結果
問題 | No.473 和と積の和 |
ユーザー | koyumeishi |
提出日時 | 2016-12-23 20:49:53 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 56 ms / 3,000 ms |
コード長 | 4,957 bytes |
コンパイル時間 | 1,375 ms |
コンパイル使用メモリ | 120,156 KB |
実行使用メモリ | 94,540 KB |
最終ジャッジ日時 | 2024-05-09 14:43:18 |
合計ジャッジ時間 | 2,737 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(要ログイン)
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 | 34 ms
62,592 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 | 3 ms
5,376 KB |
testcase_12 | AC | 3 ms
5,632 KB |
testcase_13 | AC | 3 ms
5,760 KB |
testcase_14 | AC | 3 ms
5,760 KB |
testcase_15 | AC | 3 ms
5,632 KB |
testcase_16 | AC | 2 ms
5,632 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 3 ms
5,632 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 5 ms
11,648 KB |
testcase_24 | AC | 4 ms
12,544 KB |
testcase_25 | AC | 56 ms
94,540 KB |
testcase_26 | AC | 27 ms
56,064 KB |
testcase_27 | AC | 30 ms
60,160 KB |
testcase_28 | AC | 4 ms
5,632 KB |
testcase_29 | AC | 3 ms
5,376 KB |
testcase_30 | AC | 3 ms
5,376 KB |
testcase_31 | AC | 3 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 3 ms
5,632 KB |
testcase_34 | AC | 35 ms
65,920 KB |
testcase_35 | AC | 36 ms
65,920 KB |
testcase_36 | AC | 2 ms
5,632 KB |
testcase_37 | AC | 3 ms
5,504 KB |
testcase_38 | AC | 37 ms
66,048 KB |
testcase_39 | AC | 23 ms
45,184 KB |
testcase_40 | AC | 23 ms
45,184 KB |
testcase_41 | AC | 22 ms
45,184 KB |
testcase_42 | AC | 51 ms
89,728 KB |
testcase_43 | AC | 50 ms
89,856 KB |
testcase_44 | AC | 54 ms
89,728 KB |
testcase_45 | AC | 3 ms
5,376 KB |
testcase_46 | AC | 3 ms
5,376 KB |
ソースコード
#include <iostream> #include <vector> #include <cstdio> #include <sstream> #include <map> #include <string> #include <algorithm> #include <queue> #include <cmath> #include <functional> #include <set> #include <ctime> #include <random> #include <chrono> #include <cassert> #include <tuple> #include <utility> using namespace std; namespace { using Integer = /*long long; /*/__int128; template<class T, class S> istream& operator >> (istream& is, pair<T,S>& p){return is >> p.first >> p.second;} template<class T> istream& operator >> (istream& is, vector<T>& vec){for(T& val: vec) is >> val; return is;} template<class T> istream& operator , (istream& is, T& val){ return is >> val;} template<class T, class S> ostream& operator << (ostream& os, const pair<T,S>& p){return os << p.first << " " << p.second;} template<class T> ostream& operator << (ostream& os, const vector<T>& vec){for(size_t i=0; i<vec.size(); i++) os << vec[i] << (i==vec.size()-1?"":" "); return os;} template<class T> ostream& operator , (ostream& os, const T& val){ return os << " " << val;} template<class H> void print(const H& head){ cout << head; } template<class H, class ... T> void print(const H& head, const T& ... tail){ cout << head << " "; print(tail...); } template<class ... T> void println(const T& ... values){ print(values...); cout << endl; } template<class H> void eprint(const H& head){ cerr << head; } template<class H, class ... T> void eprint(const H& head, const T& ... tail){ cerr << head << " "; eprint(tail...); } template<class ... T> void eprintln(const T& ... values){ eprint(values...); cerr << endl; } class range{ Integer start_, end_, step_; public: struct range_iterator{ Integer val, step_; range_iterator(Integer v, Integer step) : val(v), step_(step) {} Integer operator * (){return val;} void operator ++ (){val += step_;} bool operator != (range_iterator& x){return step_ > 0 ? val < x.val : val > x.val;} }; range(Integer len) : start_(0), end_(len), step_(1) {} range(Integer start, Integer end) : start_(start), end_(end), step_(1) {} range(Integer start, Integer end, Integer step) : start_(start), end_(end), step_(step) {} range_iterator begin(){ return range_iterator(start_, step_); } range_iterator end(){ return range_iterator( end_, step_); } }; inline string operator "" _s (const char* str, size_t size){ return move(string(str)); } constexpr Integer my_pow(Integer x, Integer k, Integer z=1){return k==0 ? z : k==1 ? z*x : (k&1) ? my_pow(x*x,k>>1,z*x) : my_pow(x*x,k>>1,z);} constexpr Integer my_pow_mod(Integer x, Integer k, Integer M, Integer z=1){return k==0 ? z%M : k==1 ? z*x%M : (k&1) ? my_pow_mod(x*x%M,k>>1,M,z*x%M) : my_pow_mod(x*x%M,k>>1,M,z);} constexpr unsigned long long operator "" _ten (unsigned long long value){ return my_pow(10,value); } inline int k_bit(Integer x, int k){return (x>>k)&1;} //0-indexed mt19937 mt(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()); template<class T> string join(const vector<T>& v, const string& sep){ stringstream ss; for(size_t i=0; i<v.size(); i++){ if(i>0) ss << sep; ss << v[i]; } return ss.str(); } inline string operator * (string s, int k){ string ret; while(k){ if(k&1) ret += s; s += s; k >>= 1; } return ret; } } constexpr long long mod = 9_ten + 7; long long f(vector<long long>& v){ while(v.size() > 1){ long long a = v.back(); v.pop_back(); long long b = v.back(); v.pop_back(); v.push_back(a+b + a*b); } return v.front(); } vector<long long> divisors(long long N){ if(N==1) return {1LL}; vector<long long> ret; ret.push_back(1); ret.push_back(N); for(long long i=2; i*i<=N; i++){ if(N%i==0){ ret.push_back(i); if(i*i != N) ret.push_back(N/i); } } sort(ret.begin(), ret.end()); return ret; } vector<long long> d; vector<vector<int>> dd; #include <unordered_map> #include <array> array<array<array<int, 500>, 32>, 1344> memo; long long rec(int x, long long k, int mx_i){ if( memo[x][k][mx_i] != -1 ) return memo[x][k][mx_i]; if(k==1){ return 1; } long long ret = 0; for(int i=mx_i; i<d.size() && d[i]*d[i]<=d[x]; i++){ if(dd[x][i] == -1) continue; long long a = d[i]; long long b = d[dd[x][i]]; if(b<a) break; if(b < my_pow(a, k-1)) break; ret += rec(dd[x][i], k-1, i); } return memo[x][k][mx_i] = ret; } int main(){ long long n,x; cin >> n,x; d = divisors(x+1); dd = vector<vector<int>>(d.size(), vector<int>(d.size(), -1)); for(int i=0; i<d.size(); i++){ for(int j=0; j<d.size(); j++){ if( d[i]%d[j] == 0 ){ dd[i][j] = lower_bound(d.begin(), d.end(), d[i]/d[j]) - d.begin(); } } } for(int k=0; k<d.size(); k++){ for(int i=0; i<32; i++) for(int j=0; j<500; j++){ memo[k][i][j] = -1; } } if(n>=32){ println(0); return 0; } cout << rec(d.size()-1, n, 1) << endl; return 0; }