#306271 (C++14) No.777 再帰的ケーキ

提出ソース

結果

問題	No.777 再帰的ケーキ
ユーザー	もりを
提出日時	2018-12-24 01:20:09
言語	C++14 (gcc 12.3.0 + boost 1.83.0)
結果	RE
実行時間	-
コード長	7,167 bytes
コンパイル時間	2,127 ms
コンパイル使用メモリ	185,596 KB
実行使用メモリ	16,640 KB
最終ジャッジ日時	2024-09-25 10:53:14
合計ジャッジ時間	6,936 ms
ジャッジサーバーID （参考情報）	judge4 / judge2

このコードへのチャレンジ
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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	5 ms 8,964 KB
testcase_01	AC	5 ms 8,892 KB
testcase_02	AC	5 ms 8,744 KB
testcase_03	AC	6 ms 8,900 KB
testcase_04	AC	5 ms 8,924 KB
testcase_05	AC	5 ms 8,852 KB
testcase_06	AC	6 ms 8,844 KB
testcase_07	RE	-
testcase_08	RE	-
testcase_09	AC	6 ms 8,920 KB
testcase_10	WA	-
testcase_11	AC	5 ms 8,936 KB
testcase_12	AC	6 ms 8,892 KB
testcase_13	AC	5 ms 8,960 KB
testcase_14	AC	6 ms 8,960 KB
testcase_15	AC	5 ms 8,880 KB
testcase_16	AC	5 ms 8,916 KB
testcase_17	AC	5 ms 8,808 KB
testcase_18	AC	5 ms 8,748 KB
testcase_19	RE	-
testcase_20	RE	-
testcase_21	RE	-
testcase_22	RE	-
testcase_23	AC	6 ms 9,100 KB
testcase_24	AC	6 ms 8,932 KB
testcase_25	RE	-
testcase_26	RE	-
testcase_27	AC	7 ms 8,996 KB
testcase_28	RE	-
testcase_29	RE	-
testcase_30	RE	-
testcase_31	RE	-
testcase_32	AC	117 ms 15,888 KB
testcase_33	AC	85 ms 16,468 KB
testcase_34	AC	126 ms 16,640 KB
testcase_35	RE	-
testcase_36	AC	115 ms 15,632 KB

