結果

問題 No.1279 Array Battle
ユーザー chocopuu
提出日時 2020-11-09 04:03:26
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 23 ms / 2,000 ms
コード長 1,205 bytes
コンパイル時間 4,323 ms
コンパイル使用メモリ 256,852 KB
最終ジャッジ日時 2025-01-15 21:49:22
ジャッジサーバーID
（参考情報） 		judge3 / judge2
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ファイルパターン 結果
other AC * 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 /usr/include/c++/13/istream:41,
                 from /usr/include/c++/13/sstream:40,
                 from /usr/include/c++/13/complex:45,
                 from /usr/include/c++/13/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:127,
                 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 ‘void out(T) [with T = long long int]’ at main.cpp:13:44,
    inlined from ‘int main()’ at main.cpp:40:5:
/usr/include/c++/13/ostream:204:25: warning: ‘ans’ may be used uninitialized [-Wmaybe-uninitialized]
  204 |       { return _M_insert(__n); }
      |                ~~~~~~~~~^~~~~
main.cpp: In function ‘int main()’:
main.cpp:36:24: note: ‘ans’ was declared here
   36 |         int ma = -INF, ans;
      |                        ^~~

ソースコード

diff # 

#include "bits/stdc++.h"
using namespace std;
#include "atcoder/all"
using namespace atcoder;
#define int long long
#define REP(i, n) for (int i = 0; i < (int)n; ++i)
#define RREP(i, n) for (int i = (int)n - 1; i >= 0; --i)
#define FOR(i, s, n) for (int i = s; i < (int)n; ++i)
#define RFOR(i, s, n) for (int i = (int)n - 1; i >= s; --i)
#define ALL(a) a.begin(), a.end()
#define IN(a, x, b) (a <= x && x < b)
template<class T>istream&operator >>(istream&is,vector<T>&vec){for(T&x:vec)is>>x;return is;}
template<class T>inline void out(T t){cout << t << "\n";}
template<class T,class... Ts>inline void out(T t,Ts... ts){cout << t << " ";out(ts...);}
template<class T>inline bool CHMIN(T&a,T b){if(a > b){a = b;return true;}return false;}
template<class T>inline bool CHMAX(T&a,T b){if(a < b){a = b;return true;}return false;}
constexpr int INF = 1e18;



signed main(){
	int N;
	cin >> N;
	vector<int> a(N), b(N);
	cin >> a >> b;
	vector<int> v(N);
	iota(ALL(v), 0);
	map<int, int> mp;
	do {
		int ans = 0;
		REP(i, N) {
			ans += max(0ll, a[v[i]] - b[i]);
		}
		mp[ans]++;
	} while(next_permutation(ALL(v)));
	int ma = -INF, ans;
	for(auto[key, val]: mp) {
		if(CHMAX(ma, key)) ans = val;
	}
	out(ans);
}
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