Submission #671869

#	Time	Username	Problem	Language	Result	Execution time	Memory
671869		ReLice	Bank (IZhO14_bank)	C++14	71 / 100	1085 ms	10964 KiB

bank

#include<bits/stdc++.h>
using namespace std;
#define endl "\n"
#define ll long long
#define ld long double
#define int long long
#define pb push_back
#define sz size()
#define fr first
#define sc second
void start(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
const int N=1e3+3;
vector <vector <ll>> dp(N);
vector <ll> v,v2;
ll n,m;
bool check(ll id,ll a){
    if(id==n) return true;
    for(auto i : dp[v[id]]){
        if((a^i)!=(a+i))continue;
        if(check(id+1,a^i)){
            return true;
        }
    }
    return false;
}
main(){
    start();
    ll i,j,b,mx=-1;
    cin>>n>>m;
    for(i=0;i<n;i++){
        cin>>b;
        v.pb(b);
        mx=max(mx,b);
    }
    ll c=1;
    dp[0].pb(0);
    for(i=0;i<m;i++){
        cin>>b;
        v2.pb(b);
        for(j=mx;j>=0;j--){
            if(dp[j].sz>0){
                for(auto i1 : dp[j]){
                    if(j+b<=mx) dp[j+b].pb(i1+c);
                }
            }
        }
        c*=2;
    }
    if(check(0,0)){
        cout<<"YES"<<endl;
    }
    else cout<<"NO"<<endl;
}

Compilation message (stderr)

bank.cpp:30:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   30 | main(){
      | ^~~~

• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 0 / 29