結果
問題 | No.777 再帰的ケーキ |
ユーザー |
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提出日時 | 2018-12-25 14:14:34 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 183 ms / 2,000 ms |
コード長 | 6,381 bytes |
コンパイル時間 | 2,602 ms |
コンパイル使用メモリ | 210,888 KB |
最終ジャッジ日時 | 2025-01-06 20:02:35 |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 33 |
ソースコード
#include <bits/stdc++.h>using namespace std;using namespace std::chrono;using ll=long long;using ull=unsigned long long;using uint=unsigned int;using pcc=pair<char,char>;using pii=pair<int,int>;using pll=pair<ll,ll>;using pdd=pair<double,double>;const ll LINF=0x3fffffffffffffff;const ll MOD=1000000007;const ll MODD=0x3b800001;const int INF=0x3fffffff;const double DINF=numeric_limits<double>::infinity();const vector<pii> four={{-1,0},{0,1},{1,0},{0,-1}};#define _overload4(_1,_2,_3,_4,name,...) name#define _overload3(_1,_2,_3,name,...) name#define _rep1(n) _rep2(i,n)#define _rep2(i,n) _rep3(i,0,n)#define _rep3(i,a,b) for(ll i=a;i<b;++i)#define _rep4(i,a,b,c) for(ll i=a;i<b;i+=c)#define rep(...) _overload4(__VA_ARGS__,_rep4,_rep3,_rep2,_rep1)(__VA_ARGS__)#define _rrep1(n) _rrep2(i,n)#define _rrep2(i,n) _rrep3(i,0,n)#define _rrep3(i,a,b) for(ll i=b-1;i>=a;i--)#define _rrep4(i,a,b,c) for(ll i=a+(b-a-1)/c*c;i>=a;i-=c)#define rrep(...) _overload4(__VA_ARGS__,_rrep4,_rrep3,_rrep2,_rrep1)(__VA_ARGS__)#define each(i,a) for(auto&& i:a)#define sum(...) accumulate(range(__VA_ARGS__),0LL)#define dsum(...) accumulate(range(__VA_ARGS__),double(0))#define _range(i) (i).begin(),(i).end()#define _range2(i,k) (i).begin(),(i).begin()+k#define _range3(i,a,b) (i).begin()+a,(i).begin()+b#define range(...) _overload3(__VA_ARGS__,_range3,_range2,_range)(__VA_ARGS__)#define _rrange(i) (i).rbegin(),(i).rend()#define _rrange2(i,k) (i).rbegin(),(i).rbegin()+k#define _rrange3(i,a,b) (i).rbegin()+a,(i).rbegin()+b#define rrange(...) _overload3(__VA_ARGS__,_rrange3,_rrange2,_rrange)(__VA_ARGS__)#define yes(i) out(i?"yes":"no")#define Yes(i) out(i?"Yes":"No")#define YES(i) out(i?"YES":"NO")#define Possible(i) out(i?"Possible":"Impossible")#define elif else if#define unless(a) if(!(a))#define mp make_pair#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)#define STR(...) string __VA_ARGS__;in(__VA_ARGS__)#define CHR(...) char __VA_ARGS__;in(__VA_ARGS__)#define DBL(...) double __VA_ARGS__;in(__VA_ARGS__)#define vec(type,name,...) vector<type> name(__VA_ARGS__)#define VEC(type,name,size) vector<type> name(size);in(name)#define vv(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))#define VV(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__));in(name)__attribute__((constructor)) void SETTINGS(){cin.tie(0); cout.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20);};template<class T>inline constexpr T gcd (T a,T b) {if(!a||!b)return 0;return a%b?gcd(b,a%b):b;}template<class T>inline constexpr T lcm (T a,T b) {a*b/gcd(a,b);}template<class T>inline constexpr T min(vector<T>& v){return *min_element(range(v));}inline char min(string& v){return *min_element(range(v));}template<class T>inline constexpr T max(vector<T>& v){return *max_element(range(v));}inline char max(string& v){return *max_element(range(v));}inline ll pow(ll a,ll b){if(b==0)return 1;ll ans=pow(a,b/2);return ans*ans*(b&1?a:1);}template<typename T>inline bool update_min(T& mn,const T& cnt){if(mn>cnt){mn=cnt;return 1;}else return 0;}template<typename T>inline bool update_max(T& mx,const T& cnt){if(mx<cnt){mx=cnt;return 1;}else return 0;}inline void in() {}template<class T>istream& operator >> (istream& is, vector<T>& vec);template<class T,size_t size>istream& operator >> (istream& is, array<T,size>& vec);template<class T,class L>istream& operator >> (istream& is, pair<T,L>& p);template<class T>ostream& operator << (ostream& os, vector<T>& vec);template<class T,class L>ostream& operator << (ostream& os, pair<T,L>& p);template<class T>istream& operator >> (istream& is, vector<T>& vec){for(T& x: vec) is >> x;return is;}template<class T,class L>istream& operator >> (istream& is, pair<T,L>& p){is >> p.first;is >> p.second;return is;}template<class T>ostream& operator << (ostream& os, vector<T>& vec){os << vec[0];rep(i,1,vec.size()){os << ' ' << vec[i];}return os;}template<class T>ostream& operator << (ostream& os, deque<T>& deq){os << deq[0];rep(i,1,deq.size()){os << ' ' << deq[i];}return os;}template<class T,class L>ostream& operator << (ostream& os, pair<T,L>& p){os << p.first << " " << p.second;return os;}template<class T,class L>pair<T,L> operator + (pair<T,L> a, pair<T,L> b){return {a.first + b.first, a.second + b.second};}template <class Head, class... Tail>inline void in(Head&& head,Tail&&... tail){cin>>head;in(move(tail)...);}template <class T>inline bool out(T t){cout<<t<<'\n';return 0;}inline bool out(){cout<<'\n';return 0;}template <class Head, class... Tail>inline bool out(Head head,Tail... tail){cout<<head<<' ';out(move(tail)...);return 0;}template <class T>inline void err(T t){cerr<<t<<'\n';}inline void err(){cerr<<'\n';}template <class Head, class... Tail>inline void err(Head head,Tail... tail){cerr<<head<<' ';out(move(tail)...);}class SegmetTree{public:ll size;vector<ll>data;SegmetTree(ll n){size=1;while(size<n)size*=2;data=vector<ll>(size*2,0);}void set(ll at,ll val){at+=size;data[at]=val;while(at/=2)data[at]=max(data[at*2],data[at*2+1]);}ll get(ll l,ll r){if(l>=r)return 0;ll ans=0;l+=size;r+=size;while(l!=r){if(l&1)update_max(ans,data[l++]);if(r&1)update_max(ans,data[r-1]);l/=2;r/=2;}return ans;}};signed main(){LL(n);vector<pair<pll,ll>>a(n);in(a);sort(range(a));ll back=0;ll c=0;each(i,a){if(back!=i.first.first){c++;back=i.first.first;}i.first.first=c-1;swap(i.first.first,i.first.second);}sort(range(a));c=0;back=0;each(i,a){if(back!=i.first.first){c++;back=i.first.first;}i.first.first=c-1;swap(i.first.first,i.first.second);}each(i,a)i.first.second=c-i.first.second;sort(rrange(a));each(i,a)i.first.second=c-i.first.second;auto seg=SegmetTree(c);each(i,a){ll b;if(seg.data[seg.size+i.first.second]<(b=seg.get(i.first.second+1,c)+i.second))seg.set(i.first.second,b);}out(seg.get(0,c));}