結果
問題 | No.1853 Many Operations |
ユーザー |
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提出日時 | 2022-02-26 00:32:41 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 4,137 bytes |
コンパイル時間 | 3,160 ms |
コンパイル使用メモリ | 192,836 KB |
最終ジャッジ日時 | 2025-01-28 02:54:25 |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 26 |
ソースコード
//Let's join Kaede Takagaki Fan Club !!#pragma GCC optimize("Ofast")#pragma GCC optimize("unroll-loops")#include <cstdio>#include <cstring>#include <cstdlib>#include <cmath>#include <ctime>#include <cassert>#include <string>#include <algorithm>#include <vector>#include <queue>#include <stack>#include <functional>#include <iostream>#include <map>#include <set>#include <unordered_map>#include <unordered_set>#include <cassert>#include <iomanip>#include <chrono>#include <random>#include <bitset>#include <complex>#include <ext/pb_ds/assoc_container.hpp>#include <ext/pb_ds/tree_policy.hpp>using namespace std;#define int long long//#define L __int128typedef long long ll;typedef pair<int,int> P;typedef pair<int,P> P1;typedef pair<P,P> P2;#define pu push#define pb push_back#define eb emplace_back#define mp make_pair#define eps 1e-7#define INF 1000000000#define a first#define b second#define fi first#define sc second//#define rng(i,a,b) for(int i=(int)(a);i<(int)(b);i++)#define rep(i,x) for(int i=0;i<x;i++)#define repn(i,x) for(int i=1;i<=x;i++)#define SORT(x) sort(x.begin(),x.end())#define ERASE(x) x.erase(unique(x.begin(),x.end()),x.end())#define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin())#define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin())#define all(x) x.begin(),x.end()#define si(x) int(x.size())#define pcnt(x) __builtin_popcountll(x)#ifdef LOCAL#define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl#else#define dmp(x) void(0)#endiftemplate<class t,class u> bool chmax(t&a,u b){if(a<b){a=b;return true;}else return false;}template<class t,class u> bool chmin(t&a,u b){if(b<a){a=b;return true;}else return false;}template<class t> using vc=vector<t>;template<class t,class u>ostream& operator<<(ostream& os,const pair<t,u>& p){return os<<"{"<<p.fi<<","<<p.sc<<"}";}template<class t> ostream& operator<<(ostream& os,const vc<t>& v){os<<"{";for(auto e:v)os<<e<<",";return os<<"}";}//https://codeforces.com/blog/entry/62393struct custom_hash {static uint64_t splitmix64(uint64_t x) {// http://xorshift.di.unimi.it/splitmix64.cx += 0x9e3779b97f4a7c15;x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;x = (x ^ (x >> 27)) * 0x94d049bb133111eb;return x ^ (x >> 31);}size_t operator()(uint64_t x) const {static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();return splitmix64(x + FIXED_RANDOM);}//don't make x negative!size_t operator()(pair<int,int> x)const{return operator()(uint64_t(x.first)<<32|x.second);}};//unordered_set -> dtype, null_type//unordered_map -> dtype(key), dtype(value)using namespace __gnu_pbds;template<class t,class u>using hash_table=gp_hash_table<t,u,custom_hash>;template<class T>void g(T &a){cin >> a;}template<class T>void o(const T &a,bool space=false){cout << a << (space?' ':'\n');}//ios::sync_with_stdio(false);const ll mod = 998244353;//const ll mod = 1000000007;mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count());template<class T>void add(T&a,T b){a+=b;if(a >= mod) a-=mod;}ll modpow(ll x,ll n){ll res=1;while(n>0){if(n&1) res=res*x%mod;x=x*x%mod;n>>=1;}return res;}#define _sz 1ll F[_sz],R[_sz];void make(){F[0] = 1;for(int i=1;i<_sz;i++) F[i] = F[i-1]*i%mod;R[_sz-1] = modpow(F[_sz-1], mod-2);for(int i=_sz-2;i>=0;i--) R[i] = R[i+1] * (i+1) % mod;}ll C(int a,int b){if(b < 0 || a < b) return 0;return F[a]*R[b]%mod*R[a-b]%mod;}void solve(){int n; cin >> n;hash_table<int, int>ht;auto f = [&](int n, auto f) -> int{if(n == 0) return 0;if(n == 1) return 1;if(n == 2) return 3;if(n == 3) return 6;if(ht.find(n) != ht.end()) return ht[n];int nn = n/2;int ret = nn + f(nn, f);{int num = (n-1)/4+1;ret += 3*num-2 + f(num-1, f);}{int num = (n-3)/4+1;ret += 3*num-1 + f(num, f);}return ht[n] = ret%mod;};o((f(n, f)%mod+mod)%mod);}signed main(){cin.tie(0);ios::sync_with_stdio(0);cout<<fixed<<setprecision(20);int t; t = 1; //cin >> t;while(t--) solve();}