結果
問題 | No.1255 ハイレーツ・オブ・ボリビアン |
ユーザー | SSRS |
提出日時 | 2020-10-09 21:52:20 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,044 bytes |
コンパイル時間 | 2,370 ms |
コンパイル使用メモリ | 205,456 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-20 10:49:17 |
合計ジャッジ時間 | 3,243 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 3 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 3 ms
5,376 KB |
testcase_06 | AC | 3 ms
5,376 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | AC | 20 ms
5,376 KB |
testcase_09 | AC | 20 ms
5,376 KB |
testcase_10 | AC | 22 ms
5,376 KB |
testcase_11 | AC | 19 ms
5,376 KB |
testcase_12 | AC | 21 ms
5,376 KB |
testcase_13 | WA | - |
testcase_14 | AC | 34 ms
5,376 KB |
testcase_15 | AC | 21 ms
5,376 KB |
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/istream:39, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/sstream:38, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/complex:45, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ccomplex:39, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:54, 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 'int main()' at main.cpp:61:13: /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:202:25: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:54:15: note: 'ans' was declared here 54 | long long ans; | ^~~
ソースコード
#include <bits/stdc++.h> using namespace std; long long MOD; long long modpow(long long a, long long b){ long long ans = 1; while (b > 0){ if (b % 2 == 1){ ans *= a; ans %= MOD; } a *= a; a %= MOD; b /= 2; } return ans; } int euler_phi(int N){ vector<int> pf; int ans = N; for (int j = 2; j * j <= N; j++){ if (N % j == 0){ ans /= j; ans *= j - 1; while (N % j == 0){ N /= j; } } } if (N != 1){ ans /= N; ans *= N - 1; } return ans; } int main(){ int T; cin >> T; for (int i = 0; i < T; i++){ int N; cin >> N; int M = N * 2 - 1; MOD = M; int F = euler_phi(M); vector<int> fact; for (int j = 1; j * j <= F; j++){ if (F % j == 0){ fact.push_back(j); if (j * j < F){ fact.push_back(F / j); } } } sort(fact.begin(), fact.end()); long long ans; for (int x : fact){ if (modpow(2, x) == 1){ ans = x; break; } } cout << ans << endl; } }