#411192 (C++17) No.960 マンハッタン距離3

• 問題: No.960 マンハッタン距離3
• ユーザー: %20
• 提出日時: 2019-12-22 15:39:13
• 言語: C++17 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 35 ms / 2,000 ms
• コード長: 1,691 bytes
• コンパイル時間: 2,192 ms
• コンパイル使用メモリ: 205,092 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-09-14 07:52:19
• 合計ジャッジ時間: 9,288 ms
• ジャッジサーバーID （参考情報）: judge6 / judge1

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	2 ms; 5,376 KB
testcase_11	AC	2 ms; 5,376 KB
testcase_12	AC	2 ms; 5,376 KB
testcase_13	AC	2 ms; 5,376 KB
testcase_14	AC	2 ms; 5,376 KB
testcase_15	AC	2 ms; 5,376 KB
testcase_16	AC	2 ms; 5,376 KB
testcase_17	AC	2 ms; 5,376 KB
testcase_18	AC	2 ms; 5,376 KB
testcase_19	AC	3 ms; 5,376 KB
testcase_20	AC	2 ms; 5,376 KB
testcase_21	AC	3 ms; 5,376 KB
testcase_22	AC	2 ms; 5,376 KB
testcase_23	AC	2 ms; 5,376 KB
testcase_24	AC	2 ms; 5,376 KB
testcase_25	AC	2 ms; 5,376 KB
testcase_26	AC	2 ms; 5,376 KB
testcase_27	AC	2 ms; 5,376 KB
testcase_28	AC	2 ms; 5,376 KB
testcase_29	AC	2 ms; 5,376 KB
testcase_30	AC	2 ms; 5,376 KB
testcase_31	AC	2 ms; 5,376 KB
testcase_32	AC	2 ms; 5,376 KB
testcase_33	AC	2 ms; 5,376 KB
testcase_34	AC	2 ms; 5,376 KB
testcase_35	AC	2 ms; 5,376 KB
testcase_36	AC	2 ms; 5,376 KB
testcase_37	AC	2 ms; 5,376 KB
testcase_38	AC	2 ms; 5,376 KB
testcase_39	AC	2 ms; 5,376 KB
testcase_40	AC	2 ms; 5,376 KB
testcase_41	AC	2 ms; 5,376 KB
testcase_42	AC	2 ms; 5,376 KB
testcase_43	AC	2 ms; 5,376 KB
testcase_44	AC	2 ms; 5,376 KB
testcase_45	AC	2 ms; 5,376 KB
testcase_46	AC	2 ms; 5,376 KB
testcase_47	AC	2 ms; 5,376 KB
testcase_48	AC	2 ms; 5,376 KB
testcase_49	AC	2 ms; 5,376 KB
testcase_50	AC	2 ms; 5,376 KB
testcase_51	AC	2 ms; 5,376 KB
testcase_52	AC	2 ms; 5,376 KB
testcase_53	AC	2 ms; 5,376 KB
testcase_54	AC	2 ms; 5,376 KB
testcase_55	AC	2 ms; 5,376 KB
testcase_56	AC	2 ms; 5,376 KB
testcase_57	AC	2 ms; 5,376 KB
testcase_58	AC	2 ms; 5,376 KB
testcase_59	AC	2 ms; 5,376 KB
testcase_60	AC	2 ms; 5,376 KB
testcase_61	AC	2 ms; 5,376 KB
testcase_62	AC	2 ms; 5,376 KB
testcase_63	AC	2 ms; 5,376 KB
testcase_64	AC	2 ms; 5,376 KB
testcase_65	AC	2 ms; 5,376 KB
testcase_66	AC	2 ms; 5,376 KB
testcase_67	AC	2 ms; 5,376 KB
testcase_68	AC	2 ms; 5,376 KB
testcase_69	AC	2 ms; 5,376 KB
testcase_70	AC	2 ms; 5,376 KB
testcase_71	AC	2 ms; 5,376 KB
testcase_72	AC	2 ms; 5,376 KB
testcase_73	AC	2 ms; 5,376 KB
testcase_74	AC	2 ms; 5,376 KB
testcase_75	AC	2 ms; 5,376 KB
testcase_76	AC	2 ms; 5,376 KB
testcase_77	AC	2 ms; 5,376 KB
testcase_78	AC	2 ms; 5,376 KB
testcase_79	AC	2 ms; 5,376 KB
testcase_80	AC	2 ms; 5,376 KB
testcase_81	AC	2 ms; 5,376 KB
testcase_82	AC	2 ms; 5,376 KB
testcase_83	AC	2 ms; 5,376 KB
testcase_84	AC	2 ms; 5,376 KB
testcase_85	AC	2 ms; 5,376 KB
testcase_86	AC	2 ms; 5,376 KB
testcase_87	AC	2 ms; 5,376 KB
testcase_88	AC	2 ms; 5,376 KB
testcase_89	AC	2 ms; 5,376 KB
testcase_90	AC	2 ms; 5,376 KB
testcase_91	AC	2 ms; 5,376 KB
testcase_92	AC	2 ms; 5,376 KB
testcase_93	AC	2 ms; 5,376 KB
testcase_94	AC	2 ms; 5,376 KB
testcase_95	AC	2 ms; 5,376 KB
testcase_96	AC	2 ms; 5,376 KB
testcase_97	AC	2 ms; 5,376 KB
testcase_98	AC	2 ms; 5,376 KB
testcase_99	AC	2 ms; 5,376 KB
testcase_100	AC	2 ms; 5,376 KB
testcase_101	AC	2 ms; 5,376 KB
testcase_102	AC	2 ms; 5,376 KB
testcase_103	AC	2 ms; 5,376 KB
testcase_104	AC	2 ms; 5,376 KB
testcase_105	AC	2 ms; 5,376 KB
testcase_106	AC	2 ms; 5,376 KB
testcase_107	AC	2 ms; 5,376 KB
testcase_108	AC	2 ms; 5,376 KB
testcase_109	AC	2 ms; 5,376 KB
testcase_110	AC	2 ms; 5,376 KB
