Submission #477929

# Submission time Handle Problem Language Result Execution time Memory
477929 2021-10-04T15:56:41 Z BackNoob Bank (IZhO14_bank) C++14
71 / 100
1000 ms 2368 KB
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define endl '\n'
#define mask(i) (1LL << (i))
#define task "name"
#define ull unsigned long long
using namespace std;
const ll mxN = 220797 + 7;
const ll inf = 1e9 + 277;
const ll mod = 2147483648;
const ll infll = 1e18 + 7;
const ll base = 307;
 
template <typename T1, typename T2> bool minimize(T1 &a, T2 b) {
	if (a > b) {a = b; return true;} return false;
}
template <typename T1, typename T2> bool maximize(T1 &a, T2 b) {
	if (a < b) {a = b; return true;} return false;
}
 
int a[mxN] , b[mxN] , c[mxN];
int dp[(1 << 20) + 7][22];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    //freopen("task.inp" , "r" , stdin);
    //freopen("task.out" , "w" , stdout);
    
    int n , m;
    cin >> n >> m;
    for(int i = 1 ; i <= n ; i++) cin >> a[i];
    for(int i = 1 ; i <= m ; i++) cin >> b[i];

	queue<pair<int , int>> q;
	for(int mask = 0 ; mask < (1 << m) ; mask++) {
		int s = 0;
		for(int i = 0 ; i < m ; i++) {
			if(mask & (1 << i)) s += b[i + 1];
		}
		if(s == a[1]) q.push({mask , 2});
	}
	while(!q.empty()) {
		pair<int , int> u = q.front();
		q.pop();
		if(u.se == n + 1) {
			cout << "YES";
			return 0;
		}

		int cnt = 0;
		for(int i = 0 ; i < m ; i++) {
			if(!(u.fi & (1 << i))) {
				c[cnt] = i;
				++cnt;
			}
		}

		for(int mask = 0 ; mask < (1 << cnt) ; mask++) {
			int s = 0;
			int submask = 0;
			for(int i = 0 ; i < cnt ; i++) {
				if(mask & (1 << i)) {
					submask |= (1 << c[i]);
					s += b[c[i] + 1];
				}
			}
			if(s == a[u.se]) q.push({u.fi | submask , u.se + 1});
		}
	}
	cout << "NO";
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 2 ms 320 KB Output is correct
5 Correct 69 ms 316 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 68 ms 332 KB Output is correct
9 Correct 65 ms 312 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 324 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 2 ms 324 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 3 ms 332 KB Output is correct
6 Correct 2 ms 204 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 2 ms 320 KB Output is correct
5 Correct 69 ms 316 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 68 ms 332 KB Output is correct
9 Correct 65 ms 312 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 324 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 2 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 2 ms 324 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 3 ms 332 KB Output is correct
25 Correct 2 ms 204 KB Output is correct
26 Correct 2 ms 332 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 332 KB Output is correct
29 Correct 2 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 247 ms 332 KB Output is correct
32 Execution timed out 1088 ms 2368 KB Time limit exceeded
33 Halted 0 ms 0 KB -