Submission #1068454

#	Time	Username	Problem	Language	Result	Execution time	Memory
1068454		Aldk	Bank (IZhO14_bank)	C++14	100 / 100	158 ms	24576 KiB

bank

#include<bits/stdc++.h>
#define pb push_back
#define pf push_front
//#define mp make_pair
#define F first
#define S second
#define ff first
#define ss second
#define str string
#define ll long long
#define ull unsigned ll
#define ld long double
#define pll pair<ll,ll>
#define plll pair<ll,pll>
#define pllll pair<pll,pll>
#define pld pair<ld,ld>
#define vl vector<ll>
#define vll vector<pll>
#define vlll vector<plll>
#define vllll vector<pllll>
#define vb vector<bool>
#define sz size()
#define fr front()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define bk back();
//#pragma GCC target( "sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")
using namespace std;
const ld pi=acos(-1.0);
const ll e5=1e5;
const ll e6=1e6;
const ll e9=1e9;
const ll inf=1e18;
const ll mod=1e9+7;
const ll mod2=998244353;
const ll MOD=106710087877475399;
const ll N=1e3+10;
ll bpm(ll x,ll y,ll m){if(y==0)return 1%m;if(y==1)return x%m;ll p=bpm(x,y/2,m);
if(y%2==0)return p*p%m;else return p*p%m*x%m;}
ll bp(ll x,ll y){if(y==0)return 1;if(y==1)return x;ll p=bp(x,y/2);
if(y%2==0)return p*p;else return p*p*x;}
ll n,m,a[N],b[N];
vl v[N];
bool mp[22][2*e6];
void f(ll i,ll x){
    if(mp[i][x]) return;
    mp[i][x]=1;
    if(i==n){
        cout<<"YES";
        exit(0);
    }
    for(ll y:v[a[i]]){
        if((x&y)==0){
            f(i+1,x+y);
        }
    }
}
void solve(){
    cin>>n>>m;
    for(ll i=0;i<n;i++) cin>>a[i];
    for(ll i=0;i<m;i++) cin>>b[i];
    for(ll x=0;x<(1<<m);x++){
        ll s=0;
        for(ll i=0;i<m;i++){
            if((1<<i)&x) s+=b[i];
        }
        if(s<=1e3) v[s].pb(x);
    }
    f(0,0);
    cout<<"NO";
    return;
}
int main(/*Aldk*/){
    ios_base::sync_with_stdio(false);  cin.tie(NULL);
    //freopen("01.in", "r", stdin);
    //freopen("01.out ", "w", stdout);
    //cout<<setprecision(6)<<fixed;
    ll test=1;
    //cin>>test;
    for(ll i=1;i<=test;i++){
        //cout<<"Case "<<i<<":\n";
        solve();
        //cout<<'\n';
    }
    return 0;
}

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