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ソースコード

raw source code

#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef long long ll;       typedef long double ld;  typedef pair<int,int> pii; typedef pair<ll,ll> pll;  typedef vector<int> vi;   typedef vector<ll> vl;
typedef vector<string> vst; typedef vector<bool> vb; typedef vector<ld> vld;    typedef vector<pii> vpii; typedef vector<pll> vpll; typedef vector<vector<int> > vvi;
const int INF = (0x7FFFFFFFL); const ll INFF = (0x7FFFFFFFFFFFFFFFL); const string ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const int MOD = 1e9 + 7;       const int MODD = 998244353;            const string alphabet = "abcdefghijklmnopqrstuvwxyz";
const double PI = acos(-1.0);  const double EPS = 1e-9;               const string Alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
int dx[9] = { 1, 0, -1,  0,  1, -1, -1, 1, 0 };
int dy[9] = { 0, 1,  0, -1, -1, -1,  1, 1, 0 };
#define ln '\n'
#define scnaf scanf
#define sacnf scanf
#define sancf scanf
#define SS(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__);
template<typename T> void MACRO_VAR_Scan(T& t){cin >> t;}template<typename First, typename...Rest> void MACRO_VAR_Scan(First& first, Rest&...rest){cin >> first;MACRO_VAR_Scan(rest...);}
#define SV(type,c,n) vector<type> c(n);for(auto& i:c)cin >> i;
#define SVV(type,c,n,m) vector<vector<type>> c(n,vector<type>(m));for(auto& r:c)for(auto& i:r)cin >> i;
template<class T>ostream &operator<<(ostream &o,const vector<T>&j){o<<"{";for(int i=0;i<(int)j.size();++i)o<<(i>0?", ":"")<<j[i];o<<"}";return o;}
template<class T,class U>ostream &operator<<(ostream &o,const pair<T,U>&j){o<<"{"<<j.first<<", "<<j.second<<"}";return o;}
template<class T,class U>ostream &operator<<(ostream &o,const map<T,U>&j){o<<"{";for(auto t=j.begin();t!=j.end();++t)o<<(t!=j.begin()?", ":"")<<*t;o<<"}";return o;}
template<class T>ostream &operator<<(ostream &o,const set<T>&j){o<<"{";for(auto t=j.begin();t!=j.end();++t)o<<(t!=j.begin()?", ":"")<<*t;o<<"}";return o;}
inline void print(void){cout << endl;}
template<class Head> void print(Head&& head){cout << head;print();} template<class Head,class... Tail> void print(Head&& head,Tail&&... tail){cout<<head<<" ";print(forward<Tail>(tail)...);}
inline void debug(void){cerr << endl;}
template<class Head> void debug(Head&& head){cerr << head;debug();} template<class Head,class... Tail> void debug(Head&& head,Tail&&... tail){cerr<<head<<" ";debug(forward<Tail>(tail)...);}
template<typename T> void PA(T &a){int ASIZE=sizeof(a)/sizeof(a[0]);for(int ii=0;ii<ASIZE;++ii){cout<<a[ii]<<" \n"[ii==ASIZE-1];}}
template<typename T> void PV(T &v){int VSIZE=v.size();for(int ii=0;ii<VSIZE;++ii){cout<<v[ii]<<" \n"[ii==VSIZE-1];}}
#define ER(x)  cerr << #x << " = " << (x) << endl;
#define ERV(v) {cerr << #v << " : ";for(const auto& xxx : v){cerr << xxx << " ";}cerr << "\n";}
inline void YES(bool x){cout<<((x)?"YES":"NO")<<endl;} inline void Yes(bool x){cout<<((x)?"Yes":"No")<<endl;}  inline void yes(bool x){cout<<((x)?"yes":"no")<<endl;}
inline void yES(bool x){cout<<((x)?"yES":"nO")<<endl;} inline void Yay(bool x){cout<<((x)?"Yay!":":(")<<endl;}
template<typename A,typename B> void sankou(bool x,A a,B b){cout<<((x)?(a):(b))<<endl;}
#define _overload3(_1,_2,_3,name,...) name
#define _REP(i,n) REPI(i,0,n)
#define REPI(i,a,b) for(ll i=ll(a);i<ll(b);++i)
#define REP(...) _overload3(__VA_ARGS__,REPI,_REP,)(__VA_ARGS__)
#define _RREP(i,n) RREPI(i,n,0)
#define RREPI(i,a,b) for(ll i=ll(a);i>=ll(b);--i)
#define RREP(...) _overload3(__VA_ARGS__,RREPI,_RREP,)(__VA_ARGS__)
#define EACH(e,v) for(auto& e : v)
#define PERM(v) sort((v).begin(),(v).end());for(bool c##p=1;c##p;c##p=next_permutation((v).begin(),(v).end()))
#define ADD(a,b) a=(a+ll(b))%MOD
#define MUL(a,b) a=(a*ll(b))%MOD
inline ll MOP(ll x,ll n,ll m=MOD){ll r=1;while(n>0){if(n&1)(r*=x)%=m;(x*=x)%=m;n>>=1;}return r;}
inline ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}inline ll lcm(ll a,ll b){return a*b/gcd(a,b);}inline ll POW(ll a,ll b){ll c=1ll;do{if(b&1)c*=1ll*a;a*=1ll*a;}while(b>>=1);return c;}
template<typename T> inline bool between(T x,T a,T b) {return ((a<=x)&&(x<b));}template<class T> inline T sqr(T x){return x*x;}
template<typename A,typename B> inline bool chmax(A &a,const B &b){if(a<b){a=b;return 1;}return 0;}
template<typename A,typename B> inline bool chmin(A &a,const B &b){if(a>b){a=b;return 1;}return 0;}
#define tmax(x,y,z) max((x),max((y),(z)))
#define tmin(x,y,z) min((x),min((y),(z)))
#define PB push_back
#define MP make_pair
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define SORT(v) sort((v).begin(),(v).end())
#define RSORT(v) sort((v).rbegin(),(v).rend())
#define EXIST(s,e) (find((s).begin(),(s).end(),(e))!=(s).end())
#define EXISTST(s,c) (((s).find(c))!=string::npos)
#define POSL(x,val) (lower_bound(x.begin(),x.end(),val)-x.begin())
#define POSU(x,val) (upper_bound(x.begin(),x.end(),val)-x.begin())
#define SZV(a) int((a).size())
#define SZA(a) sizeof(a)/sizeof(a[0])
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
#define MEMINF(a) memset(a,0x3f,sizeof(a))
#define FILL(a,b) memset(a,b,sizeof(a))
#define UNIQUE(v) sort((v).begin(),(v).end());(v).erase(unique((v).begin(),(v).end()),(v).end())
struct abracadabra{
    abracadabra(){
        cin.tie(0); ios::sync_with_stdio(0);
        cout << fixed << setprecision(20);
    };
} ABRACADABRA;

