結果
問題 | No.245 貫け! |
ユーザー | is_eri23 |
提出日時 | 2015-10-13 13:14:31 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 12 ms / 5,000 ms |
コード長 | 3,076 bytes |
コンパイル時間 | 1,426 ms |
コンパイル使用メモリ | 161,128 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-21 07:28:28 |
合計ジャッジ時間 | 2,387 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 6 ms
5,376 KB |
testcase_12 | AC | 12 ms
5,376 KB |
testcase_13 | AC | 12 ms
5,376 KB |
testcase_14 | AC | 12 ms
5,376 KB |
testcase_15 | AC | 12 ms
5,376 KB |
testcase_16 | AC | 12 ms
5,376 KB |
testcase_17 | AC | 12 ms
5,376 KB |
testcase_18 | AC | 12 ms
5,376 KB |
testcase_19 | AC | 12 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> #define EPS 1e-9 #define INF 1070000000LL #define MOD 1000000007LL #define fir first #define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++) #define numa(x,a) for(auto x: a) #define ite iterator #define mp make_pair #define rep(i,n) rep2(i,0,n) #define rep2(i,m,n) for(int i=m;i<(n);i++) #define pb push_back #define pf push_front #define sec second #define sz(x) ((int)(x).size()) #define ALL( c ) (c).begin(), (c).end() #define gcd(a,b) __gcd(a,b) #define mem(x,n) memset(x,n,sizeof(x)) #define endl "\n" using namespace std; template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){} template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t); deploy<POS + 1, TUPLE, Ts...>(os, t); } template <class T,class U> std::ostream& operator<<(std::ostream &os, std::pair<T,U> &p){ os << "(" << p.first <<", " << p.second <<")";return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; } #define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; } #define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); } #define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); } #define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); } using ll = long long; int N; pair <int,int> p1[110]; pair <int,int> p2[110]; int cross(int i, double l, double m){ double y1 = l * p1[i].fir + m; double y2 = l * p2[i].fir + m; return (y1 - p1[i].sec) * (y2 - p2[i].sec) <= EPS; } int calc(pair <int,int> a, pair <int,int> b){ if (a.fir > b.fir) { swap(a,b); } int ret = 0; if (a.fir != b.fir) { double l = 0; double m = 0; l = (double) (b.sec - a.sec) / (b.fir - a.fir); m = a.sec - l * a.fir; rep(i,N){ ret += cross(i,l,m); } }else{ rep(i,N){ ret += p1[i].fir <= a.fir + EPS && a.fir <= p2[i].fir + EPS; } } return ret; } int main() { cin.tie(0); ios_base::sync_with_stdio(0); cin >> N; rep(i,N){ cin >> p1[i].fir >> p1[i].sec; cin >> p2[i].fir >> p2[i].sec; if (p1[i].fir > p2[i].fir) { swap(p1[i],p2[i]); } } int ans = 0; rep(i,N){ rep(j,N){ ans = max(ans, calc(p1[i],p2[j])); if (i != j) { ans = max(ans, calc(p1[i],p1[j])); ans = max(ans, calc(p2[i],p2[j])); } } } cout << ans << endl; return 0; }