testcase_111	AC	2 ms; 5,376 KB
testcase_112	AC	2 ms; 5,376 KB
testcase_113	AC	2 ms; 5,376 KB
testcase_114	AC	2 ms; 5,376 KB
testcase_115	AC	2 ms; 5,376 KB
testcase_116	AC	2 ms; 5,376 KB
testcase_117	AC	2 ms; 5,376 KB
testcase_118	AC	2 ms; 5,376 KB
testcase_119	AC	2 ms; 5,376 KB
testcase_120	AC	2 ms; 5,376 KB
testcase_121	AC	1 ms; 5,376 KB
testcase_122	AC	2 ms; 5,376 KB
testcase_123	AC	2 ms; 5,376 KB
testcase_124	AC	2 ms; 5,376 KB
testcase_125	AC	2 ms; 5,376 KB
testcase_126	AC	2 ms; 5,376 KB
testcase_127	AC	2 ms; 5,376 KB
testcase_128	AC	10 ms; 5,376 KB
testcase_129	AC	23 ms; 5,376 KB
testcase_130	AC	16 ms; 5,376 KB
testcase_131	AC	26 ms; 5,376 KB
testcase_132	AC	29 ms; 5,376 KB
testcase_133	AC	2 ms; 5,376 KB
testcase_134	AC	8 ms; 5,376 KB
testcase_135	AC	10 ms; 5,376 KB
testcase_136	AC	11 ms; 5,376 KB
testcase_137	AC	13 ms; 5,376 KB
testcase_138	AC	21 ms; 5,376 KB
testcase_139	AC	25 ms; 5,376 KB
testcase_140	AC	24 ms; 5,376 KB
testcase_141	AC	31 ms; 5,376 KB
testcase_142	AC	14 ms; 5,376 KB
testcase_143	AC	15 ms; 5,376 KB
testcase_144	AC	27 ms; 5,376 KB
testcase_145	AC	3 ms; 5,376 KB
testcase_146	AC	8 ms; 5,376 KB
testcase_147	AC	23 ms; 5,376 KB
testcase_148	AC	13 ms; 5,376 KB
testcase_149	AC	19 ms; 5,376 KB
testcase_150	AC	26 ms; 5,376 KB
testcase_151	AC	3 ms; 5,376 KB
testcase_152	AC	17 ms; 5,376 KB
testcase_153	AC	24 ms; 5,376 KB
testcase_154	AC	3 ms; 5,376 KB
testcase_155	AC	26 ms; 5,376 KB
testcase_156	AC	10 ms; 5,376 KB
testcase_157	AC	25 ms; 5,376 KB
testcase_158	AC	30 ms; 5,376 KB
testcase_159	AC	6 ms; 5,376 KB
testcase_160	AC	4 ms; 5,376 KB
testcase_161	AC	30 ms; 5,376 KB
testcase_162	AC	22 ms; 5,376 KB
testcase_163	AC	13 ms; 5,376 KB
testcase_164	AC	35 ms; 5,376 KB
testcase_165	AC	25 ms; 5,376 KB
testcase_166	AC	6 ms; 5,376 KB
testcase_167	AC	18 ms; 5,376 KB
testcase_168	AC	13 ms; 5,376 KB
testcase_169	AC	13 ms; 5,376 KB
testcase_170	AC	11 ms; 5,376 KB
testcase_171	AC	18 ms; 5,376 KB
testcase_172	AC	13 ms; 5,376 KB
testcase_173	AC	5 ms; 5,376 KB
testcase_174	AC	26 ms; 5,376 KB
testcase_175	AC	31 ms; 5,376 KB
testcase_176	AC	23 ms; 5,376 KB
testcase_177	AC	4 ms; 5,376 KB
testcase_178	AC	23 ms; 5,376 KB
testcase_179	AC	24 ms; 5,376 KB
testcase_180	AC	21 ms; 5,376 KB
testcase_181	AC	6 ms; 5,376 KB
testcase_182	AC	10 ms; 5,376 KB
testcase_183	AC	14 ms; 5,376 KB
testcase_184	AC	11 ms; 5,376 KB
testcase_185	AC	17 ms; 5,376 KB
testcase_186	AC	20 ms; 5,376 KB
testcase_187	AC	16 ms; 5,376 KB
testcase_188	AC	2 ms; 5,376 KB
testcase_189	AC	2 ms; 5,376 KB
testcase_190	AC	2 ms; 5,376 KB
testcase_191	AC	2 ms; 5,376 KB
testcase_192	AC	2 ms; 5,376 KB
testcase_193	AC	2 ms; 5,376 KB
testcase_194	AC	2 ms; 5,376 KB
testcase_195	AC	2 ms; 5,376 KB
testcase_196	AC	19 ms; 5,376 KB
testcase_197	AC	6 ms; 5,376 KB
testcase_198	AC	15 ms; 5,376 KB
testcase_199	AC	21 ms; 5,376 KB
testcase_200	AC	19 ms; 5,376 KB
testcase_201	AC	12 ms; 5,376 KB
testcase_202	AC	22 ms; 5,376 KB
testcase_203	AC	13 ms; 5,376 KB
testcase_204	AC	28 ms; 5,376 KB
testcase_205	AC	16 ms; 5,376 KB
testcase_206	AC	26 ms; 5,376 KB
testcase_207	AC	18 ms; 5,376 KB
testcase_208	AC	22 ms; 5,376 KB
testcase_209	AC	8 ms; 5,376 KB
testcase_210	AC	5 ms; 5,376 KB
testcase_211	AC	11 ms; 5,376 KB
testcase_212	AC	6 ms; 5,376 KB
testcase_213	AC	12 ms; 5,376 KB
testcase_214	AC	29 ms; 5,376 KB
testcase_215	AC	24 ms; 5,376 KB
testcase_216	AC	28 ms; 5,376 KB
testcase_217	AC	16 ms; 5,376 KB
testcase_218	AC	23 ms; 5,376 KB
testcase_219	AC	13 ms; 5,376 KB

