oj.uz

Submission #168220

# Submission time Handle Problem Language Result Execution time Memory
168220 2019-12-12T02:56:58 Z juggernaut Bank (IZhO14_bank) C++14
100 / 100
 283 ms 22660 KB 
#include<bits/stdc++.h>
#define int long long int
using namespace std;
int n,m,a[21],b[20],mask,i,sum[(1<<20)];
bool dp[21][(1<<20)];
vector<vector<int>>g(21);
void go(int pos,int mask){
    if(dp[pos][mask])return;
    dp[pos][mask]=1;
    if(pos==n+1){
        puts("YES");
        exit(0);
    }
    for(int to:g[pos])
        if((mask&to)==0)go(pos+1,mask|to);
}
main(){
    scanf("%lld%lld",&n,&m);
    for(i=1;i<=n;i++)scanf("%lld",&a[i]);
    for(i=0;i<m;i++)scanf("%lld",&b[i]);
    for(mask=0;mask<(1<<m);mask++)
        for(i=0;i<m;i++)if(mask&(1<<i))sum[mask]+=b[i];
    g[0].push_back(0);
    for(i=1;i<=n;i++)
        for(mask=0;mask<(1<<m);mask++)
            if(sum[mask]==a[i])g[i].push_back(mask);
    go(0,0);
    puts("NO");
}

Compilation message

bank.cpp:17:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
bank.cpp: In function 'int main()':
bank.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~~~~
bank.cpp:19:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1;i<=n;i++)scanf("%lld",&a[i]);
                      ~~~~~^~~~~~~~~~~~~~
bank.cpp:20:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=0;i<m;i++)scanf("%lld",&b[i]);
                     ~~~~~^~~~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 5 ms 632 KB Output is correct
5 Correct 94 ms 8632 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 93 ms 8824 KB Output is correct
9 Correct 93 ms 8568 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 1 ms 404 KB Output is correct
10 Correct 2 ms 380 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 4 ms 508 KB Output is correct
4 Correct 4 ms 504 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 4 ms 504 KB Output is correct
10 Correct 4 ms 504 KB Output is correct
11 Correct 4 ms 504 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 5 ms 632 KB Output is correct
5 Correct 94 ms 8632 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 93 ms 8824 KB Output is correct
9 Correct 93 ms 8568 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 1 ms 404 KB Output is correct
19 Correct 2 ms 380 KB Output is correct
20 Correct 4 ms 504 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 4 ms 508 KB Output is correct
23 Correct 4 ms 504 KB Output is correct
24 Correct 4 ms 504 KB Output is correct
25 Correct 3 ms 504 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 3 ms 504 KB Output is correct
28 Correct 4 ms 504 KB Output is correct
29 Correct 4 ms 504 KB Output is correct
30 Correct 4 ms 504 KB Output is correct
31 Correct 96 ms 8568 KB Output is correct
32 Correct 99 ms 8824 KB Output is correct
33 Correct 111 ms 8612 KB Output is correct
34 Correct 118 ms 8668 KB Output is correct
35 Correct 121 ms 8696 KB Output is correct
36 Correct 146 ms 8696 KB Output is correct
37 Correct 95 ms 8568 KB Output is correct
38 Correct 101 ms 8568 KB Output is correct
39 Correct 113 ms 8568 KB Output is correct
40 Correct 118 ms 8588 KB Output is correct
41 Correct 146 ms 8696 KB Output is correct
42 Correct 111 ms 11932 KB Output is correct
43 Correct 115 ms 9384 KB Output is correct
44 Correct 132 ms 8568 KB Output is correct
45 Correct 99 ms 8596 KB Output is correct
46 Correct 107 ms 8628 KB Output is correct
47 Correct 132 ms 8696 KB Output is correct
48 Correct 93 ms 8636 KB Output is correct
49 Correct 93 ms 8568 KB Output is correct
50 Correct 146 ms 8696 KB Output is correct
51 Correct 118 ms 8824 KB Output is correct
52 Correct 118 ms 8668 KB Output is correct
53 Correct 119 ms 8696 KB Output is correct
54 Correct 147 ms 8696 KB Output is correct
55 Correct 147 ms 8600 KB Output is correct
56 Correct 146 ms 8704 KB Output is correct
57 Correct 283 ms 22660 KB Output is correct
58 Correct 144 ms 8700 KB Output is correct