結果
| 問題 | No.44 DPなすごろく |
| ユーザー |
ふう
|
| 提出日時 | 2015-02-07 13:09:30 |
| 言語 | C++11 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 5,000 ms |
| コード長 | 628 bytes |
| 記録 | |
| コンパイル時間 | 607 ms |
| コンパイル使用メモリ | 105,428 KB |
| 実行使用メモリ | 7,844 KB |
| 最終ジャッジ日時 | 2026-03-08 04:15:35 |
| 合計ジャッジ時間 | 1,224 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 20 |
コンパイルメッセージ
main.cpp: In function 'long long int fibo(int)':
main.cpp:36:20: warning: 'res' may be used uninitialized [-Wmaybe-uninitialized]
36 | return (res);
| ^
main.cpp:27:12: note: 'res' was declared here
27 | ll res;
| ^~~
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/iostream:43,
from main.cpp:3:
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:45:20:
/home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/ostream.h:212:25: warning: 'res' may be used uninitialized [-Wmaybe-uninitialized]
212 | { return _M_insert(__n); }
| ~~~~~~~~~^~~~~
main.cpp: In function 'int main()':
main.cpp:27:12: note: 'res' was declared here
27 | ll res;
| ^~~
ソースコード
#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES
#include <iostream>
#include <map>
#include <set>
#include <list>
#include <cstdio>
#include <cmath>
#include <cstring>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <queue>
#include <iomanip>
#define ll long long
#define SIZE 10001
using namespace std;
/* フィボナッチ数列 */
ll fibo(int n)
{
ll a = 0;
ll b = 1;
ll res;
int i;
if (n == 0 || n == 1) return (n);
for (i = 2; i <= n; i++) {
res = a + b;
a = b;
b = res;
}
return (res);
}
int main()
{
int N;
cin >> N;
cout << fibo(N + 1) << endl;
}
ふう