結果
| 問題 |
No.689 E869120 and Constructing Array 3
|
| ユーザー |
koyumeishi
|
| 提出日時 | 2018-05-19 00:06:42 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 33 ms / 1,000 ms |
| コード長 | 5,459 bytes |
| コンパイル時間 | 1,543 ms |
| コンパイル使用メモリ | 120,500 KB |
| 実行使用メモリ | 11,612 KB |
| 最終ジャッジ日時 | 2024-06-28 14:10:37 |
| 合計ジャッジ時間 | 3,356 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 13 |
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;
vector<long long> Eratosthenes(long long N){
vector<bool> v(N+1, true);
v[0] = v[1] = false;
long long sqN = sqrt(N);
for(int i=2; i<=sqN; i++){
if(v[i] == false) continue;
for(long long j=i*i; j<=N; j+=i){
v[j] = false;
}
}
vector<long long> Prime;
for(long long i=2; i<=N; i++){
if(v[i]==true) Prime.push_back(i);
}
return Prime;
}
int main(){
int k;
cin >> k;
if( k==0 ){
println(1);
println(1);
return 0;
}
auto p = Eratosthenes(2000000);
set<long long> prime(p.begin(), p.end());
// for(int i=1; i<100; i++){
// vector<int> q;
// for(int j=1; j<=100; j++){
// if( prime.count(i+j) ){
// q.push_back(j);
// }
// }
// eprintln(i, ":", q);
// }
set<int> used;
vector<int> ans;
auto func = [&](int p){
if(p == 0) return;
int x = 3;
while( true ){
bool ok = true;
if( used.count(x) ) x++;
for(auto v : used){
if( prime.count(x + v) != 0 ){
ok = false;
}
}
if( ok ) break;
else x++;
}
int y = x+1;
for(; ; y++){
if( used.count(y) ) continue;
if( prime.count(x+y) == 0 ) continue;
bool ok = true;
for(auto v : used){
if( prime.count(y + v) != 0 ){
ok = false;
}
}
if(ok) break;
}
used.insert(x);
used.insert(y);
for(int i=0; i<p; i++){
ans.push_back(x);
ans.push_back(y);
}
};
for(int a=0; a<=100; a++){
long long x = a*a;
if( x > k ) break;
for(int b=a; b<=100; b++){
long long y = x + b*b;
if( y > k || (a+b)*2 > 250 ) break;
for(int c=b; c<=100; c++){
long long z = y + c*c;
if( z > k || (a+b+c)*2 > 250) break;
int r = k - z;
int d = sqrt(r);
long long w = z + d*d;
if( w > k || (a+b+c+d)*2 > 250) break;
if( w != k ) continue;
func(a);
func(b);
func(c);
func(d);
println(ans.size());
println(ans);
return 0;
}
}
}
assert(false);
return 0;
}
koyumeishi