oj.uz

Submission #68459

# Submission time Handle Problem Language Result Execution time Memory
68459 2018-08-17T07:30:20 Z yusufake Bank (IZhO14_bank) C++
100 / 100
 222 ms 14844 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e3+3;

#define pb push_back
vector < int > V[N];
bool H[20][1<<20];
int A[N],B[N],T[N*20],n,m,i,j,t,ans;

void f(int i, int m){
    if(ans) return;
    if(i == n) { ans = 1; return; }
    if(H[i][m]) return;
    H[i][m] = 1;
    int j, x = A[i];
    for(j=0;j<V[x].size();j++){
        if((V[x][j] & m) == V[x][j])
            f(i+1,(m^V[x][j]));
    }                   
}                       
                        
int main(){
    scanf("%d%d",&n,&m);
    for(i=0;i<n;i++) { scanf("%d",&A[i]); T[ A[i] ] = 1; }
    for(i=0;i<m;i++) scanf("%d",&B[i]);
                        
    for(i=1;i<(1<<m);i++){
        t = 0;          
        for(j=0;j<m;j++)    
            if(i & (1 << j))    
                t += B[j];          
        if(!T[t]) continue;             
        V[t].pb(i);                         
    }                                           
                                                        
    ans = 0;                                                        
    f(0,(1<<m)-1);                                                      
    puts(ans ? "YES" : "NO");                                           
    return 0;     
}

Compilation message

bank.cpp: In function 'void f(int, int)':
bank.cpp:17:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(j=0;j<V[x].size();j++){
             ~^~~~~~~~~~~~
bank.cpp: In function 'int main()':
bank.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
bank.cpp:25:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=0;i<n;i++) { scanf("%d",&A[i]); T[ A[i] ] = 1; }
                        ~~~~~^~~~~~~~~~~~
bank.cpp:26:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=0;i<m;i++) scanf("%d",&B[i]);
                      ~~~~~^~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 376 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 2 ms 408 KB Output is correct
4 Correct 3 ms 408 KB Output is correct
5 Correct 69 ms 408 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 71 ms 644 KB Output is correct
9 Correct 71 ms 644 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 720 KB Output is correct
2 Correct 2 ms 720 KB Output is correct
3 Correct 2 ms 720 KB Output is correct
4 Correct 2 ms 720 KB Output is correct
5 Correct 2 ms 720 KB Output is correct
6 Correct 2 ms 720 KB Output is correct
7 Correct 2 ms 720 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 720 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 720 KB Output is correct
2 Correct 3 ms 720 KB Output is correct
3 Correct 3 ms 720 KB Output is correct
4 Correct 3 ms 720 KB Output is correct
5 Correct 3 ms 720 KB Output is correct
6 Correct 3 ms 720 KB Output is correct
7 Correct 3 ms 720 KB Output is correct
8 Correct 3 ms 720 KB Output is correct
9 Correct 3 ms 720 KB Output is correct
10 Correct 3 ms 720 KB Output is correct
11 Correct 3 ms 720 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 376 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 2 ms 408 KB Output is correct
4 Correct 3 ms 408 KB Output is correct
5 Correct 69 ms 408 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 71 ms 644 KB Output is correct
9 Correct 71 ms 644 KB Output is correct
10 Correct 2 ms 720 KB Output is correct
11 Correct 2 ms 720 KB Output is correct
12 Correct 2 ms 720 KB Output is correct
13 Correct 2 ms 720 KB Output is correct
14 Correct 2 ms 720 KB Output is correct
15 Correct 2 ms 720 KB Output is correct
16 Correct 2 ms 720 KB Output is correct
17 Correct 2 ms 720 KB Output is correct
18 Correct 2 ms 720 KB Output is correct
19 Correct 2 ms 720 KB Output is correct
20 Correct 3 ms 720 KB Output is correct
21 Correct 3 ms 720 KB Output is correct
22 Correct 3 ms 720 KB Output is correct
23 Correct 3 ms 720 KB Output is correct
24 Correct 3 ms 720 KB Output is correct
25 Correct 3 ms 720 KB Output is correct
26 Correct 3 ms 720 KB Output is correct
27 Correct 3 ms 720 KB Output is correct
28 Correct 3 ms 720 KB Output is correct
29 Correct 3 ms 720 KB Output is correct
30 Correct 3 ms 720 KB Output is correct
31 Correct 70 ms 720 KB Output is correct
32 Correct 70 ms 736 KB Output is correct
33 Correct 70 ms 736 KB Output is correct
34 Correct 71 ms 736 KB Output is correct
35 Correct 70 ms 736 KB Output is correct
36 Correct 70 ms 736 KB Output is correct
37 Correct 71 ms 736 KB Output is correct
38 Correct 70 ms 736 KB Output is correct
39 Correct 70 ms 736 KB Output is correct
40 Correct 71 ms 736 KB Output is correct
41 Correct 71 ms 736 KB Output is correct
42 Correct 79 ms 4192 KB Output is correct
43 Correct 71 ms 4192 KB Output is correct
44 Correct 70 ms 4192 KB Output is correct
45 Correct 70 ms 4192 KB Output is correct
46 Correct 71 ms 4192 KB Output is correct
47 Correct 71 ms 4192 KB Output is correct
48 Correct 71 ms 4192 KB Output is correct
49 Correct 71 ms 4192 KB Output is correct
50 Correct 71 ms 4192 KB Output is correct
51 Correct 71 ms 4192 KB Output is correct
52 Correct 70 ms 4192 KB Output is correct
53 Correct 70 ms 4192 KB Output is correct
54 Correct 70 ms 4192 KB Output is correct
55 Correct 70 ms 4192 KB Output is correct
56 Correct 70 ms 4192 KB Output is correct
57 Correct 222 ms 14844 KB Output is correct
58 Correct 70 ms 14844 KB Output is correct