oj.uz

Submission #671835

# Submission time Handle Problem Language Result Execution time Memory
671835 2022-12-14T04:05:33 Z Baytoro Bank (IZhO14_bank) C++17
71 / 100
 1000 ms 8608 KB 
#include <bits/stdc++.h>
using namespace std;
#define ios ios::sync_with_stdio(false); cin.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
//#define int long long
#define endl '\n'
void fopn(string name){
	freopen((name+".in").c_str(),"r",stdin);
	freopen((name+".out").c_str(),"w",stdout);
}
const int INF=1e18,mod=1e9+7;
int n,m;
void get(int x){
	for(int i=0;i<m;i++)
		cout<<((x&(1<<i))?1:0);
	cout<<endl;
}
int dp[(1<<20)+5];
int ok[(1<<20)+5];
void solve(){
	memset(ok,-1,sizeof(ok));
	cin>>n>>m;
	vector<int> a(n+1),b(m+1);
	for(int i=0;i<n;i++) cin>>a[i];
	for(int i=0;i<m;i++) cin>>b[i];
	for(int i=0;i<n;i++){
		for(int mask=1;mask<(1<<m);mask++){
			for(int j=0;j<m;j++){
				if(mask&(1<<j)){
					//cout<<ok[(mask^(1<<j))]<<endl;
					if(ok[mask^(1<<j)]<i-1) continue;
					dp[mask]=(dp[mask^(1<<j)])+b[j];
					//get(mask);cout<<' '<<dp[mask];
					if(dp[mask]>a[i]) continue;
					ok[mask]=i-1;
					if(dp[mask]==a[i]){
						dp[mask]=0;
						ok[mask]=i;
						//get(mask);
						if(i==n-1){
							cout<<"YES\n";
							return;
						}
					}
					break;
				}
			}
		}
	}
	cout<<"NO\n";
	
}
main(){
	ios;
	int T=1;
	//cin>>T;
	while(T--){
		solve();
	}
}

Compilation message

bank.cpp:15:15: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   15 | const int INF=1e18,mod=1e9+7;
      |               ^~~~
bank.cpp:57:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   57 | main(){
      | ^~~~
bank.cpp: In function 'void fopn(std::string)':
bank.cpp:12:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  freopen((name+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:13:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4308 KB Output is correct
2 Correct 2 ms 4308 KB Output is correct
3 Correct 2 ms 4308 KB Output is correct
4 Correct 2 ms 4308 KB Output is correct
5 Correct 65 ms 8496 KB Output is correct
6 Correct 2 ms 4308 KB Output is correct
7 Correct 2 ms 4308 KB Output is correct
8 Correct 2 ms 4316 KB Output is correct
9 Correct 6 ms 8404 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4436 KB Output is correct
2 Correct 2 ms 4308 KB Output is correct
3 Correct 2 ms 4308 KB Output is correct
4 Correct 2 ms 4308 KB Output is correct
5 Correct 2 ms 4308 KB Output is correct
6 Correct 2 ms 4436 KB Output is correct
7 Correct 3 ms 4308 KB Output is correct
8 Correct 2 ms 4436 KB Output is correct
9 Correct 2 ms 4308 KB Output is correct
10 Correct 2 ms 4308 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4436 KB Output is correct
2 Correct 4 ms 4376 KB Output is correct
3 Correct 10 ms 4488 KB Output is correct
4 Correct 12 ms 4492 KB Output is correct
5 Correct 9 ms 4492 KB Output is correct
6 Correct 6 ms 4496 KB Output is correct
7 Correct 5 ms 4436 KB Output is correct
8 Correct 4 ms 4436 KB Output is correct
9 Correct 8 ms 4436 KB Output is correct
10 Correct 9 ms 4492 KB Output is correct
11 Correct 12 ms 4436 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4308 KB Output is correct
2 Correct 2 ms 4308 KB Output is correct
3 Correct 2 ms 4308 KB Output is correct
4 Correct 2 ms 4308 KB Output is correct
5 Correct 65 ms 8496 KB Output is correct
6 Correct 2 ms 4308 KB Output is correct
7 Correct 2 ms 4308 KB Output is correct
8 Correct 2 ms 4316 KB Output is correct
9 Correct 6 ms 8404 KB Output is correct
10 Correct 2 ms 4436 KB Output is correct
11 Correct 2 ms 4308 KB Output is correct
12 Correct 2 ms 4308 KB Output is correct
13 Correct 2 ms 4308 KB Output is correct
14 Correct 2 ms 4308 KB Output is correct
15 Correct 2 ms 4436 KB Output is correct
16 Correct 3 ms 4308 KB Output is correct
17 Correct 2 ms 4436 KB Output is correct
18 Correct 2 ms 4308 KB Output is correct
19 Correct 2 ms 4308 KB Output is correct
20 Correct 7 ms 4436 KB Output is correct
21 Correct 4 ms 4376 KB Output is correct
22 Correct 10 ms 4488 KB Output is correct
23 Correct 12 ms 4492 KB Output is correct
24 Correct 9 ms 4492 KB Output is correct
25 Correct 6 ms 4496 KB Output is correct
26 Correct 5 ms 4436 KB Output is correct
27 Correct 4 ms 4436 KB Output is correct
28 Correct 8 ms 4436 KB Output is correct
29 Correct 9 ms 4492 KB Output is correct
30 Correct 12 ms 4436 KB Output is correct
31 Correct 61 ms 8504 KB Output is correct
32 Correct 99 ms 8512 KB Output is correct
33 Correct 421 ms 8500 KB Output is correct
34 Correct 616 ms 8608 KB Output is correct
35 Correct 670 ms 8504 KB Output is correct
36 Execution timed out 1091 ms 8396 KB Time limit exceeded
37 Halted 0 ms 0 KB -