oj.uz

Submission #933299

# Submission time Handle Problem Language Result Execution time Memory
933299 2024-02-25T11:59:33 Z SmuggingSpun Bank (IZhO14_bank) C++14
100 / 100
 31 ms 8736 KB 
#include<bits/stdc++.h>
#define taskname "bank"
using namespace std;
const int lim = 20;
int a[lim], b[lim], cnt[1 << lim], remain[1 << lim];
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	if(fopen(taskname".in", "r")){
		freopen(taskname".in", "r", stdin);
	}
	int n, m;
	cin >> n >> m;
	for(int i = 0; i < n; i++){
		cin >> a[i];
	}
	for(int i = 0; i < m; i++){
		cin >> b[i];
	}
	memset(cnt, -1, sizeof(cnt));
	remain[0] = a[cnt[0] = 0];
	for(int mask = 1; mask < (1 << m); mask++){
		int state = mask;
		while(state > 0){
			int x = __builtin_ctz(state), index = cnt[mask ^ (1 << x)], left = remain[mask ^ (1 << x)];
			if(index == -1 || b[x] > left){
				state ^= 1 << x;
				continue;
			}
			if(b[x] == left){
				if(index == n - 1){
					return cout << "YES", 0;
				}
				remain[mask] = a[cnt[mask] = ++index];
			}
			else{
				remain[mask] = left - b[x];
				cnt[mask] = index;
			}
			break;
		}
	}
	cout << "NO";
}

Compilation message

bank.cpp: In function 'int main()':
bank.cpp:9:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |   freopen(taskname".in", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6232 KB Output is correct
2 Correct 2 ms 6352 KB Output is correct
3 Correct 1 ms 6236 KB Output is correct
4 Correct 1 ms 6236 KB Output is correct
5 Correct 24 ms 6232 KB Output is correct
6 Correct 1 ms 6236 KB Output is correct
7 Correct 1 ms 6236 KB Output is correct
8 Correct 2 ms 6236 KB Output is correct
9 Correct 5 ms 8664 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6236 KB Output is correct
2 Correct 1 ms 6236 KB Output is correct
3 Correct 2 ms 6236 KB Output is correct
4 Correct 2 ms 6236 KB Output is correct
5 Correct 1 ms 6236 KB Output is correct
6 Correct 1 ms 6236 KB Output is correct
7 Correct 1 ms 6236 KB Output is correct
8 Correct 2 ms 6236 KB Output is correct
9 Correct 1 ms 6236 KB Output is correct
10 Correct 2 ms 6232 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6348 KB Output is correct
4 Correct 2 ms 6232 KB Output is correct
5 Correct 2 ms 6232 KB Output is correct
6 Correct 2 ms 6236 KB Output is correct
7 Correct 2 ms 6356 KB Output is correct
8 Correct 2 ms 6232 KB Output is correct
9 Correct 2 ms 6236 KB Output is correct
10 Correct 2 ms 6352 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6232 KB Output is correct
2 Correct 2 ms 6352 KB Output is correct
3 Correct 1 ms 6236 KB Output is correct
4 Correct 1 ms 6236 KB Output is correct
5 Correct 24 ms 6232 KB Output is correct
6 Correct 1 ms 6236 KB Output is correct
7 Correct 1 ms 6236 KB Output is correct
8 Correct 2 ms 6236 KB Output is correct
9 Correct 5 ms 8664 KB Output is correct
10 Correct 1 ms 6236 KB Output is correct
11 Correct 1 ms 6236 KB Output is correct
12 Correct 2 ms 6236 KB Output is correct
13 Correct 2 ms 6236 KB Output is correct
14 Correct 1 ms 6236 KB Output is correct
15 Correct 1 ms 6236 KB Output is correct
16 Correct 1 ms 6236 KB Output is correct
17 Correct 2 ms 6236 KB Output is correct
18 Correct 1 ms 6236 KB Output is correct
19 Correct 2 ms 6232 KB Output is correct
20 Correct 2 ms 6492 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct
22 Correct 2 ms 6348 KB Output is correct
23 Correct 2 ms 6232 KB Output is correct
24 Correct 2 ms 6232 KB Output is correct
25 Correct 2 ms 6236 KB Output is correct
26 Correct 2 ms 6356 KB Output is correct
27 Correct 2 ms 6232 KB Output is correct
28 Correct 2 ms 6236 KB Output is correct
29 Correct 2 ms 6352 KB Output is correct
30 Correct 2 ms 6492 KB Output is correct
31 Correct 10 ms 8540 KB Output is correct
32 Correct 7 ms 8536 KB Output is correct
33 Correct 29 ms 8540 KB Output is correct
34 Correct 26 ms 7004 KB Output is correct
35 Correct 25 ms 7000 KB Output is correct
36 Correct 27 ms 6492 KB Output is correct
37 Correct 24 ms 6748 KB Output is correct
38 Correct 25 ms 6236 KB Output is correct
39 Correct 2 ms 6236 KB Output is correct
40 Correct 23 ms 6744 KB Output is correct
41 Correct 23 ms 6492 KB Output is correct
42 Correct 26 ms 8736 KB Output is correct
43 Correct 27 ms 7516 KB Output is correct
44 Correct 23 ms 6236 KB Output is correct
45 Correct 1 ms 6236 KB Output is correct
46 Correct 31 ms 8644 KB Output is correct
47 Correct 25 ms 6348 KB Output is correct
48 Correct 2 ms 6236 KB Output is correct
49 Correct 24 ms 6492 KB Output is correct
50 Correct 8 ms 8540 KB Output is correct
51 Correct 24 ms 6492 KB Output is correct
52 Correct 26 ms 8536 KB Output is correct
53 Correct 6 ms 8540 KB Output is correct
54 Correct 7 ms 8656 KB Output is correct
55 Correct 7 ms 8540 KB Output is correct
56 Correct 6 ms 8540 KB Output is correct
57 Correct 6 ms 8668 KB Output is correct
58 Correct 7 ms 8540 KB Output is correct