ソースコード

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

using ll=long long;

int main(){cin.tie(0);ios::sync_with_stdio(false);
	ll W,H;cin>>W>>H;
	int N;cin>>N;
	vector<ll>x(N),y(N);
	bool o=true;
	for(int i=0;i<N;++i){
		cin>>x[i]>>y[i];
		o&=(x[i]+y[i])%2==(x[0]+y[0])%2;
	}
	ll z=0;
	if(o){
		for(int _=0;_<2;++_){
			for(int _=0;_<4;++_){
				ll mx=2e9,MX=-2e9;
				ll my=2e9,MY=-2e9;
				ll mp=2e9,MP=-2e9;
				ll mm=2e9,MM=-2e9;
				for(int i=0;i<N;++i){
					mx=min(mx,x[i]);
					MX=max(MX,x[i]);
					my=min(my,y[i]);
					MY=max(MY,y[i]);
					mp=min(mp,x[i]+y[i]);
					MP=max(MP,x[i]+y[i]);
					mm=min(mm,x[i]-y[i]);
					MM=max(MM,x[i]-y[i]);
				}
				if(N==2){
					if(mp==MP){
						z=max(z,mx*my+(W-MX+1)*(H-MY+1)+MX-mx-1);
					}else if(MX-mx<MY-my){
						z=max(z,W);
					}
				}else{
					bool a=mp==MP;
					bool b=true;
					bool c=MP-mp>=MM-mm;
					bool d=c;
					bool e=MP-mp==MM-mm;
					int k=-1;
					ll m=2e9;
					for(int i=0;i<N;++i){
						b&=x[i]+y[i]==MP||x[i]-y[i]==MM;
						c&=x[i]+y[i]==MP^x[i]+y[i]==mp;
						d&=x[i]+y[i]==MP||x[i]+y[i]==mp||x[i]-y[i]==MM;
						e&=x[i]+y[i]==MP||x[i]+y[i]==mp||x[i]-y[i]==MM||x[i]-y[i]==mm;
						if(x[i]+y[i]==MP){
							m=min(m,x[i]);
						}else{
							if(k==-1){
								k=i;
							}else{
								k=-2;
							}
						}
					}
					if(a)z=max(z,mx*my+(W-MX+1)*(H-MY+1));
					if(b)z=max(z,mx);
					if(c)z=max(z,((MP-mp)-(MM-mm))/2+1);
					if(d)z=max(z,1ll);
					if(e)z=max(z,1ll);
					if(k>=0&&x[k]-y[k]==MM)z=max(z,m);
				}
				for(int i=0;i<N;++i){
					ll t=x[i];
					x[i]=H-y[i]+1;
					y[i]=t;
				}
				swap(W,H);
			}
			for(int i=0;i<N;++i){
				y[i]=H-y[i]+1;
			}
		}
	}
	cout<<z<<"\n";
	return 0;
}