제출 #464454

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
464454		fuad27	Kitchen (BOI19_kitchen)	C++17	0 / 100	2 ms	332 KiB

kitchen

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define vii vector<pair<int, int>>
#define vi vector<int>
#define vl vector<long long>
#define vll vector<pair<long long, long long>>
#define mp make_pair
#define pb push_back
#define rep(i, a, b) for(int i = a;i<=b;i++)
#define f first
#define s second
#define FIO ios_base::sync_with_stdio(0);cin.tie(0);
#define start int tt;cin>>tt;rep(testcase, 1, tt)
#define print(k) cout<<"Case #"<<testcase<<": "<<k<<"\n";
#define endl "\n"
#define DEBUG(k) cerr<<k<<"\n";
void solve() {
	int n, m, k, sum = 0;
	cin >> n >> m >> k;
	int b[m], need = 0, tmp;
	rep(i, 0, n-1){
		cin>>tmp;need+=tmp;
	}
	rep(i, 0, m-1){
		cin>>b[i];
		sum+=b[i];
	}
	vector<bool> dp(sum+1, 0);
	dp[0] = 1;
	for(int k:b) {
		for(int i = sum;i>=k;i--) {
			if(dp[i-k] == 1)dp[i] = 1;
		}
	}
	int index = -1;
	for(int i = need;i<=sum;i++) {
		if(dp[i] == 1){
			index = i;
			break;
		}
	}
	if(index == -1)cout<<"Impossible"<<endl;
	else cout<<index - need<<endl;
}
int main () {
	#ifndef ONLINE_JUDGE
	freopen("stdin", "r", stdin);
	freopen("stdout", "w", stdout);
	freopen("stderr", "w", stderr);
	#endif
	int t = 1;
//	cin >> t;
	while(t--) {
		solve();
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

kitchen.cpp: In function 'int main()':
kitchen.cpp:49:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |  freopen("stdin", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:50:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |  freopen("stdout", "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:51:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |  freopen("stderr", "w", stderr);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 28