結果
| 問題 | No.526 フィボナッチ数列の第N項をMで割った余りを求める |
| コンテスト | |
| ユーザー |
stone_725
|
| 提出日時 | 2017-06-09 22:33:32 |
| 言語 | C++11 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 32 ms / 2,000 ms |
| コード長 | 392 bytes |
| 記録 | |
| コンパイル時間 | 1,137 ms |
| コンパイル使用メモリ | 173,440 KB |
| 実行使用メモリ | 6,400 KB |
| 最終ジャッジ日時 | 2026-04-10 21:39:12 |
| 合計ジャッジ時間 | 2,397 ms |
|
ジャッジサーバーID (参考情報) |
judge3_0 / judge2_1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 12 |
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:25:10: 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]
25 | cin.tie();
| ~~~~~~~^~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ios:48,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/istream:42,
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:
/home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/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"
using namespace std;
static long long dp[3] = {0, 1};
static void solve()
{
int n, m;
cin >> n >> m;
for(int i = 2; i < n; i++) {
dp[2] = dp[1] + dp[0];
dp[2] %= m;
dp[0] = dp[1];
dp[1] = dp[2];
}
if (n <= 2) cout << dp[n - 1] % m << "\n";
cout << dp[2] << "\n";
}
int main()
{
ios::sync_with_stdio(false);
cin.tie();
solve();
}
stone_725