結果
| 問題 | No.480 合計 |
| コンテスト | |
| ユーザー |
fal_rnd
|
| 提出日時 | 2017-02-10 22:20:55 |
| 言語 | C++11 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 239 bytes |
| 記録 | |
| コンパイル時間 | 822 ms |
| コンパイル使用メモリ | 175,464 KB |
| 実行使用メモリ | 6,400 KB |
| 最終ジャッジ日時 | 2026-05-25 03:10:51 |
| 合計ジャッジ時間 | 1,714 ms |
|
ジャッジサーバーID (参考情報) |
judge2_0 / judge3_0 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 22 |
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:10:44: 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]
10 | ios::sync_with_stdio(false);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;
const char en = '\n';
using ll = long long;
using ull = unsigned long long;
int main(){
ios::sync_with_stdio(false);cin.tie();
int i;
cin>>i;
cout<<i*(i+1)/2<<en;
return 0;
}
fal_rnd