結果
| 問題 | No.1674 Introduction to XOR |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2022-01-18 18:25:33 |
| 言語 | C++14 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 1,000 ms |
| コード長 | 752 bytes |
| 記録 | |
| コンパイル時間 | 941 ms |
| コンパイル使用メモリ | 178,776 KB |
| 実行使用メモリ | 6,400 KB |
| 最終ジャッジ日時 | 2026-05-17 06:30:19 |
| 合計ジャッジ時間 | 2,182 ms |
|
ジャッジサーバーID (参考情報) |
judge1_0 / judge2_0 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 21 |
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ostream:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/istream:43,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/sstream:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/complex:50,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ccomplex:43,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/x86_64-pc-linux-gnu/bits/stdc++.h:133,
from main.cpp:1:
In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]',
inlined from 'int32_t main()' at main.cpp:35:13:
/home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/ostream.h:212:25: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized]
212 | { return _M_insert(__n); }
| ~~~~~~~~~^~~~~
main.cpp: In function 'int32_t main()':
main.cpp:20:9: note: 'ans' was declared here
20 | int ans;
| ^~~
ソースコード
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define oo (int)(1e17)
int32_t main() {
cin.sync_with_stdio(false);
cin.tie(0); cout.tie(0);
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("out1.txt", "w", stdout);
#endif
int n;
cin >> n;
int a[n + 3];
for (int i = 1; i <= n; i++) {
cin >> a[i];
}
int ans;
for (int i = 0; i <= 63; i++) {
int curr = (1ll << i);
int ch = 0;
for (int j = 1; j <= n; j++) {
if ((curr ^ a[j]) != (curr + a[j])) {
ch = 1;
break;
}
}
if (ch == 0) {
ans = curr;
break;
}
}
cout << ans;
}