結果
| 問題 |
No.1279 Array Battle
|
| コンテスト | |
| ユーザー |
nazcazcan
|
| 提出日時 | 2020-11-06 21:27:32 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 69 ms / 2,000 ms |
| コード長 | 3,208 bytes |
| コンパイル時間 | 4,032 ms |
| コンパイル使用メモリ | 233,264 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-07-22 12:11:17 |
| 合計ジャッジ時間 | 4,421 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 20 |
ソースコード
constexpr bool isDebugMode = false;
int testcase = 1;
#include <bits/stdc++.h>
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#endif
using namespace std;
typedef long long ll;
typedef pair<long long, long long> P;
struct edge{long long to,cost;};
const int inf = 1 << 27;
const long long INF = 1LL << 60;
const int COMBMAX = 1001001;
const long long MOD = 1000000007; //998244353;
const long long dy[] = {-1, 0, 0, 1};
const long long dx[] = {0, -1, 1, 0};
const string abc = "abcdefghijklmnopqrstuvwxyz";
#define rep(i, n) for(int i = 0; i < (n); ++i)
#define eachdo(v, e) for (const auto &e : (v))
#define all(v) (v).begin(), (v).end()
#define lower_index(v, e) (long long)distance((v).begin(), lower_bound((v).begin(), (v).end(), e))
#define upper_index(v, e) (long long)distance((v).begin(), upper_bound((v).begin(), (v).end(), e))
long long mpow(long long a, long long n, long long mod = MOD){long long res = 1; while(n > 0){if(n & 1)res = res * a % mod; a = a * a % mod; n >>= 1;} return res;}
void pt(){cout << endl; return;}
template<class Head> void pt(Head&& head){cout << head; pt(); return;}
template<class Head, class... Tail> void pt(Head&& head, Tail&&... tail){cout << head << " "; pt(forward<Tail>(tail)...);}
void dpt(){if(!isDebugMode) return; cout << endl; return;}
template<class Head> void dpt(Head&& head){if(!isDebugMode) return; cout << head; pt(); return;}
template<class Head, class... Tail> void dpt(Head&& head, Tail&&... tail){if(!isDebugMode) return; cout << head << " "; pt(forward<Tail>(tail)...);}
template<class T> void enu(T v){rep(i, v.size()) cout << v[i] << " " ; cout << endl;}
template<class T> void enu2(T v){rep(i, v.size()){rep(j, v[i].size()) cout << v[i][j] << " " ; cout << endl;}}
template<class T> void debug(T v){if(!isDebugMode) return; rep(i, v.size()) cout << v[i] << " " ; cout << endl;}
template<class T> void debug2(T v){if(!isDebugMode) return; rep(i, v.size()){rep(j, v[i].size()) cout << v[i][j] << " " ; cout << endl;}}
template<class T1, class T2> inline bool chmin(T1 &a, T2 b){if(a > b){a = b; return true;} return false;}
template<class T1, class T2> inline bool chmax(T1 &a, T2 b){if(a < b){a = b; return true;} return false;}
template<class T1, class T2> long long recgcd(T1 a, T2 b){return a % b ? recgcd(b, a % b) : b;}
bool valid(long long H, long long W, long long h, long long w) { return 0 <= h && h < H && 0 <= w && w < W; }
void solve();
int main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(15);
// cin >> testcase;
while(testcase--) solve();
return 0;
}
ll f(vector<ll> o, vector<ll> a, vector<ll> b)
{
ll N = a.size();
ll ret = 0;
rep(i, N){
if(a[o[i]] > b[i]) ret += a[o[i]] - b[i];
}
return ret;
}
void solve(){
ll N; cin >> N;
vector<ll> a(N); rep(i, N) cin >> a[i];
vector<ll> b(N); rep(i, N) cin >> b[i];
vector<ll> o(N);
rep(i, N) o[i] = i;
ll ans = 0;
do{
chmax(ans, f(o, a, b));
}while(next_permutation(all(o)));
ll ret = 0;
rep(i, N) o[i] = i;
do{
if (ans == f(o, a, b)) ret++;
}while(next_permutation(all(o)));
pt(ret);
}
nazcazcan