結果
| 問題 |
No.811 約数の個数の最大化
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-04-12 21:45:19 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
CE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 1,498 bytes |
| コンパイル時間 | 808 ms |
| コンパイル使用メモリ | 77,660 KB |
| 最終ジャッジ日時 | 2024-11-14 21:25:06 |
| 合計ジャッジ時間 | 1,203 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
main.cpp:16:39: error: '::numeric_limits' has not been declared
16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
| ^~~~~~~~~~~~~~
main.cpp:16:55: error: expected primary-expression before '>' token
16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
| ^
main.cpp:16:61: error: no matching function for call to 'max()'
16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
| ~~~~~^~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/string:50,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/locale_classes.h:40,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/ios_base.h:41,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ios:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:38,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/iostream:39,
from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
254 | max(const _Tp& __a, const _Tp& __b)
| ^~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed:
main.cpp:16:61: note: candidate expects 2 arguments, 0 provided
16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
| ~~~~~^~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:300:5: note: candidate: 'templat
ソースコード
#include <iostream>
#include <algorithm>
#include <iomanip>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
static const int MOD = 1000000007;
using ll = long long;
using u32 = uint32_t;
using namespace std;
template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
vector<int> get_min_factor(int n) {
if(n <= 1) return vector<int>{0, 1};
vector<bool> prime(static_cast<unsigned int>(n + 1), true);
vector<int> min_factor(static_cast<u32>(n+1), 0);
min_factor[0] = 0, min_factor[1] = 1;
prime[0] = false; prime[1] = false;
for(ll i = 2; i <= n; i++){
if(prime[i]) {
min_factor[i] = (int)i;
for(ll j = i << 1; j <= n; j += i) {
prime[j] = false;
if(min_factor[j] == 0) min_factor[j] = (int)i;
}
}
}
return(min_factor);
}
int main() {
int n, k;
cin >> n >> k;
vector<int> a(n+1), b(n+1);
a[1] = 0;
vector<int> fac = get_min_factor(n);
int m = 0, ans = 0;
for (int i = 2; i <= n; ++i) {
int j = i;
while(j != 1){
a[i]++;
j /= fac[j];
}
}
b[1] = 1;
for (int i = 1; i <= n; ++i) {
for (int j = i; j <= n; j += i) {
b[j]++;
}
}
for (int i = 2; i < n; ++i) {
if(a[__gcd(i, n)] >= k && m < b[i]){
m = b[i], ans = i;
}
}
cout << ans << "\n";
return 0;
}