Submission #173484

#	Time	Username	Problem	Language	Result	Execution time	Memory
173484		tourist	Bank (IZhO14_bank)	C++14	19 / 100	76 ms	4524 KiB

bank

#include <iostream>
#include <vector>

using namespace std;

#define ll long long
#define sz(x) (int)x.size()
#define pii pair < int, int >
#define endl "\n"
#define METH ios::sync_with_stdio(0); cin.tie(0);
#define BEGIN cout << "BEGIN" << endl;
#define END cout << "END" << endl;

const int mod = 1e9 + 7;															/// ANOTHER HASH MOD: 228228227
const int prime = 29;																	/// ANOTHER HASH PRIME: 997
const int INF = ((long long) 0xCAFEBABE - 1e9 - 4e8);

int n, m;
vector < int > done;
vector < int > a, b, dp;

inline void read() {
	scanf("%d %d", &n, &m);
	a.resize(n);
	b.resize(m);
	done.resize(2000);
	dp.resize(1 << m);
	for (int i = 0; i < n; i++) {
		scanf("%d", &a[i]);
		done[a[i]]++;
	}
	for (int i = 0; i < m; i++) {
		scanf("%d", &b[i]);
	}
}

inline int solve() {
	for (int i = 0; i < (1 << m); i++) {
		int sum = 0;
		for (int j = 0; j < m; j++) {
			if (i >> j & 1) {
				sum += b[j];
			}
		}
		if (done[sum]) {
			return cout << "YES" << endl, 0;
		}
	}

	cout << "NO" << endl;
}

int main() {
	int t = 1;
	while (t--) {
		read();
		solve();
	}
}

Compilation message (stderr)

bank.cpp: In function 'void read()':
bank.cpp:23:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~
bank.cpp:29:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~
bank.cpp:33:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &b[i]);
   ~~~~~^~~~~~~~~~~~~
bank.cpp: In function 'int solve()':
bank.cpp:51:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

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