結果
| 問題 | No.2806 Cornflake Man |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-07-12 21:54:13 |
| 言語 | C++17 (gcc 15.2.0 + boost 1.90.0) |
| 結果 |
AC
|
| 実行時間 | 212 ms / 2,000 ms |
| コード長 | 1,102 bytes |
| 記録 | |
| コンパイル時間 | 1,252 ms |
| コンパイル使用メモリ | 229,808 KB |
| 実行使用メモリ | 23,720 KB |
| 最終ジャッジ日時 | 2026-07-05 03:40:53 |
| 合計ジャッジ時間 | 3,338 ms |
|
ジャッジサーバーID (参考情報) |
judge2_0 / judge1_0 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 17 |
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:15:37: warning: ignoring return value of 'std::basic_ostream<_CharT, _Traits>* std::basic_ios<_CharT, _Traits>::tie() const [with _CharT = char; _Traits = std::char_traits<char>]', declared with attribute 'nodiscard' [-Wunused-result]
15 | ios::sync_with_stdio(0); cin.tie();
| ~~~~~~~^~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/ios:48,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/istream:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/sstream:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/complex:50,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/x86_64-pc-linux-gnu/bits/stdc++.h:141,
from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/bits/basic_ios.h:310:7: note: declared here
310 | tie() const
| ^~~
ソースコード
#include <bits/stdc++.h>
//#include <atcoder/all>
using ll = long long;
#define MOD 1000000007
#define Mod 998244353
const int MAX = 1000000005;
const long long INF = 1000000000000000005LL;
using namespace std;
//using namespace atcoder;
#define MOD 1000000007
int main() {
ios::sync_with_stdio(0); cin.tie();
int N, M;
cin >> N >> M;
vector<int> A(N);
for (int i = 0; i < N; i++) cin >> A[i];
set<int> se;
for (int i = 0; i < N; i++) se.insert(A[i]);
sort(A.begin(), A.end());
map<int, int> mp;
vector<int> ans;
for (int i = 1; i < N; i++) {
if (mp.count(A[i])) continue;
mp[A[i]] = 1;
ans.push_back(A[i]);
for (int j = 2*A[i]; j <= M; j += A[i]) {
if (!se.count(j)) {
cout << -1 << endl;
return 0;
}
if (mp.count(j)) continue;
mp[j] = 1;
}
}
sort(ans.begin(), ans.end());
cout << ans.size() << endl;
for (int i = 0; i < (int)ans.size(); i++) {
cout << ans[i] << (i+1 == (int)ans.size() ? "\n" : " ");
}
}