結果
問題 | No.2609 Decreasing GCDs |
ユーザー |
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提出日時 | 2024-01-19 21:45:51 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 1,000 ms |
コード長 | 1,719 bytes |
コンパイル時間 | 4,251 ms |
コンパイル使用メモリ | 251,180 KB |
最終ジャッジ日時 | 2025-02-18 20:55:08 |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 22 |
ソースコード
#include<bits/stdc++.h>#include<atcoder/all>#define rep(i,n) for(int i=0;i<n;i++)using namespace std;using namespace atcoder;typedef long long ll;typedef vector<int> vi;typedef vector<long long> vl;typedef vector<vector<int>> vvi;typedef vector<vector<long long>> vvl;typedef long double ld;typedef pair<int, int> P;ostream& operator<<(ostream& os, const modint& a) {os << a.val(); return os;}template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;}template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;}template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); returnos;}template <typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : "");return os;}int main(){int n;cin >> n;vector<int> p = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};vector<int> ans(n);rep(i, n){if(i == 0){ans[0] = p[n - 2];continue;}if(i == n - 1){int x = p[0];ans[i] = (ans[i - 1] + x) / x * x;continue;}int x = p[n - 1 - i] * p[n - 2 - i];ans[i] = (ans[i - 1] + x) / x * x;if(i < n - 2){while(ans[i] % p[n - 3 - i] == 0 or gcd(ans[i], ans[i - 1]) != p[n - 1 - i]){ans[i] += x;}}}cout << ans;/*rep(i, n - 1){cout << gcd(ans[i], ans[i + 1]) << ' ';}*/return 0;}