Submission #1089126

#	Time	Username	Problem	Language	Result	Execution time	Memory
1089126		vjudge1	Bank (IZhO14_bank)	C++17	19 / 100	90 ms	348 KiB

bank

//#pragma GCC optimize ("O3")
//#pragma GCC target ("sse4")

#include <bits/stdc++.h>

#define ll long long
#define ld long double
#define ull unsigned long long
#define pb push_back	
#define pob pop_back
//#define int long long
#define int2 __int128_t
#define Shrek_Crush228 ios_base::sync_with_stdio(0), cin.tie(0);
#define F first
#define S second
#define FOR( i, x, n, d ) for( int i = x; i <= n; i += d )
#define FORR( i, x, n, d ) for( int i = x; i >= n; i -= d )
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define no cout << "NO\n"
#define yes cout << "YES\n"
#define nep next_permutation
#define sigma signed
#define pii pair <int, int> 

using namespace std;

string alp = "abcdefghijklmnopqrstuvwxyz";
string ae = "aoeiuy";
string nums = "123456789";

const int N = 1e3 + 123;
const int inf = 1e9;
const int MOD = 1e9 + 7;
const int MOD1 = 998244353;
const long long maxsum = 1e14;

int a[N], b[N], c[N], l, r, n, k, m, w, sum, sum1, y, ans1, mx = -inf, mn = inf, ind, ind1, pref[N], suf[N], nt[N];
string s, s1;

int cnt1, cnt2, cnt3;
vector <int> v;

void rec( int need, int i = 1, int sum = 0, string ss = "" )
{
	if( sum == need )
	{
		s = ss;
		return;
	}
	if( i > m ) return;
	
	if( !nt[i] ) rec( need, i + 1, sum + b[i], ss + '1' );
	rec( need, i + 1, sum, ss + '0' );
}
void solve()
{
	cin >> n >> m;
	
	FOR( i, 1, n, 1 ) cin >> a[i];
	FOR( i, 1, m, 1 ) cin >> b[i];
	
	FOR( i, 1, n, 1 )
	{
		s = "";
		rec( a[i] );
		
		if( s.size() == 0 )
		{
			cout << "NO";
			return;
		}
		FOR( pos, 0, s.size() - 1, 1 )
		{
			if( s[pos] == '1' ) nt[pos] = 1;
		}
	}
	cout << "YES";
}
sigma main() 
{
	//freopen("rmq.in", "r", stdin);
	//freopen("rmq.out", "w", stdout);
	    
    Shrek_Crush228	
    
    int test = 1;
    
    if( !test ) cin >> test;
	
	while( test -- )
	{
		solve();
	}
}
// solved by KluydQ

Compilation message (stderr)

bank.cpp: In function 'void solve()':
bank.cpp:16:45: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 | #define FOR( i, x, n, d ) for( int i = x; i <= n; i += d )
......
   74 |   FOR( pos, 0, s.size() - 1, 1 )
      |        ~~~~~~~~~~~~~~~~~~~~                  
bank.cpp:74:3: note: in expansion of macro 'FOR'
   74 |   FOR( pos, 0, s.size() - 1, 1 )
      |   ^~~

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