oj.uz

Submission #337557

# Submission time Handle Problem Language Result Execution time Memory
337557 2020-12-21T05:00:24 Z Kerim Bank (IZhO14_bank) C++17
100 / 100
 216 ms 89068 KB 
#include "bits/stdc++.h"
#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
int dp[20][1<<20];
vector<int>adj[1024];
int a[20],b[20];
int rec(int pos,int mask){
	if(pos<0)
		return 1;
	int &ret=dp[pos][mask];
	if(~ret)
		return ret;
	tr(it,adj[a[pos]])	
		if(!(mask&(*it)) and rec(pos-1,mask^(*it)))
			return ret=1;
	/*
	for(int sub=mask;sub;--sub,sub&=mask)
		if(cost[sub]==a[pos] and rec(pos-1,mask^sub))
			return ret=1;
	*/
	return ret=0;	
}
int main(){
  //  freopen("file.in", "r", stdin);
	int n,m;
	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>>j&1)
				sum+=b[j];
		if(sum<=1000)
			adj[sum].pb(i);
	}
	memset(dp,-1,sizeof dp);
	if(rec(n-1,0))
		puts("YES");
	else
		puts("NO");
	return 0;
}

Compilation message

bank.cpp: In function 'int main()':
bank.cpp:42:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   42 |  scanf("%d%d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~
bank.cpp:44:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   44 |   scanf("%d",a+i);
      |   ~~~~~^~~~~~~~~~
bank.cpp:46:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   46 |   scanf("%d",b+i);
      |   ~~~~~^~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 82412 KB Output is correct
2 Correct 38 ms 82412 KB Output is correct
3 Correct 39 ms 82412 KB Output is correct
4 Correct 41 ms 82668 KB Output is correct
5 Correct 112 ms 89068 KB Output is correct
6 Correct 39 ms 82412 KB Output is correct
7 Correct 39 ms 82412 KB Output is correct
8 Correct 108 ms 88044 KB Output is correct
9 Correct 108 ms 88428 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 82412 KB Output is correct
2 Correct 38 ms 82412 KB Output is correct
3 Correct 40 ms 82412 KB Output is correct
4 Correct 40 ms 82412 KB Output is correct
5 Correct 39 ms 82412 KB Output is correct
6 Correct 39 ms 82412 KB Output is correct
7 Correct 40 ms 82456 KB Output is correct
8 Correct 39 ms 82412 KB Output is correct
9 Correct 39 ms 82412 KB Output is correct
10 Correct 38 ms 82412 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 82412 KB Output is correct
2 Correct 40 ms 82412 KB Output is correct
3 Correct 41 ms 82412 KB Output is correct
4 Correct 40 ms 82540 KB Output is correct
5 Correct 41 ms 82540 KB Output is correct
6 Correct 39 ms 82412 KB Output is correct
7 Correct 40 ms 82412 KB Output is correct
8 Correct 40 ms 82412 KB Output is correct
9 Correct 40 ms 82412 KB Output is correct
10 Correct 40 ms 82412 KB Output is correct
11 Correct 41 ms 82540 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 82412 KB Output is correct
2 Correct 38 ms 82412 KB Output is correct
3 Correct 39 ms 82412 KB Output is correct
4 Correct 41 ms 82668 KB Output is correct
5 Correct 112 ms 89068 KB Output is correct
6 Correct 39 ms 82412 KB Output is correct
7 Correct 39 ms 82412 KB Output is correct
8 Correct 108 ms 88044 KB Output is correct
9 Correct 108 ms 88428 KB Output is correct
10 Correct 39 ms 82412 KB Output is correct
11 Correct 38 ms 82412 KB Output is correct
12 Correct 40 ms 82412 KB Output is correct
13 Correct 40 ms 82412 KB Output is correct
14 Correct 39 ms 82412 KB Output is correct
15 Correct 39 ms 82412 KB Output is correct
16 Correct 40 ms 82456 KB Output is correct
17 Correct 39 ms 82412 KB Output is correct
18 Correct 39 ms 82412 KB Output is correct
19 Correct 38 ms 82412 KB Output is correct
20 Correct 39 ms 82412 KB Output is correct
21 Correct 40 ms 82412 KB Output is correct
22 Correct 41 ms 82412 KB Output is correct
23 Correct 40 ms 82540 KB Output is correct
24 Correct 41 ms 82540 KB Output is correct
25 Correct 39 ms 82412 KB Output is correct
26 Correct 40 ms 82412 KB Output is correct
27 Correct 40 ms 82412 KB Output is correct
28 Correct 40 ms 82412 KB Output is correct
29 Correct 40 ms 82412 KB Output is correct
30 Correct 41 ms 82540 KB Output is correct
31 Correct 108 ms 87916 KB Output is correct
32 Correct 109 ms 88172 KB Output is correct
33 Correct 102 ms 83180 KB Output is correct
34 Correct 101 ms 82540 KB Output is correct
35 Correct 101 ms 82432 KB Output is correct
36 Correct 100 ms 82412 KB Output is correct
37 Correct 101 ms 82540 KB Output is correct
38 Correct 106 ms 82668 KB Output is correct
39 Correct 108 ms 87360 KB Output is correct
40 Correct 103 ms 84076 KB Output is correct
41 Correct 103 ms 83032 KB Output is correct
42 Correct 115 ms 88044 KB Output is correct
43 Correct 104 ms 84204 KB Output is correct
44 Correct 102 ms 82412 KB Output is correct
45 Correct 111 ms 88556 KB Output is correct
46 Correct 106 ms 85484 KB Output is correct
47 Correct 102 ms 82540 KB Output is correct
48 Correct 110 ms 88172 KB Output is correct
49 Correct 111 ms 88428 KB Output is correct
50 Correct 110 ms 87348 KB Output is correct
51 Correct 127 ms 88300 KB Output is correct
52 Correct 216 ms 87368 KB Output is correct
53 Correct 109 ms 87252 KB Output is correct
54 Correct 108 ms 87348 KB Output is correct
55 Correct 110 ms 87476 KB Output is correct
56 Correct 110 ms 87348 KB Output is correct
57 Correct 134 ms 87348 KB Output is correct
58 Correct 108 ms 87348 KB Output is correct