Submission #1127554

#	Time	Username	Problem	Language	Result	Execution time	Memory
1127554		byhtlm	Bank (IZhO14_bank)	C++20	100 / 100	133 ms	16828 KiB

bank

  /***********************************
██╗░░██╗████████╗██╗░░░░░███╗░░░███╗
██║░░██║╚══██╔══╝██║░░░░░████╗░████║
███████║░░░██║░░░██║░░░░░██╔████╔██║
██╔══██║░░░██║░░░██║░░░░░██║╚██╔╝██║
██║░░██║░░░██║░░░███████╗██║░╚═╝░██║
╚═╝░░╚═╝░░░╚═╝░░░╚══════╝╚═╝░░░░░╚═╝
***********************************/

//#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#include <unistd.h>

//#include "functions.h"

#define int l
#define f first
#define s second
#define endl '\n'
#define l long long
#define ara <<" "<<
#define pb push_back
#define pairs pair<l,l>
#define NO cout<<"NO"<<endl
#define stop system("pause")
#define YES cout<<"YES"<<endl
#define all(v) v.begin(),v.end()
#define yesno(v) ((v) ? "YES" : "NO")
#define dbg(x) cout<<#x<<" = "<<x<<endl;
#define filereader() ifstream cin(input);
#define fileprinter() ofstream cout(output);
#define fast ios_base::sync_with_stdio(NULL);cin.tie(NULL);cout.tie(NULL);


using namespace std;
using namespace __gnu_pbds;

typedef tree<int, null_type, less_equal<int> , rb_tree_tag, tree_order_statistics_node_update> indexed_set;

const l N = 2e5 + 5;
const l INF = 1e18;
const l mod = 1e9 + 7;

const string  input =  "input.txt";
const string output = "output.txt";

l gcd(l a, l b){
    if(b == 0){
        return a;
    }
    return gcd(b,a%b);
}

l binpow(l a, l b) {
    if (b == 0)
        return 1;

    l res = binpow(a, b / 2);

    if (b % 2)
        return ((res * res) % mod * a) % mod;
    else
        return (res * res) % mod;
}

l dp[1<<20][2];

void solve(){
    l n,m;
    cin>>n>>m;

    l a[n], b[m];

    for(int i = 0 ; i < n ; i++){
        cin>>a[i];
    }

    for(int i = 0 ; i < m ; i++){
        cin>>b[i];
    }

    /*

    2 6
    9 10
    5 4 8 6 3 7


    [mask][0] = maks_ind
    [mask][1] = last_place


    [00] = {0 , 5}
    [00] = {0 , 4}
    [01] = {0 , 9} => {1 , 0}
    [10] = {0 , 9} => {1 , 0}

    */
    l ans = 0;


    for(int i = 0; i < (1<<m);i++){

        for(int j  = 0; j < m ; j++){

            if((1 << j ) & i){
                continue;
            }
            {
                l nw = i | (1 << j);

                l t1 = dp[i][0];
                l t2 = dp[i][1] + b[j];

                //cout<<i<<" "<<t1<<" "<<t2<<endl;

                if(t1 == n){
                    break;
                }

                if(t2 > a[t1]){
                    continue;
                }
                if(t2 == a[t1]){
                    t1++;
                    t2 = 0;
                }
                ans = max(ans , t1);
                if(dp[nw][0] == t1 and dp[nw][1] == 0 ){
                    dp[nw][0] = t1;
                    dp[nw][1] = t2;
                }
                else if(dp[nw][0] < t1){
                    dp[nw][0] = t1;
                    dp[nw][1] = t2;
                }

            }

        }
    }

    if(ans == n){
        cout<<"YES"<<endl;
    }
    else{
        cout<<"NO"<<endl;
    }



}


signed main(){
    //fast;
    //srand(time(NULL));
    //system("color a");

    //const char* color = "color" + to_string(rand() % 10);


    l n = 1;
    //cin>>n;
    while(n--){
        solve();
    }

}

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