oj.uz

Submission #49807

# Submission time Handle Problem Language Result Execution time Memory
49807 2018-06-03T09:07:59 Z mra2322001 Bank (IZhO14_bank) C++14
100 / 100
 287 ms 91136 KB 
#include <bits/stdc++.h>
#define f0(i, n) for(int i=(0); i<n; i++)
#define f1(i, n) for(int i=(1); i<=n; i++)
#define bit(x, y) (((x) >> (y))&1)

using namespace std;
typedef long long ll;
const int N = 22;

int n, m, a[N], b[N];
int f[22][1 << 20];
vector <int> t[N];

int calc(int i, int s){
    if(f[i][s] >= 0) return f[i][s];
    if(i == n + 1){
        cout << "YES";
        exit(0);
    }
    int &ans = f[i][s];
    ans = 0;
    for(auto x:t[i]){
        if(x & s) continue;
        ans = ans | calc(i + 1, s | x);
        if(ans) break;
    }
    return ans;
}

main(){
    ios_base::sync_with_stdio(0);

    cin >> n >> m;
    f1(i, n) cin >> a[i];
    f1(i, m) cin >> b[i];

    memset(f, -1, sizeof(f));
    for(int i = 1; i <= (1 << m); i++){
        int val = 0;
        int save = 0;
        f0(j, m){
            if(bit(i, j)) val += b[j + 1];
            if(bit(i, j)){
                save = save + (1 << j);
            }
        }
        f1(j, n){
            if(val==a[j]) t[j].push_back(save);
        }
    }
    calc(1, 0);
    cout << "NO";
}

Compilation message

bank.cpp:30:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 90616 KB Output is correct
2 Correct 75 ms 90748 KB Output is correct
3 Correct 72 ms 90748 KB Output is correct
4 Correct 75 ms 90748 KB Output is correct
5 Correct 143 ms 90748 KB Output is correct
6 Correct 73 ms 90764 KB Output is correct
7 Correct 71 ms 90952 KB Output is correct
8 Correct 142 ms 91008 KB Output is correct
9 Correct 142 ms 91008 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 91008 KB Output is correct
2 Correct 71 ms 91008 KB Output is correct
3 Correct 71 ms 91008 KB Output is correct
4 Correct 71 ms 91008 KB Output is correct
5 Correct 72 ms 91008 KB Output is correct
6 Correct 72 ms 91008 KB Output is correct
7 Correct 73 ms 91008 KB Output is correct
8 Correct 73 ms 91008 KB Output is correct
9 Correct 72 ms 91008 KB Output is correct
10 Correct 72 ms 91008 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 91008 KB Output is correct
2 Correct 72 ms 91008 KB Output is correct
3 Correct 73 ms 91008 KB Output is correct
4 Correct 74 ms 91008 KB Output is correct
5 Correct 73 ms 91008 KB Output is correct
6 Correct 73 ms 91008 KB Output is correct
7 Correct 74 ms 91008 KB Output is correct
8 Correct 73 ms 91008 KB Output is correct
9 Correct 73 ms 91008 KB Output is correct
10 Correct 72 ms 91008 KB Output is correct
11 Correct 74 ms 91008 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 90616 KB Output is correct
2 Correct 75 ms 90748 KB Output is correct
3 Correct 72 ms 90748 KB Output is correct
4 Correct 75 ms 90748 KB Output is correct
5 Correct 143 ms 90748 KB Output is correct
6 Correct 73 ms 90764 KB Output is correct
7 Correct 71 ms 90952 KB Output is correct
8 Correct 142 ms 91008 KB Output is correct
9 Correct 142 ms 91008 KB Output is correct
10 Correct 73 ms 91008 KB Output is correct
11 Correct 71 ms 91008 KB Output is correct
12 Correct 71 ms 91008 KB Output is correct
13 Correct 71 ms 91008 KB Output is correct
14 Correct 72 ms 91008 KB Output is correct
15 Correct 72 ms 91008 KB Output is correct
16 Correct 73 ms 91008 KB Output is correct
17 Correct 73 ms 91008 KB Output is correct
18 Correct 72 ms 91008 KB Output is correct
19 Correct 72 ms 91008 KB Output is correct
20 Correct 73 ms 91008 KB Output is correct
21 Correct 72 ms 91008 KB Output is correct
22 Correct 73 ms 91008 KB Output is correct
23 Correct 74 ms 91008 KB Output is correct
24 Correct 73 ms 91008 KB Output is correct
25 Correct 73 ms 91008 KB Output is correct
26 Correct 74 ms 91008 KB Output is correct
27 Correct 73 ms 91008 KB Output is correct
28 Correct 73 ms 91008 KB Output is correct
29 Correct 72 ms 91008 KB Output is correct
30 Correct 74 ms 91008 KB Output is correct
31 Correct 145 ms 91008 KB Output is correct
32 Correct 146 ms 91008 KB Output is correct
33 Correct 147 ms 91008 KB Output is correct
34 Correct 150 ms 91008 KB Output is correct
35 Correct 143 ms 91008 KB Output is correct
36 Correct 154 ms 91032 KB Output is correct
37 Correct 133 ms 91032 KB Output is correct
38 Correct 140 ms 91032 KB Output is correct
39 Correct 149 ms 91032 KB Output is correct
40 Correct 142 ms 91032 KB Output is correct
41 Correct 158 ms 91032 KB Output is correct
42 Correct 144 ms 91032 KB Output is correct
43 Correct 140 ms 91032 KB Output is correct
44 Correct 145 ms 91032 KB Output is correct
45 Correct 146 ms 91056 KB Output is correct
46 Correct 148 ms 91056 KB Output is correct
47 Correct 145 ms 91056 KB Output is correct
48 Correct 136 ms 91056 KB Output is correct
49 Correct 131 ms 91056 KB Output is correct
50 Correct 149 ms 91056 KB Output is correct
51 Correct 141 ms 91056 KB Output is correct
52 Correct 142 ms 91136 KB Output is correct
53 Correct 142 ms 91136 KB Output is correct
54 Correct 149 ms 91136 KB Output is correct
55 Correct 148 ms 91136 KB Output is correct
56 Correct 148 ms 91136 KB Output is correct
57 Correct 287 ms 91136 KB Output is correct
58 Correct 159 ms 91136 KB Output is correct