oj.uz

Submission #91103

# Submission time Handle Problem Language Result Execution time Memory
91103 2018-12-26T09:26:59 Z Aydarov03 Bank (IZhO14_bank) C++14
71 / 100
 82 ms 7936 KB 
#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include <algorithm>
using namespace std;

int a[25] , b[25];

vector <int> v[20005];
bool ui[25] , uj[25];
int n , m;


void rec( int id = 1 , int OR = 0)
{
    for(auto c : v[ a[id] ] )
    {
        if( (c & OR) == 0 )
        {
            if( id == n )
            {
                puts("YES");
                exit(0);
            }

            rec( id+1 , OR | c );
        }
    }
}



main()
{
    scanf("%d%d" , &n , &m);

    for(int i = 1; i <= n; i++)
        scanf("%d" , &a[i]);
    for(int i = 1; i <= m; i++)
        scanf("%d" , &b[i]);


    if( n == m )
    {
        int ans = 0;
		for(int i = 0; i < n; i++)
		{
			for(int j = 0; j < m; j++)
			{
				if(uj[j] || ui[i])
					continue;

				if(a[i] == b[j])
				{
					ui[i] = 1;
					uj[j] = 1;
					ans ++;
				}
			}
		}
		if(ans == n)
			puts("YES");
		else puts("NO");
		return 0;
	}



    for(int mask = 1; mask < (1<<m); mask++)
    {
        int sum = 0;
        for(int i = 0; i < m; i++)
        {
            if( mask & ( (1<<i) ) )
                sum += b[i+1];
        }
        v[sum].push_back( mask );
    }

    for(int i = 1; i <= n; i++)
    {
        if( v[a[i]].size() == 0 )
        {
            puts("NO");
            return 0;
        }
    }

    rec();


    puts("NO");
}

Compilation message

bank.cpp:33:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
bank.cpp: In function 'int main()':
bank.cpp:35:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d" , &n , &m);
     ~~~~~^~~~~~~~~~~~~~~~~~
bank.cpp:38:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d" , &a[i]);
         ~~~~~^~~~~~~~~~~~~~
bank.cpp:40:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d" , &b[i]);
         ~~~~~^~~~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 788 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 2 ms 888 KB Output is correct
4 Correct 4 ms 1112 KB Output is correct
5 Correct 76 ms 7404 KB Output is correct
6 Correct 1 ms 7404 KB Output is correct
7 Correct 2 ms 7404 KB Output is correct
8 Correct 74 ms 7404 KB Output is correct
9 Correct 76 ms 7404 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7404 KB Output is correct
2 Correct 2 ms 7404 KB Output is correct
3 Correct 2 ms 7404 KB Output is correct
4 Correct 2 ms 7404 KB Output is correct
5 Correct 2 ms 7404 KB Output is correct
6 Correct 2 ms 7404 KB Output is correct
7 Correct 2 ms 7404 KB Output is correct
8 Correct 2 ms 7404 KB Output is correct
9 Correct 2 ms 7404 KB Output is correct
10 Correct 2 ms 7404 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7404 KB Output is correct
2 Correct 3 ms 7404 KB Output is correct
3 Correct 3 ms 7404 KB Output is correct
4 Correct 2 ms 7404 KB Output is correct
5 Correct 3 ms 7404 KB Output is correct
6 Correct 4 ms 7404 KB Output is correct
7 Correct 3 ms 7404 KB Output is correct
8 Correct 3 ms 7404 KB Output is correct
9 Correct 3 ms 7404 KB Output is correct
10 Correct 4 ms 7404 KB Output is correct
11 Correct 2 ms 7404 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 788 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 2 ms 888 KB Output is correct
4 Correct 4 ms 1112 KB Output is correct
5 Correct 76 ms 7404 KB Output is correct
6 Correct 1 ms 7404 KB Output is correct
7 Correct 2 ms 7404 KB Output is correct
8 Correct 74 ms 7404 KB Output is correct
9 Correct 76 ms 7404 KB Output is correct
10 Correct 2 ms 7404 KB Output is correct
11 Correct 2 ms 7404 KB Output is correct
12 Correct 2 ms 7404 KB Output is correct
13 Correct 2 ms 7404 KB Output is correct
14 Correct 2 ms 7404 KB Output is correct
15 Correct 2 ms 7404 KB Output is correct
16 Correct 2 ms 7404 KB Output is correct
17 Correct 2 ms 7404 KB Output is correct
18 Correct 2 ms 7404 KB Output is correct
19 Correct 2 ms 7404 KB Output is correct
20 Correct 4 ms 7404 KB Output is correct
21 Correct 3 ms 7404 KB Output is correct
22 Correct 3 ms 7404 KB Output is correct
23 Correct 2 ms 7404 KB Output is correct
24 Correct 3 ms 7404 KB Output is correct
25 Correct 4 ms 7404 KB Output is correct
26 Correct 3 ms 7404 KB Output is correct
27 Correct 3 ms 7404 KB Output is correct
28 Correct 3 ms 7404 KB Output is correct
29 Correct 4 ms 7404 KB Output is correct
30 Correct 2 ms 7404 KB Output is correct
31 Correct 77 ms 7420 KB Output is correct
32 Correct 73 ms 7420 KB Output is correct
33 Correct 77 ms 7420 KB Output is correct
34 Correct 81 ms 7420 KB Output is correct
35 Correct 82 ms 7936 KB Output is correct
36 Incorrect 2 ms 7936 KB Output isn't correct
37 Halted 0 ms 0 KB -