Submission #100489

#	Time	Username	Problem	Language	Result	Execution time	Memory
100489		AbduM	Bank (IZhO14_bank)	C++14	44 / 100	1053 ms	384 KiB

bank

/// In the name of GOD
/// I love my MOTHER
/// Only GOLD

#include <bits/stdc++.h>

#define sz(s)                   (ll)(s.size())
#define all(x)                  (x.begin(), x.end())
#define pb                      push_back
#define pf                      push_front
#define F                       first
#define S                       second
#define mp                      make_pair
#define ort1                    exit(0);
#define nl                      endl

#define rep(i, l, r)            for(int i = (l); i <= (r); ++i)
#define per(i, l, r)            for(int i = (l); i >= (r); --i)
#define TL                      clock() / (double)CLOCKS_PER_SEC
#define NFS                     ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef double db;
typedef long double ld;


const double pi = acos(-1.0);
const double eps = 1e-9;
const long long inf = 1e12 + 1;
const long long INF = 1e18 + 1;
const int mod = 1e9 + 7;
const int N = 5e5 + 7;

int n, m;
int a[N];
int b[N];
int cnt;
bool bl[N];

inline void rec(int v = 1) {
    if (v > m) {
        rep(i, 1, n) {
            if (a[i] > 0) return;
        }
        cout << "YES";
        exit(0);
        return;
    }
    rep(i, 1, n) {
        if (a[i] >= b[v]) {
            a[i] -= b[v];
            rec(v + 1);
            a[i] += b[v];
        }
    }
    rec(v + 1);
}

int main(){
    NFS
    #ifdef ioi
        freopen("in.txt", "r", stdin);
    #else
        //freopen("bank.in", "r", stdin);
        //freopen("bank.out", "w", stdout);
    #endif

    cin >> n >> m;
    rep(i, 1, n){
        cin >> a[i];
    }

    rep(i, 1, m){
        cin >> b[i];
    }

    rec();
    cout << "NO";
    ort1
}

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