結果
問題 | No.1529 Constant Lcm |
ユーザー | Ogtsn99 |
提出日時 | 2021-06-04 21:55:56 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,347 bytes |
コンパイル時間 | 2,333 ms |
コンパイル使用メモリ | 211,796 KB |
実行使用メモリ | 230,556 KB |
最終ジャッジ日時 | 2024-11-19 14:09:28 |
合計ジャッジ時間 | 63,421 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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
11,936 KB |
testcase_01 | AC | 4 ms
13,632 KB |
testcase_02 | AC | 2 ms
11,680 KB |
testcase_03 | AC | 2 ms
13,632 KB |
testcase_04 | AC | 2 ms
12,072 KB |
testcase_05 | AC | 2 ms
12,064 KB |
testcase_06 | AC | 2 ms
13,636 KB |
testcase_07 | AC | 2 ms
11,684 KB |
testcase_08 | AC | 2 ms
13,636 KB |
testcase_09 | AC | 2 ms
11,812 KB |
testcase_10 | TLE | - |
testcase_11 | TLE | - |
testcase_12 | AC | 89 ms
11,300 KB |
testcase_13 | TLE | - |
testcase_14 | TLE | - |
testcase_15 | TLE | - |
testcase_16 | TLE | - |
testcase_17 | TLE | - |
testcase_18 | TLE | - |
testcase_19 | TLE | - |
testcase_20 | TLE | - |
testcase_21 | TLE | - |
testcase_22 | TLE | - |
testcase_23 | TLE | - |
testcase_24 | TLE | - |
testcase_25 | TLE | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #define int long long #define rep(i, n) for(int (i)=0;(i)<(n);(i)++) #define rrep(i, n) for(int (i)=((n)-1);(i)>=0;(i)--) #define itn int #define miele(v) min_element(v.begin(), v.end()) #define maele(v) max_element(v.begin(), v.end()) #define SUM(v) accumulate(v.begin(), v.end(), 0LL) #define lb(a, key) lower_bound(a.begin(),a.end(),key) #define ub(a, key) upper_bound(a.begin(),a.end(),key) #define COUNT(a, key) count(a.begin(), a.end(), key) #define BITCOUNT(x) __builtin_popcount(x) #define pb push_back #define all(x) (x).begin(),(x).end() #define F first #define S second using P = pair<int, int>; using WeightedGraph = vector<vector<P>>; using UnWeightedGraph = vector<vector<int>>; using Real = long double; using Point = complex<Real>; //Point and Vector2d is the same! // p.real() or real(p) -> x軸, p.imag() or imag(p) -> y軸 using Vector2d = complex<Real>; const int MOD = 998244353; const long long INF = 1LL << 60; const double EPS = 1e-15; const double PI = 3.14159265358979323846; template<typename T> int getIndexOfLowerBound(vector<T> &v, T x) { return lower_bound(v.begin(), v.end(), x) - v.begin(); } template<typename T> int getIndexOfUpperBound(vector<T> &v, T x) { return upper_bound(v.begin(), v.end(), x) - v.begin(); } template<class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } #define repi(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++) istream &operator>>(istream &is, Point &p) { Real a, b; is >> a >> b; p = Point(a, b); return is; } template<typename T, typename U> istream &operator>>(istream &is, pair<T, U> &p_var) { is >> p_var.first >> p_var.second; return is; } template<typename T> istream &operator>>(istream &is, vector<T> &vec) { for (T &x : vec) is >> x; return is; } template<typename T, typename U> ostream &operator<<(ostream &os, pair<T, U> &pair_var) { os << pair_var.first << ' ' << pair_var.second; return os; } template<typename T> ostream &operator<<(ostream &os, vector<T> &vec) { for (int i = 0; i < vec.size(); i++) os << vec[i] << ' '; return os; } template<typename T, typename U> ostream &operator<<(ostream &os, vector<pair<T, U>> &vec) { for (int i = 0; i < vec.size(); i++) os << vec[i] << '\n'; return os; } template<typename T> ostream &operator<<(ostream &os, vector<vector<T>> &df) { for (auto &vec : df) os << vec; return os; } template<typename T, typename U> ostream &operator<<(ostream &os, map<T, U> &map_var) { repi(itr, map_var) { os << *itr << ' '; itr++; itr--; } return os; } template<typename T> ostream &operator<<(ostream &os, set<T> &set_var) { repi(itr, set_var) { os << *itr << ' '; itr++; itr--; } return os; } void print() { cout << endl; } template<class Head, class... Tail> void print(Head &&head, Tail &&... tail) { cout << head; if (sizeof...(tail) != 0) cout << " "; print(forward<Tail>(tail)...); } long long gcd(long long a,long long b) { if (a%b==0) return(b); else return(gcd(b,a%b)); } long long lcm(long long a,long long b){ long long g = gcd(a,b); return a / g * b; } vector<pair<int,int> > prime_factorize(int n) { //素因数分解 vector<pair<int, int> > fac; for (int p = 2; p * p <= n; p++) { if (n % p != 0) continue; int num = 0; while (n % p == 0) { ++num; n /= p; } fac.push_back(make_pair(p, num)); } if (n != 1) fac.push_back({n,1}); return fac; } int mpow(int x, int n) { int ret = 1; while(n > 0) { if(n & 1) (ret *= x) %= MOD; (x *= x) %= MOD; n >>= 1; } return ret; } signed main(void) { cin.tie(0); ios::sync_with_stdio(false); int n; cin>>n; int cnt = 1; map <int, int> ma; for (int i = n-1; i >= 1; --i) { int num = cnt*i; auto tmp = prime_factorize(num); for (auto p : tmp) { chmax(ma[p.F], p.S); } cnt++; } int ans = 1; for (auto p : ma) { ans *= mpow(p.F, p.S); ans %= MOD; } print(ans); }