#156546 (C++11) No.491 10^9+1と回文

• 問題: No.491 10^9+1と回文
• ユーザー: kmjp
• 提出日時: 2017-03-10 22:28:34
• 言語: C++11 (gcc 11.4.0)
• 結果: AC
• 実行時間: 101 ms / 1,000 ms
• コード長: 1,186 bytes
• コンパイル時間: 1,316 ms
• コンパイル使用メモリ: 169,896 KB
• 実行使用メモリ: 19,328 KB
• 最終ジャッジ日時: 2024-10-01 07:08:22
• 合計ジャッジ時間: 13,123 ms
• ジャッジサーバーID （参考情報）: judge1 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	94 ms; 19,072 KB
testcase_01	AC	88 ms; 19,200 KB
testcase_02	AC	91 ms; 19,200 KB
testcase_03	AC	90 ms; 19,200 KB
testcase_04	AC	95 ms; 19,200 KB
testcase_05	AC	97 ms; 19,200 KB
testcase_06	AC	96 ms; 19,072 KB
testcase_07	AC	93 ms; 19,200 KB
testcase_08	AC	89 ms; 19,200 KB
testcase_09	AC	86 ms; 19,072 KB
testcase_10	AC	88 ms; 19,328 KB
testcase_11	AC	86 ms; 19,200 KB
testcase_12	AC	86 ms; 19,200 KB
testcase_13	AC	88 ms; 19,200 KB
testcase_14	AC	86 ms; 19,200 KB
testcase_15	AC	88 ms; 19,200 KB
testcase_16	AC	91 ms; 19,200 KB
testcase_17	AC	91 ms; 19,200 KB
testcase_18	AC	89 ms; 19,072 KB
testcase_19	AC	90 ms; 19,072 KB
testcase_20	AC	87 ms; 19,200 KB
testcase_21	AC	88 ms; 19,072 KB
testcase_22	AC	94 ms; 19,200 KB
testcase_23	AC	100 ms; 19,200 KB
testcase_24	AC	96 ms; 19,200 KB
testcase_25	AC	87 ms; 19,200 KB
testcase_26	AC	88 ms; 19,200 KB
testcase_27	AC	89 ms; 19,200 KB
testcase_28	AC	87 ms; 19,072 KB
testcase_29	AC	83 ms; 19,200 KB
testcase_30	AC	84 ms; 19,200 KB
testcase_31	AC	85 ms; 19,200 KB
testcase_32	AC	85 ms; 19,200 KB
testcase_33	AC	87 ms; 19,200 KB
testcase_34	AC	101 ms; 19,072 KB
testcase_35	AC	100 ms; 19,200 KB
testcase_36	AC	89 ms; 19,200 KB
testcase_37	AC	89 ms; 19,072 KB
testcase_38	AC	84 ms; 19,072 KB
testcase_39	AC	85 ms; 19,200 KB
testcase_40	AC	97 ms; 19,200 KB
testcase_41	AC	99 ms; 19,200 KB
testcase_42	AC	89 ms; 19,200 KB
testcase_43	AC	93 ms; 19,200 KB
testcase_44	AC	84 ms; 19,200 KB
testcase_45	AC	86 ms; 19,200 KB
testcase_46	AC	83 ms; 19,200 KB
testcase_47	AC	83 ms; 19,072 KB
testcase_48	AC	89 ms; 19,200 KB
testcase_49	AC	89 ms; 19,200 KB
testcase_50	AC	89 ms; 19,072 KB
testcase_51	AC	89 ms; 19,328 KB
testcase_52	AC	86 ms; 19,072 KB
testcase_53	AC	89 ms; 19,200 KB
testcase_54	AC	83 ms; 19,200 KB
testcase_55	AC	91 ms; 19,200 KB
testcase_56	AC	85 ms; 19,200 KB
testcase_57	AC	91 ms; 19,072 KB
testcase_58	AC	87 ms; 19,072 KB
testcase_59	AC	90 ms; 19,072 KB
testcase_60	AC	99 ms; 19,200 KB
testcase_61	AC	99 ms; 19,200 KB
testcase_62	AC	88 ms; 19,072 KB
testcase_63	AC	85 ms; 19,200 KB
testcase_64	AC	83 ms; 19,072 KB
testcase_65	AC	84 ms; 19,200 KB
testcase_66	AC	83 ms; 19,072 KB
testcase_67	AC	84 ms; 19,072 KB
testcase_68	AC	89 ms; 19,200 KB
testcase_69	AC	83 ms; 19,200 KB
testcase_70	AC	85 ms; 19,072 KB
testcase_71	AC	94 ms; 19,200 KB
testcase_72	AC	87 ms; 19,200 KB
testcase_73	AC	84 ms; 19,200 KB
testcase_74	AC	89 ms; 19,072 KB
testcase_75	AC	84 ms; 19,200 KB
testcase_76	AC	94 ms; 19,072 KB
testcase_77	AC	85 ms; 19,072 KB
testcase_78	AC	83 ms; 19,200 KB
testcase_79	AC	87 ms; 19,072 KB
testcase_80	AC	87 ms; 19,072 KB
testcase_81	AC	98 ms; 19,200 KB
testcase_82	AC	98 ms; 19,200 KB
testcase_83	AC	94 ms; 19,072 KB
testcase_84	AC	87 ms; 19,072 KB
testcase_85	AC	84 ms; 19,072 KB
testcase_86	AC	85 ms; 19,200 KB
testcase_87	AC	88 ms; 19,200 KB
testcase_88	AC	88 ms; 19,200 KB
testcase_89	AC	89 ms; 19,200 KB
testcase_90	AC	94 ms; 19,200 KB
testcase_91	AC	88 ms; 19,200 KB
testcase_92	AC	86 ms; 19,200 KB
testcase_93	AC	84 ms; 19,200 KB
testcase_94	AC	89 ms; 19,200 KB
testcase_95	AC	86 ms; 19,200 KB
testcase_96	AC	86 ms; 19,200 KB
testcase_97	AC	91 ms; 19,200 KB
testcase_98	AC	88 ms; 19,072 KB
testcase_99	AC	86 ms; 19,200 KB
testcase_100	AC	88 ms; 19,200 KB
testcase_101	AC	90 ms; 19,200 KB
testcase_102	AC	98 ms; 19,200 KB
testcase_103	AC	99 ms; 19,200 KB
testcase_104	AC	98 ms; 19,200 KB
testcase_105	AC	92 ms; 19,072 KB

