oj.uz

Submission #230008

# Submission time Handle Problem Language Result Execution time Memory
230008 2020-05-07T17:15:28 Z DodgeBallMan Bank (IZhO14_bank) C++14
100 / 100
 287 ms 172920 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 21;
int dp[N][1<<N], n, m, a[N], b[N];
vector<int> bit[N];

int solve( int p, int mask ) {
    if( p == n ) return 1;
    if( dp[p][mask] != -1 ) return dp[p][mask];
    dp[p][mask] = 0;
    for( int x : bit[p] ) {
        if( !( x&mask ) && solve( p+1, mask|x ) ) return dp[p][mask] = 1;
    }
    return 0;
}

int main()
{
    memset( dp, -1, sizeof dp );
    scanf("%d %d",&n,&m);
    for( int i = 0 ; i < n ; i++ ) scanf("%d",&a[i]);
    for( int i = 0 ; i < m ; i++ ) scanf("%d",&b[i]);
    for( int i = 0 ; i < ( 1<<m ) ; i++ ) {
        int sum = 0;
        for( int j = 0 ; j < m ; j++ ) if( i & ( 1<<j ) ) sum += b[j];
        for( int j = 0 ; j < n ; j++ ) if( a[j] == sum ) bit[j].emplace_back( i );
    }
    if( solve( 0, 0 ) ) printf("YES\n");
    else printf("NO\n");
    return 0;
}

Compilation message

bank.cpp: In function 'int main()':
bank.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~
bank.cpp:23:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for( int i = 0 ; i < n ; i++ ) scanf("%d",&a[i]);
                                    ~~~~~^~~~~~~~~~~~
bank.cpp:24:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for( int i = 0 ; i < m ; i++ ) scanf("%d",&b[i]);
                                    ~~~~~^~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 172792 KB Output is correct
2 Correct 79 ms 172844 KB Output is correct
3 Correct 78 ms 172664 KB Output is correct
4 Correct 86 ms 172860 KB Output is correct
5 Correct 146 ms 172712 KB Output is correct
6 Correct 79 ms 172792 KB Output is correct
7 Correct 81 ms 172664 KB Output is correct
8 Correct 150 ms 172792 KB Output is correct
9 Correct 149 ms 172664 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 172664 KB Output is correct
2 Correct 80 ms 172664 KB Output is correct
3 Correct 84 ms 172712 KB Output is correct
4 Correct 81 ms 172920 KB Output is correct
5 Correct 81 ms 172664 KB Output is correct
6 Correct 81 ms 172664 KB Output is correct
7 Correct 80 ms 172664 KB Output is correct
8 Correct 80 ms 172664 KB Output is correct
9 Correct 81 ms 172664 KB Output is correct
10 Correct 79 ms 172648 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 172664 KB Output is correct
2 Correct 82 ms 172664 KB Output is correct
3 Correct 81 ms 172664 KB Output is correct
4 Correct 85 ms 172792 KB Output is correct
5 Correct 80 ms 172664 KB Output is correct
6 Correct 81 ms 172664 KB Output is correct
7 Correct 80 ms 172664 KB Output is correct
8 Correct 81 ms 172664 KB Output is correct
9 Correct 84 ms 172664 KB Output is correct
10 Correct 80 ms 172664 KB Output is correct
11 Correct 81 ms 172664 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 172792 KB Output is correct
2 Correct 79 ms 172844 KB Output is correct
3 Correct 78 ms 172664 KB Output is correct
4 Correct 86 ms 172860 KB Output is correct
5 Correct 146 ms 172712 KB Output is correct
6 Correct 79 ms 172792 KB Output is correct
7 Correct 81 ms 172664 KB Output is correct
8 Correct 150 ms 172792 KB Output is correct
9 Correct 149 ms 172664 KB Output is correct
10 Correct 82 ms 172664 KB Output is correct
11 Correct 80 ms 172664 KB Output is correct
12 Correct 84 ms 172712 KB Output is correct
13 Correct 81 ms 172920 KB Output is correct
14 Correct 81 ms 172664 KB Output is correct
15 Correct 81 ms 172664 KB Output is correct
16 Correct 80 ms 172664 KB Output is correct
17 Correct 80 ms 172664 KB Output is correct
18 Correct 81 ms 172664 KB Output is correct
19 Correct 79 ms 172648 KB Output is correct
20 Correct 82 ms 172664 KB Output is correct
21 Correct 82 ms 172664 KB Output is correct
22 Correct 81 ms 172664 KB Output is correct
23 Correct 85 ms 172792 KB Output is correct
24 Correct 80 ms 172664 KB Output is correct
25 Correct 81 ms 172664 KB Output is correct
26 Correct 80 ms 172664 KB Output is correct
27 Correct 81 ms 172664 KB Output is correct
28 Correct 84 ms 172664 KB Output is correct
29 Correct 80 ms 172664 KB Output is correct
30 Correct 81 ms 172664 KB Output is correct
31 Correct 149 ms 172664 KB Output is correct
32 Correct 153 ms 172792 KB Output is correct
33 Correct 153 ms 172792 KB Output is correct
34 Correct 158 ms 172664 KB Output is correct
35 Correct 158 ms 172664 KB Output is correct
36 Correct 162 ms 172728 KB Output is correct
37 Correct 150 ms 172664 KB Output is correct
38 Correct 153 ms 172664 KB Output is correct
39 Correct 154 ms 172664 KB Output is correct
40 Correct 161 ms 172792 KB Output is correct
41 Correct 164 ms 172664 KB Output is correct
42 Correct 158 ms 172664 KB Output is correct
43 Correct 157 ms 172792 KB Output is correct
44 Correct 164 ms 172664 KB Output is correct
45 Correct 152 ms 172664 KB Output is correct
46 Correct 154 ms 172664 KB Output is correct
47 Correct 163 ms 172788 KB Output is correct
48 Correct 145 ms 172792 KB Output is correct
49 Correct 147 ms 172700 KB Output is correct
50 Correct 162 ms 172664 KB Output is correct
51 Correct 159 ms 172792 KB Output is correct
52 Correct 161 ms 172668 KB Output is correct
53 Correct 155 ms 172872 KB Output is correct
54 Correct 166 ms 172664 KB Output is correct
55 Correct 162 ms 172732 KB Output is correct
56 Correct 166 ms 172736 KB Output is correct
57 Correct 287 ms 172664 KB Output is correct
58 Correct 167 ms 172792 KB Output is correct