結果

問題 No.1058 素敵な数
ユーザー HaarHaar
提出日時 2020-05-22 21:31:36
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 4 ms / 2,000 ms
コード長 2,760 bytes
コンパイル時間 2,633 ms
コンパイル使用メモリ 201,292 KB
最終ジャッジ日時 2025-01-10 14:21:22
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1
other AC * 9
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using i32 = int_fast32_t;
using i64 = int_fast64_t;
using u32 = uint_fast32_t;
using u64 = uint_fast64_t;
using f64 = double;
using f80 = long double;
#define FOR(v, a, b) for(i64 v = (a); v < (b); ++v)
#define FORE(v, a, b) for(i64 v = (a); v <= (b); ++v)
#define REP(v, n) FOR(v, 0, n)
#define REPE(v, n) FORE(v, 0, n)
#define REV(v, a, b) for(i64 v = (a); v >= (b); --v)
#define ALL(x) (x).begin(), (x).end()
#define RALL(x) (x).rbegin(), (x).rend()
#define ITR(it, c) for(auto it = (c).begin(); it != (c).end(); ++it)
#define RITR(it, c) for(auto it = (c).rbegin(); it != (c).rend(); ++it)
#define EXIST(c,x) ((c).find(x) != (c).end())
#define fst first
#define snd second
#define UNIQ(v) (v).erase(unique(ALL(v)), (v).end())
#define bit(i) (1LL<<(i))
#ifdef DEBUG
#include <Mylib/Debug/debug.cpp>
#else
#define dump(...) ((void)0)
#endif
using namespace std;
template <typename I> void join(ostream &ost, I s, I t, string d=" "){for(auto i=s; i!=t; ++i){if(i!=s)ost<<d; ost<<*i;}ost<<endl;}
template <typename T> istream& operator>>(istream &is, vector<T> &v){for(auto &a : v) is >> a; return is;}
template <typename T> void pout(const T &value){std::cout << value << "\n";}
template <typename T, typename ...Args> void pout(const T &value, const Args&... args){std::cout << value << " ";pout(args...);}
template <typename T, typename U> bool chmin(T &a, const U &b){return (a>b ? a=b, true : false);}
template <typename T, typename U> bool chmax(T &a, const U &b){return (a<b ? a=b, true : false);}
template <typename T, size_t N, typename U> void fill_array(T (&a)[N], const U &v){fill((U*)a, (U*)(a+N), v);}
template <typename T> auto make_vector(int n, int m, const T &value){return vector<vector<T>>(n, vector<T>(m, value));}
struct Init{
Init(){
cin.tie(0);
ios::sync_with_stdio(false);
cout << fixed << setprecision(12);
cerr << fixed << setprecision(12);
}
}init;
template <int MAX>
struct EratosthenesSieve{
static std::bitset<MAX+1> is_prime;
static void init(){
is_prime.flip();
is_prime[0] = is_prime[1] = false;
for(int i = 2; i <= MAX; ++i){
if(is_prime[i]){
for(int j = 2*i; j <= MAX; j += i){
is_prime[j] = false;
}
}
}
}
};
template <int MAX> std::bitset<MAX+1> EratosthenesSieve<MAX>::is_prime;
using sieve = EratosthenesSieve<105000>;
int main(){
sieve::init();
vector<i64> a = {1};
vector<i64> p;
FORE(i,100001,100500){
if(sieve::is_prime[i]){
p.push_back(i);
}
}
dump(p);
for(auto &x : p){
for(auto &y : p){
a.push_back(x * y);
}
}
sort(ALL(a));
UNIQ(a);
int N;
while(cin >> N){
i64 ans = a[N-1];
cout << ans << "\n";
}
return 0;
}
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