oj.uz

Submission #671748

# Submission time Handle Problem Language Result Execution time Memory
671748 2022-12-13T16:24:17 Z smartmonky Bank (IZhO14_bank) C++14
19 / 100
 53 ms 2692 KB 
#include <bits/stdc++.h>
  
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
 
using namespace std;
const int N = 1e5;
vector <int> g[N];
int n, vis[25][N];
void rec(int pos, int v){
	if(pos == n + 1){
		cout <<"YES";
		exit(0);
	}
	vis[pos][v] = 1;
	for(auto to : g[pos]){
		if((to & v) == v && !vis[pos + 1][(v ^ to)])
			rec(pos + 1, (v ^ to));
	}
}
main(){
	int m;
	cin >> n >> m;
	vector <int> v(n + 1), a(m + 1);
	for(int i = 1; i <= n; i++){
		cin >> v[i];
	}	
	for(int i = 1; i <= m; i++){
		cin >> a[i];
	}
	for(int i = 1; i <= (1 << m); i++){
		int sum = 0;
		for(int j = 1; j <= m; j++)
		if(i & (1 << j)){
			sum += a[j];
		}
		for(int j = 1; j <= n; j++){
			if(v[j] == sum)g[j].pb(i);
		}
	}
	rec(1, 0);
	cout << "NO";
}

Compilation message

bank.cpp:24:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   24 | main(){
      | ^~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 3 ms 2644 KB Output is correct
5 Correct 53 ms 2652 KB Output is correct
6 Correct 3 ms 2644 KB Output is correct
7 Correct 2 ms 2660 KB Output is correct
8 Correct 52 ms 2692 KB Output is correct
9 Correct 53 ms 2644 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2660 KB Output is correct
2 Incorrect 2 ms 2656 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2644 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 3 ms 2644 KB Output is correct
5 Correct 53 ms 2652 KB Output is correct
6 Correct 3 ms 2644 KB Output is correct
7 Correct 2 ms 2660 KB Output is correct
8 Correct 52 ms 2692 KB Output is correct
9 Correct 53 ms 2644 KB Output is correct
10 Correct 2 ms 2660 KB Output is correct
11 Incorrect 2 ms 2656 KB Output isn't correct
12 Halted 0 ms 0 KB -