結果

問題 No.999 てん vs. ほむ
ユーザー gg_hatano
提出日時 2020-03-09 13:08:23
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 470 bytes
コンパイル時間 1,560 ms
コンパイル使用メモリ 167,884 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-11-07 20:58:18
合計ジャッジ時間 4,415 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample WA * 3
other WA * 20
権限があれば一括ダウンロードができます
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 int) [with _CharT = char; _Traits = std::char_traits<char>]',
    inlined from 'int main()' at main.cpp:30:11:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:167:25: warning: 'score' may be used uninitialized [-Wmaybe-uninitialized]
  167 |       { return _M_insert(__n); }
      |                ~~~~~~~~~^~~~~
main.cpp: In function 'int main()':
main.cpp:16:8: note: 'score' was declared here
   16 |   long score;
      |        ^~~~~

ソースコード

diff # 

#include<bits/stdc++.h>
using namespace std;


int main(){
  long n;
  cin >> n;
  vector<long> v(2*n);

  for(int i = 0; i < 2*n; i++){
    cin >> v.at(i);
  }

  int left = 0;
  int right = 2 * n -1;
  long score;

  for(int i = 0; i < n; i++){
    long l = v.at(left) - v.at(left + 1);
    long r = v.at(right) - v.at(right -1);

    if(r >= l){
      score += r;
      right -= 2;
    } else {
      score += l;
      left += 2;
    }
  }
  cout << score << endl;

}
0