ソースコード

#include <bits/stdc++.h>
using namespace std;
typedef signed long long ll;

#undef _P
#define _P(...) (void)printf(__VA_ARGS__)
#define FOR(x,to) for(x=0;x<(to);x++)
#define FORR(x,arr) for(auto& x:arr)
#define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
//-------------------------------------------------------

ll N;
ll p10[20];
string A;
ll ret=0;

void solve() {
	int i,j,k,l,r,x,y; string s;
	
	p10[0]=1;
	FOR(i,10) p10[i+1]=p10[i]+1;
	
	
	set<string> V;
	for(i=1;i<=99999;i++) {
		char buf[1010];
		string S,T;
		sprintf(buf,"%d",i);
		S=buf;
		T=S;
		reverse(ALL(T));
		
		V.insert(S+T);
		V.insert(S+T.substr(1));
	}
	
	cin>>A;
	string Z="000000000000000";
	FORR(a,V) {
		if(a.size()>9) continue;
		string b = a+Z.substr(0,9-a.size())+a;
		if(b.size()<A.size() || (b.size()==A.size() && b<=A)) ret++;
		
	}
	cout<<ret<<endl;
	
	
}


int main(int argc,char** argv){
	string s;int i;
	if(argc==1) ios::sync_with_stdio(false), cin.tie(0);
	FOR(i,argc-1) s+=argv[i+1],s+='\n';
	FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
	solve(); return 0;
}