結果
| 問題 | No.505 カードの数式2 | 
| コンテスト | |
| ユーザー |  | 
| 提出日時 | 2017-04-21 22:59:54 | 
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) | 
| 結果 | 
                                AC
                                 
                             | 
| 実行時間 | 2 ms / 2,000 ms | 
| コード長 | 1,224 bytes | 
| コンパイル時間 | 802 ms | 
| コンパイル使用メモリ | 93,060 KB | 
| 実行使用メモリ | 6,820 KB | 
| 最終ジャッジ日時 | 2024-11-14 07:18:55 | 
| 合計ジャッジ時間 | 1,617 ms | 
| ジャッジサーバーID (参考情報) | judge1 / judge2 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 29 | 
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 main.cpp:10:
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:61:10:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:202:25: warning: 'ma' may be used uninitialized [-Wmaybe-uninitialized]
  202 |       { return _M_insert(__n); }
      |                ~~~~~~~~~^~~~~
main.cpp: In function 'int main()':
main.cpp:43:17: note: 'ma' was declared here
   43 |         int n,a,ma,mi;
      |                 ^~
            
            ソースコード
#include<map>
#include<set>
#include<list>
#include<cmath>
#include<queue>
#include<stack>
#include<cstdio>
#include<string>
#include<vector>
#include<complex>
#include<cstdlib>
#include<cstring>
#include<numeric>
#include<sstream>
#include<iostream>
#include<algorithm>
#include<functional>
 
#define mp       make_pair
#define pb       push_back
#define all(x)   (x).begin(),(x).end()
#define YES() printf("YES\n")
#define NO() printf("NO\n")
 
using namespace std;
 
#define int long long
//typedef    long long          ll;
typedef    unsigned long long ull;
typedef    vector<bool>       vb;
typedef    vector<int>        vi;
typedef    vector<vb>         vvb;
typedef    vector<vi>         vvi;
typedef    pair<int,int>      P;
 
const int INF=1e+9;
const double EPS=1e-9;
const int MOD=1000000007;
 
const int dx[]={1,0,-1,0},dy[]={0,-1,0,1};
signed main(){
	int n,a,ma,mi;
	cin >> n;
	for(int i = 0;i < n;i++) {
		cin >> a;
		if(!i){
			ma = a;
			mi = a;
		}else{
			int x = ma,y = mi;
			ma = max({x + a,x - a,y + a,y - a,x * a,y * a});
			mi = min({x + a,x - a,y + a,y - a,x * a,y * a});
			if(a){
				ma = max({ma,x / a,y / a});
				mi = min({mi,x / a,y / a});
			} 
			
		}
	}
	cout << ma << endl;
	return 0;
}
            
            
            
        