#define _USE_MATH_DEFINES #pragma region include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //// //#include // #pragma endregion //#include ///////// #pragma region typedef typedef long long LL; typedef long double LD; typedef unsigned long long ULL; #pragma endregion //typedef ////定数 const int INF = (int)1e9; const LL MOD = (LL)1e9+7; const LL LINF = (LL)4e18+20; const LD PI = acos(-1.0); const double EPS = 1e-9; ///////// using namespace::std; map memo; LL f(LL N){ if( memo.find(N) != memo.end() ){ return memo[N]; } LL ret = f(N/3) + f(N/5); memo[N] = ret; return ret; } void solve(){ LL N; cin>>N; memo[0] = 1; LL ans = f(N); cout << ans << 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//coutとcerrで別 solve(); } #pragma endregion //main()