB Output is correct
4 Incorrect 16 ms 1920 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -