#840963 (C++14) No.2218 Multiple LIS

• 問題: No.2218 Multiple LIS
• ユーザー: tokitsukaze
• 提出日時: 2023-02-17 21:46:46
• 言語: C++14 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 120 ms / 3,000 ms
• コード長: 4,707 bytes
• コンパイル時間: 2,067 ms
• コンパイル使用メモリ: 191,380 KB
• 実行使用メモリ: 5,320 KB
• 最終ジャッジ日時: 2023-09-26 19:01:47
• 合計ジャッジ時間: 4,776 ms
• ジャッジサーバーID （参考情報）: judge14 / judge15

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	2 ms; 4,612 KB
testcase_01	AC	2 ms; 4,612 KB
testcase_02	AC	3 ms; 4,596 KB
testcase_03	AC	2 ms; 4,628 KB
testcase_04	AC	2 ms; 4,636 KB
testcase_05	AC	3 ms; 4,692 KB
testcase_06	AC	2 ms; 4,640 KB
testcase_07	AC	2 ms; 4,620 KB
testcase_08	AC	3 ms; 4,624 KB
testcase_09	AC	2 ms; 4,748 KB
testcase_10	AC	2 ms; 4,636 KB
testcase_11	AC	3 ms; 4,628 KB
testcase_12	AC	2 ms; 4,628 KB
testcase_13	AC	2 ms; 4,692 KB
testcase_14	AC	3 ms; 4,632 KB
testcase_15	AC	3 ms; 4,624 KB
testcase_16	AC	2 ms; 4,776 KB
testcase_17	AC	3 ms; 4,756 KB
testcase_18	AC	2 ms; 4,644 KB
testcase_19	AC	2 ms; 4,628 KB
testcase_20	AC	2 ms; 4,864 KB
testcase_21	AC	7 ms; 4,692 KB
testcase_22	AC	33 ms; 4,868 KB
testcase_23	AC	55 ms; 5,056 KB
testcase_24	AC	13 ms; 4,756 KB
testcase_25	AC	61 ms; 4,976 KB
testcase_26	AC	85 ms; 5,316 KB
testcase_27	AC	86 ms; 5,192 KB
testcase_28	AC	86 ms; 5,108 KB
testcase_29	AC	86 ms; 5,264 KB
testcase_30	AC	85 ms; 5,128 KB
testcase_31	AC	25 ms; 5,196 KB
testcase_32	AC	25 ms; 5,320 KB
testcase_33	AC	25 ms; 5,120 KB
testcase_34	AC	24 ms; 5,116 KB
testcase_35	AC	25 ms; 5,112 KB
testcase_36	AC	3 ms; 5,108 KB
testcase_37	AC	120 ms; 5,112 KB
testcase_38	AC	2 ms; 4,644 KB
testcase_39	AC	3 ms; 4,624 KB
testcase_40	AC	98 ms; 5,132 KB
testcase_41	AC	98 ms; 5,112 KB

