結果
問題 | No.491 10^9+1と回文 |
ユーザー | IL_msta |
提出日時 | 2017-03-10 23:57:06 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 6,693 bytes |
コンパイル時間 | 2,121 ms |
コンパイル使用メモリ | 130,412 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-24 09:09:00 |
合計ジャッジ時間 | 5,015 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | WA | - |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | WA | - |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | WA | - |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | WA | - |
testcase_29 | AC | 2 ms
6,944 KB |
testcase_30 | WA | - |
testcase_31 | AC | 2 ms
6,944 KB |
testcase_32 | WA | - |
testcase_33 | AC | 2 ms
6,940 KB |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | AC | 2 ms
6,944 KB |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | AC | 2 ms
6,940 KB |
testcase_49 | AC | 2 ms
6,940 KB |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | AC | 2 ms
6,940 KB |
testcase_54 | AC | 2 ms
6,940 KB |
testcase_55 | AC | 2 ms
6,940 KB |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | WA | - |
testcase_60 | WA | - |
testcase_61 | AC | 2 ms
6,940 KB |
testcase_62 | WA | - |
testcase_63 | WA | - |
testcase_64 | WA | - |
testcase_65 | AC | 2 ms
6,944 KB |
testcase_66 | AC | 2 ms
6,944 KB |
testcase_67 | WA | - |
testcase_68 | WA | - |
testcase_69 | AC | 2 ms
6,944 KB |
testcase_70 | WA | - |
testcase_71 | WA | - |
testcase_72 | WA | - |
testcase_73 | WA | - |
testcase_74 | WA | - |
testcase_75 | AC | 2 ms
6,940 KB |
testcase_76 | AC | 2 ms
6,944 KB |
testcase_77 | WA | - |
testcase_78 | WA | - |
testcase_79 | WA | - |
testcase_80 | AC | 2 ms
6,944 KB |
testcase_81 | AC | 2 ms
6,940 KB |
testcase_82 | AC | 2 ms
6,940 KB |
testcase_83 | WA | - |
testcase_84 | AC | 2 ms
6,944 KB |
testcase_85 | WA | - |
testcase_86 | AC | 2 ms
6,940 KB |
testcase_87 | WA | - |
testcase_88 | AC | 2 ms
6,944 KB |
testcase_89 | WA | - |
testcase_90 | WA | - |
testcase_91 | WA | - |
testcase_92 | AC | 2 ms
6,940 KB |
testcase_93 | WA | - |
testcase_94 | WA | - |
testcase_95 | AC | 2 ms
6,940 KB |
testcase_96 | WA | - |
testcase_97 | WA | - |
testcase_98 | WA | - |
testcase_99 | WA | - |
testcase_100 | WA | - |
testcase_101 | WA | - |
testcase_102 | WA | - |
testcase_103 | WA | - |
testcase_104 | WA | - |
testcase_105 | WA | - |
ソースコード
#pragma region GNUC //以下を参考にした //https://yukicoder.me/wiki/auto_vectorization #ifdef __GNUC__ #pragma GCC optimize ("O3") #pragma GCC target ("avx") #endif #pragma endregion #define _USE_MATH_DEFINES #pragma region #include <iostream> #include <iomanip> #include <stdio.h> #include <sstream> #include <algorithm> #include <cmath> #include <string> #include <cstring> #include <vector> #include <queue> #include <complex> #include <set> #include <map> #include <stack> #include <list> #include <fstream> #include <random> #pragma endregion //#include ///////// #define REP(i, x, n) for(int i = x; i < n; ++i) #define rep(i,n) REP(i,0,n) ///////// #pragma region typedef long long LL; typedef long double LD; typedef unsigned long long ULL; #pragma endregion //typedef ///////// //定数 const int INF = (int)1e9; const int MOD = (int)1e9+7; const LL LINF = (LL)1e18; ///////// using namespace::std; ///////// #pragma region Math // 最大公約数 template<class T> inline T gcd(T a, T b){return b ? gcd(b, a % b) : a;} //inline T gcd(T a, T b){return b == 0 ? a : gcd(b, a % b);} // 最小公倍数 template<class T> inline T lcm(T a, T b){return a / gcd(a, b) * b;} //inline T lcm(T a, T b){return a * b / gcd(a, b);} #pragma endregion //math #pragma region template<class T> void UNIQUE(vector<T>& vec){ sort(vec.begin(),vec.end()); vec.erase(unique(vec.begin(),vec.end()),vec.end() ); } #pragma endregion // sort erase unique //////////////////////////////// struct edge{int to;LL cost;}; edge make_edge(int to,LL cost){ edge ret = {to,cost}; return ret; } #pragma region //グラフ void dijkstra(int root,int V,vector<LL>& dist, vector< vector<edge> > G ){ priority_queue<pair<LL,int>,vector<pair<LL,int> >,greater<pair<LL,int> > > que; dist.assign(V,LINF); dist[root] = 0; que.push(pair<LL,int>(0,root));//距離、頂点番号 while( !que.empty() ){ pair<LL,int> p = que.top();que.pop(); int v = p.second; if( dist[v] < p.first ) continue; for(int i=0;i < (int)G[v].size();++i){ edge e = G[v][i]; if( dist[e.to] > dist[v] + e.cost ){ dist[e.to] = dist[v] + e.cost; que.push(pair<LL,int>(dist[e.to],e.to)); } } } } #pragma endregion //ダイクストラ法:O(|E|log|V|) #pragma region //グラフ void warshall_floyd(vector<vector<LL> >& dist,int V,const LL INF=LINF){ for(int k=0;k<V;++k){ for(int i=0;i<V;++i){ if( dist[i][k] >= INF ) continue; for(int j=0;j<V;++j){ if( dist[k][j] >= INF )continue; dist[i][j] = min(dist[i][j],dist[i][k]+dist[k][j]); } } } } #pragma endregion //ワーシャルフロイド:O(|V|**3) #pragma region //http://sugarknri.hatenablog.com/entry/2016/07/16/165715 //LL inv[1000010]; void makeinv(vector<LL>& inv,const LL P){ int i; inv = vector<LL>(1000010,0); inv[1]=1; for(i=2;i<=1000000;i++){ inv[i] = inv[P%i] * (P-P/i)%P;//OVF } } ULL nCk(ULL N,ULL k){ static vector<LL> inv; if( inv.size() == 0 ){ makeinv(inv,MOD); } k = min(k,N-k); if( k == 0 ){return 1;} if( k == 1 ){return N%MOD;} ULL ret = 1; for(int i=1;i<=k;++i){ ret *= ((N+1-i)*inv[i])%MOD;//OVF ret %= MOD; } return ret; } #pragma endregion //組み合わせnCk(,10^5) #pragma region CGL class Point{ public: double x,y; Point(double x=0,double y=0):x(x),y(y){} Point operator + (Point p){return Point(add(x,p.x),add(y,p.y));} void operator += (Point p){x=add(x,p.x);y=add(y,p.y);} Point operator - (Point p){return Point(add(x,-p.x),add(y,-p.y));} void operator -= (Point p){x=add(x,-p.x);y=add(y,-p.y);} Point operator * (double a){return Point(x*a,y*a);} double operator * (Point p){return dot(p);} Point operator / (double a){return Point(x/a,y/a);} double norm(){return sqrt(x*x+y*y);} double dot(Point p){return add(x*p.x,y*p.y);} double rot(Point p){return add(x*p.y,-y*p.x);} double add(double a,double b){ double EPS = 1e-10; if( abs(a+b) < EPS*(abs(a)+abs(b)) ){ return 0; } return a+b; } }; istream& operator>>(istream& in,Point& P){ in >> P.x >> P.y; return in; } //線分p1-p2上に点qがあるか判定 bool on_seg(Point p1,Point p2,Point q){ return (p1-q).rot(p2-q) == 0 && (p1-q).dot(p2-q) <= 0; } Point intersection(Point p1,Point p2,Point q1,Point q2){ return p1+(p2-p1)*((q2-q1).rot(q1-p1)/(q2-q1).rot(p2-p1)); } enum PointPotion{ON_SEGMENT,COUNTER_CLOCKWISE,ONLINE_BACK,CLOCKWISE,ONLINE_FRONT}; PointPotion ccw(Point A,Point B,Point C){ B -= A;C -=A; if( B.rot(C) > 0 ) return COUNTER_CLOCKWISE; if( B.rot(C) < 0 ) return CLOCKWISE; if( B.dot(C) < 0 ) return ONLINE_BACK; if( B.norm() < C.norm() ) return ONLINE_FRONT; return ON_SEGMENT; } #pragma endregion //class Point #pragma region //辞書順で比較 bool cmp_x(const Point& p,const Point& q){ if( p.x != q.x ) return p.x < q.x; return p.y < q.y; } //凸包を求める vector<Point> convex_hull(vector<Point> ps,int n){ sort(ps.begin(),ps.end(), cmp_x); int k = 0;//凸包の頂点数 vector<Point> qs(n*2);//構築中の凸包 //下側の凸包の作成 for(int i=0;i<n;++i){ while(k>1 && (qs[k-1]-qs[k-2]).rot(ps[i]-qs[k-1]) <=0){ k--; } qs[k++] = ps[i]; } //上側凸包の作成 for(int i=n-2,t=k;i>=0;i--){ while(k>t && (qs[k-1]-qs[k-2]).rot(ps[i]-qs[k-1]) <=0){ k--; } qs[k++] = ps[i]; } qs.resize(k-1); return qs; } #pragma endregion //凸包 #pragma region template<class T,class U> istream& operator>>(istream& in,pair<T,U> P){ in >> P.first >> P.second; return in; } #pragma endregion //cin pair<T,U> #pragma region #pragma endregion // const double PI = acos(-1.0); const double EPS = 1e-9; void solve(){ LL N; cin >> N; LL dat = (LL)1e9+1; LL A = (LL)1e9; LL a = N/A; LL b = N%A; if( b == 0 ){ --a; b = A-1; } if( a == 0 ){cout << 0 << endl;return;} LL c = min(a,b);//c以下の回文 vector<LL> kai(10); kai[1] = 9; kai[2] = 9; for(int i=3;i<10;++i){ kai[i] = kai[i-2]*9; } vector< vector<LL> > dp(2,vector<LL>(11,0)); int ket = 0; LL temp = c; vector<int> num; while(temp){ ++ket; num.push_back(temp%10); temp/=10; } reverse(num.begin(),num.end()); //すべての桁を使う回文を調べる int cen = (ket-1)/2+1;//折り返し地点 dp[0][0] = 1; dp[1][0] = max(0,num[0]-1); for(int i=0;i<cen;++i){ dp[0][i+1] = dp[0][i]; dp[1][i+1] = dp[1][i]*9 + num[i]-1; } LL res = 0; for(int i=1;i<ket;++i){//短い桁の回文を全部足す res += kai[i]; } res += dp[0][cen-1]+dp[1][cen-1]; cout << res << endl; } #pragma region main signed main(void){ std::cin.tie(0); std::ios::sync_with_stdio(false); std::cout << std::fixed;//小数を10進数表示 cout << setprecision(16);//小数点以下の桁数を指定 solve(); } #pragma endregion //main()