結果
| 問題 | No.420 mod2漸化式 |
| コンテスト | |
| ユーザー |
okayunonaha
|
| 提出日時 | 2016-09-18 03:34:36 |
| 言語 | C++11 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 438 bytes |
| 記録 | |
| コンパイル時間 | 379 ms |
| コンパイル使用メモリ | 71,648 KB |
| 実行使用メモリ | 7,972 KB |
| 最終ジャッジ日時 | 2026-05-12 07:31:37 |
| 合計ジャッジ時間 | 1,836 ms |
|
ジャッジサーバーID (参考情報) |
tmp-judge_0 / judge3_0 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 31 WA * 1 RE * 3 |
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/iostream:43,
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:21:27:
/home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/ostream.h:212:25: warning: 'nsum' may be used uninitialized [-Wmaybe-uninitialized]
212 | { return _M_insert(__n); }
| ~~~~~~~~~^~~~~
main.cpp: In function 'int main()':
main.cpp:17:17: note: 'nsum' was declared here
17 | int x, Count, nsum;
| ^~~~
ソースコード
#include <iostream>
using namespace std;
typedef long long ll;
#define int ll
// start
int comb[32][32];
int C(int n, int k) {
if(comb[n][k]) return comb[n][k];
else if(n == k || !k) return comb[n][k] = 1;
return comb[n][k] = C(n-1, k) + C(n-1, k-1);
}
//end
signed main(void) {
int x, Count, nsum;
cin >> x;
Count = C(31, x);
if(x!=0) nsum = C(30, x-1) * 2147483647;
cout << Count << " " << nsum << endl;
return 0;
}
okayunonaha