제출 #1325757

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1325757		ulvix	은행 (IZhO14_bank)	C++20	100 / 100	106 ms	23816 KiB

bank

// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
#ifdef ULVI
    #include "debug.hpp"
#else
    #define db(...)
    #define dbv(v)
    #define line()
#endif
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define ff first
#define ss second
#define enld endl
using namespace std;
using namespace __gnu_pbds;
typedef int ll;
typedef pair<ll,ll> pll;
const ll sz=2e5+100;
const ll lg=20;
const ll mod=1e9+7;
const ll inf=1e18;
template<class T>
using indexed_set=tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

void solve(){
    ll n,m;
    cin>>n>>m;
    vector<ll> a(n),b(m);
    for(ll i=0;i<n;i++) cin>>a[i];
    for(ll i=0;i<m;i++) cin>>b[i];
    sort(all(a));
    vector<ll> sum((1<<m)+5);
    for(ll i=1;i<(1<<m);i++){
        ll d=__builtin_ctzll(i);
        sum[i]=sum[i^(1<<d)]+b[d];
    }
    vector<vector<ll>> mp(sz);
    for(ll i=0;i<(1<<m);i++) mp[sum[i]].push_back(i);
    vector<ll> cur;
    cur.push_back(0);
    for(ll i=0;i<n;i++){
        sort(all(cur));
        cur.erase(unique(all(cur)),cur.end());
        vector<ll> nxt;
        for(ll mask1:cur){
            for(ll mask2:mp[a[i]]){
                if(mask1&mask2) continue; 
                nxt.push_back(mask1|mask2);
            }
        }
        swap(nxt,cur);
    }
    if(cur.empty()) cout<<"NO\n";
    else cout<<"YES\n";
}

int main(){
    // freopen("input.txt","r",stdin);
    // freopen("output.txt","w",stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll t=1;
    // cin>>t;
    for(ll _=1;_<=t;_++){
        // cout<<"Scenario #"<<_<<":\n";
        solve();
    }
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp:25:14: warning: overflow in conversion from 'double' to 'll' {aka 'int'} changes value from '1.0e+18' to '2147483647' [-Woverflow]
   25 | const ll inf=1e18;
      |              ^~~~

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