Submission #1068270

#	Time	Username	Problem	Language	Result	Execution time	Memory
1068270		vjudge1	Bank (IZhO14_bank)	C++17	0 / 100	59 ms	596 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 a[N],b[N],dp[N*20];
void solve(){
    ll n,m;
    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];
        }
        dp[s]++;
    }
    sort(a+1,a+n+1);
    for(ll i=1;i<=n;i++){
        if(!dp[a[i]]){ cout<<"NO"; return;}
        for(ll x=a[i];x<=2e4;x++) dp[x]-=dp[x-a[i]];
    }
    cout<<"YES";
}
int main(/*Aldk*/){
    ios_base::sync_with_stdio(false);  cin.tie(NULL);
    freopen("bank.in", "r", stdin);
    freopen("bank.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;
}

Compilation message (stderr)

bank.cpp: In function 'int main()':
bank.cpp:65:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |     freopen("bank.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:66:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |     freopen("bank.out ", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

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