//---------------8<---------------8<---------------8<---------------8<---------------//

template<typename T> struct SegmentTree {

  using F = function< T(T,T) >;

  vector< T > seg;

  int size;
  const F func;
  const T M1;

  SegmentTree(int n, const F f, const T &M) : func(f), M1(M) {
    size = 1; while (size < n) size *= 2;
    seg.resize(2 * size - 1, M1);
  }

  void set(int k, int x) {
    seg[k + size - 1] = x;
  }

  void build() {
    for (int i = size - 2; i >= 0; --i) {
      seg[i] = func(seg[2*i+1], seg[2*i+2]);
    }
  }

  void update(int k, int x) {
    k += size - 1;
    seg[k] = x;
    while (k > 0) {
      k = (k - 1) / 2;
      seg[k] = func(seg[2*k+1], seg[2*k+2]);
    }
  }

  T query(int l) {
    return query(0, l);
  }

  T query(int a, int b, int k = 0, int l = 0, int r = -1) {
    if (r < 0) r = size;
    if (r <= a || l >= b) return M1;
    if (l >= a && r <= b) return seg[k];
    T f_l = query(a, b, 2*k+1, l, (l+r)/2);
    T f_r = query(a, b, 2*k+2, (l+r)/2, r);
    return func(f_l, f_r);
  }

  void debug() {
    for (int i = 0; i < 2 * size - 1; ++i) {
      cerr << seg[i] << " \n"[i==2*size-2];
    }
  }

};

vl dp(200200);

signed main() {

  SS(int, N);

  SegmentTree<int> seg_max(200200, [] (int a, int b) {
    return max(a,b);
  }, 0);

  using tiii = tuple<int,int,int>;
  vector<tiii> whc;
  REP(i, N) {
    SS(int, w, h, c);
    whc.PB(make_tuple(w, h, c));
  }
  sort(whc.begin(), whc.end(), [] (tiii a, tiii b) {
    return (get<0>(a) == get<0>(b)) ? ((get<1>(a) == get<1>(b)) ? (get<2>(a) > get<2>(b)) : (get<1>(a) > get<1>(b))) : (get<0>(a) < get<0>(b));
  });

  REP(i, N) {
    chmax(dp[i], seg_max.query(get<1>(whc[i])) + get<2>(whc[i]));
    seg_max.update(get<1>(whc[i]), dp[i]);
  }

  print(*max_element(dp.begin(), dp.end()));

}

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結果

テストケース

ソースコード