제출 #973465

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
973465		amirujuz	은행 (IZhO14_bank)	C++14	0 / 100	5 ms	16732 KiB

bank

#include <bits/stdc++.h>
#define allr v.rbegin(), v.rend()
#define sllr s.rbegin(), s.rend()
#define all v.begin(), v.end()
#define sll s.begin(), s.end()
#define pii pair <int, int>
#define int long long
#define pb push_back
#define pp pop_back
#define sc second
#define fr first
using namespace std;
const int N=1e3+7, INT=1e6+7, X=2097152, INf=1e9+7, INF=INT64_MAX;
signed main() {
	ios_base::sync_with_stdio(false);
	cout.tie(NULL);
	cin.tie(NULL);
	int n, m, i, mask, sum;
	cin >> n >> m;
	vector <int> v(n), k(m), dp(X), p[n];
	map <int, int> mp;
	for (i=0; i<n; i++) {
		cin >> v[i];
	}
	for (i=0; i<m; i++) {
		cin >> k[i];
	}
	for (mask=0; mask < (1<<m); mask++) {
		sum=0;
		for (i=0; i<m; i++) {
			if (mask&(1<<i)) {
				sum+=k[i];
			}
		}
		for (i=0; i<n; i++) {
			if (v[i]==sum) p[i].pb(mask);
		}
	}
	for (i=1; i<X; i++) {
		dp[i]=-1;
	}
	for (i=0; i<n; i++) {
		for (mask=(1<<m)-1; mask>=0; mask--) {
			if (dp[mask] != -1){
				for (auto j: p[i]) {
					if (!mask&j) {
						dp[mask|j]=dp[mask]+1;
					}
					if (dp[mask|j]==n) {
						cout << "YES";
						return 0;
					}
				}	
			}
		}
	}
	cout << "NO";
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:46:10: warning: suggest parentheses around operand of '!' or change '&' to '&&' or '!' to '~' [-Wparentheses]
   46 |      if (!mask&j) {
      |          ^~~~~

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