Submission #738297

#	Time	Username	Problem	Language	Result	Execution time	Memory
738297		snowman	Bank (IZhO14_bank)	C++17	0 / 100	1 ms	468 KiB

bank

#include <bits/stdc++.h>
//Soltan Cristian
#define fri(a, b) for (int i = (a); i < (b); ++i)
#define frj(a, b) for(int j = a; j < b; j++)
#define frk(a, b) for(int k = a; k < b; k++)
#define frm(a, b, i) for(int i = b; i >= a; i--)
#define ll long long
#define all(x) x.begin(), x.end()
#define mod 1000000007
#define pb push_back
#define st first
#define nd second
#define sz(x) (ll)x.size()
#define rall(x) x.rbegin(), x.rend()
#define ct(x) cout << x
#define cts(x) cout << x << ' '
#define ctn(x) cout << x << '\n'
#define Y cout << "YES" << '\n'
#define N cout << "NO" << '\n'
using namespace std;
using vi = vector<int>;
using vl = vector<ll>;
using vs = vector<string>;
using vb = vector<bool>;
using ml = map<ll, ll>;
using vii = vector<vector<int>>;
using vll = vector<vector<ll>>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, 1, 0, -1};
template <typename T>void read(T n, vector<T> &a){fri(0, n){cin >> a[i];}}
template<typename T>void print(T n, T m, vector<vector<T>> &dp){fri(0, n){ct('\n');frj(0, m){ct(setw(5));cts(dp[i][j]);}}}



const int mxa = 1e9 + 1;
// string __fname = "exclusiv";  
// ifstream in(__fname + ".in"); 
// ofstream out (__fname + ".out"); 
// #define cin in 
// #define cout out
vi used(1001);
vi b;
int m;
bool d(int q){
    for(int i = 0; i < m; i++){
        if(b[i] == q){
            return true;
        }
        if(used[b[i]] && b[i] < q){
            used[b[i]]--;
            if(!d(q - b[i])){
                used[b[i]]++;
            }
            else return true;
        }
    }
}

void solve(){
	int n;
    cin >> n >> m;
    vi a(n);
    b.resize(m);
    fri(0, n){
        cin >> a[i];
    }
    fri(0, m){
        cin >> b[i];
        used[b[i]]++;
    }
    sort(rall(b));
    for(int i = 0; i < n; i++){
        if(!d(a[i])){
            N;
            return;
        }
    }
    Y;
}


int main()
{   
    ios_base::sync_with_stdio(0); cin.tie(0); ct(fixed); ct(setprecision(10)); 
    // int t;
    // cin >> t;
    // while(t--)
        solve();
    return 0;
}

Compilation message (stderr)

bank.cpp: In function 'bool d(int)':
bank.cpp:59:1: warning: control reaches end of non-void function [-Wreturn-type]
   59 | }
      | ^

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