ソースコード

#include <bits/stdc++.h>
using namespace std;
namespace fastIO{
	#define BUF_SIZE 100000
	#define OUT_SIZE 100000
	//fread->read
	bool IOerror=0;
	//inline char nc(){char ch=getchar();if(ch==-1)IOerror=1;return ch;} 
	inline char nc(){
		static char buf[BUF_SIZE],*p1=buf+BUF_SIZE,*pend=buf+BUF_SIZE;
		if(p1==pend){
			p1=buf;pend=buf+fread(buf,1,BUF_SIZE,stdin);
			if(pend==p1){IOerror=1;return -1;}
		}
		return *p1++;
	}
	inline bool blank(char ch){return ch==' '||ch=='\n'||ch=='\r'||ch=='\t';}
	template<class T> inline bool read(T &x){
		bool sign=0;char ch=nc();x=0;
		for(;blank(ch);ch=nc());
		if(IOerror)return false;
		if(ch=='-')sign=1,ch=nc();
		for(;ch>='0'&&ch<='9';ch=nc())x=x*10+ch-'0';
		if(sign)x=-x;
		return true;
	}
	inline bool read(double &x){
		bool sign=0;char ch=nc();x=0;
		for(;blank(ch);ch=nc());
		if(IOerror)return false;
		if(ch=='-')sign=1,ch=nc();
		for(;ch>='0'&&ch<='9';ch=nc())x=x*10+ch-'0';
		if(ch=='.'){
			double tmp=1; ch=nc();
			for(;ch>='0'&&ch<='9';ch=nc())tmp/=10.0,x+=tmp*(ch-'0');
		}
		if(sign)x=-x;
		return true;
	}
	inline bool read(char *s){
		char ch=nc();
		for(;blank(ch);ch=nc());
		if(IOerror)return false;
		for(;!blank(ch)&&!IOerror;ch=nc())*s++=ch;
		*s=0;
		return true;
	}
	inline bool read_line(char *s){
		char ch=nc();
		for(;blank(ch);ch=nc());
		if(IOerror)return false;
		for(;ch!='\n'&&!IOerror;ch=nc())*s++=ch;
		*s=0;
		return true;
	}
	inline bool read(char &c){
		for(c=nc();blank(c);c=nc());
		if(IOerror){c=-1;return false;}
		return true; 
	}
	template<class T,class... U>bool read(T& h,U&... t){return read(h)&&read(t...);}
	#undef OUT_SIZE
	#undef BUF_SIZE
};
using namespace fastIO;
/************* debug begin *************/
string to_string(string s){return '"'+s+'"';}
string to_string(const char* s){return to_string((string)s);}
string to_string(const bool& b){return(b?"true":"false");}
template<class T>string to_string(T x){ostringstream sout;sout<<x;return sout.str();}
template<class A,class B>string to_string(pair<A,B> p){return "("+to_string(p.first)+", "+to_string(p.second)+")";}
template<class A>string to_string(const vector<A> v){
	int f=1;string res="{";for(const auto x:v){if(!f)res+= ", ";f=0;res+=to_string(x);}res+="}";
	return res;
}
void debug_out(){puts("");}
template<class T,class... U>void debug_out(const T& h,const U&... t){cout<<" "<<to_string(h);debug_out(t...);}
#ifdef tokitsukaze 
#define debug(...) cout<<"["<<#__VA_ARGS__<<"]:",debug_out(__VA_ARGS__);
#else
#define debug(...) 233;
#endif
/*************  debug end  *************/
#define mem(a,b) memset((a),(b),sizeof(a))
#define MP make_pair
#define pb push_back
#define fi first
#define se second
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define sqr(x) ((x)*(x))
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> PII;
typedef pair<ll,ll> PLL;
typedef pair<int,ll> PIL;
typedef pair<ll,int> PLI;
typedef vector<int> VI;
typedef vector<ll> VL;
typedef vector<PII> VPII;
typedef vector<PLL> VPLL;
typedef vector<string> VS;
typedef vector<VI> VVI;
typedef vector<VL> VVL;
typedef vector<VS> VVS;
typedef vector<VPII> VVPII;
/************* define end  *************/
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/hash_policy.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
/********* gp_hash_table end  **********/
void read(int *x,int l,int r){for(int i=l;i<=r;i++) read(x[i]);}
void read(ll *x,int l,int r){for(int i=l;i<=r;i++) read(x[i]);}
void read(double *x,int l,int r){for(int i=l;i<=r;i++) read(x[i]);}
void println(VI x){for(int i=0;i<sz(x);i++) printf("%d%c",x[i]," \n"[i==sz(x)-1]);}
void println(VL x){for(int i=0;i<sz(x);i++) printf("%lld%c",x[i]," \n"[i==sz(x)-1]);}
void println(int *x,int l,int r){for(int i=l;i<=r;i++) printf("%d%c",x[i]," \n"[i==r]);}
void println(ll *x,int l,int r){for(int i=l;i<=r;i++) printf("%lld%c",x[i]," \n"[i==r]);}
/*************** IO end  ***************/
void go();
int main(){
	#ifdef tokitsukaze
		freopen("TEST.txt","r",stdin);
	#endif
	go();return 0;
}
const int INF=0x3f3f3f3f;
const ll LLINF=0x3f3f3f3f3f3f3f3fLL;
const double PI=acos(-1.0);
const double eps=1e-6;
const int MAX=3e5+10;
const ll mod=1e9+7;
/*********************************  head  *********************************/
int a[MAX],dp[MAX],pre[MAX];
void go()
{
	int n,i,j,ans;
	while(read(n))
	{
		read(a,1,n);
		mem(dp,0);
		for(i=1;i<=n;i++)
		{
			dp[a[i]]++;
			for(j=1;j<a[i]&&j*j<=a[i];j++)
			{
				if(a[i]%j) continue;
				dp[a[i]]=max(dp[a[i]],dp[j]+1);
				if(a[i]!=a[i]/j) dp[a[i]]=max(dp[a[i]],dp[a[i]/j]+1);
			}
	//		debug(i,dp[a[i]])
		}
		ans=0;
		for(i=1;i<=100000;i++) ans=max(ans,dp[i]);
		printf("%d\n",ans);
	}
}