結果
問題 | No.2796 Small Matryoshka |
ユーザー | Taiki0715 |
提出日時 | 2024-06-28 21:45:02 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 763 ms / 2,000 ms |
コード長 | 4,816 bytes |
コンパイル時間 | 5,133 ms |
コンパイル使用メモリ | 308,456 KB |
実行使用メモリ | 350,336 KB |
最終ジャッジ日時 | 2024-06-28 21:45:18 |
合計ジャッジ時間 | 12,140 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 134 ms
75,520 KB |
testcase_06 | AC | 739 ms
350,336 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | AC | 513 ms
156,160 KB |
testcase_09 | AC | 686 ms
250,496 KB |
testcase_10 | AC | 684 ms
248,960 KB |
testcase_11 | AC | 763 ms
289,152 KB |
testcase_12 | AC | 53 ms
5,376 KB |
testcase_13 | AC | 9 ms
5,376 KB |
testcase_14 | AC | 46 ms
5,376 KB |
testcase_15 | AC | 14 ms
5,376 KB |
testcase_16 | AC | 23 ms
5,376 KB |
testcase_17 | AC | 628 ms
257,152 KB |
testcase_18 | AC | 717 ms
287,744 KB |
testcase_19 | AC | 215 ms
105,472 KB |
testcase_20 | AC | 297 ms
139,136 KB |
testcase_21 | AC | 585 ms
255,360 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; template<int mod>istream &operator>>(istream &is,static_modint<mod> &a){long long b;is>>b;a=b;return is;} istream &operator>>(istream &is,modint &a){long long b;cin>>b;a=b;return is;} #endif #ifdef LOCAL #include "debug.h" #else #define debug(...) static_cast<void>(0) #define debugg(...) static_cast<void>(0) #define esper(...) static_cast<void>(0) template<typename T1,typename T2>ostream &operator<<(ostream &os,const pair<T1,T2>&p){os<<p.first<<' '<<p.second;return os;} #endif using ll=long long; using ull=unsigned long long; using P=pair<ll,ll>; template<typename T>using minque=priority_queue<T,vector<T>,greater<T>>; template<typename T>bool chmax(T &a,const T &b){return (a<b?(a=b,true):false);} template<typename T>bool chmin(T &a,const T &b){return (a>b?(a=b,true):false);} template<typename T1,typename T2>istream &operator>>(istream &is,pair<T1,T2>&p){is>>p.first>>p.second;return is;} template<typename T>istream &operator>>(istream &is,vector<T> &a){for(auto &i:a)is>>i;return is;} template<typename T1,typename T2>void operator++(pair<T1,T2>&a,int n){a.first++,a.second++;} template<typename T1,typename T2>void operator--(pair<T1,T2>&a,int n){a.first--,a.second--;} template<typename T>void operator++(vector<T>&a,int n){for(auto &i:a)i++;} template<typename T>void operator--(vector<T>&a,int n){for(auto &i:a)i--;} #define reps(i,a,n) for(int i=(a);i<int(n);i++) #define rep(i,n) reps(i,0,n) #define all(x) x.begin(),x.end() #define pcnt(x) __builtin_popcountll(x) #define fin(x) return cout<<x<<'\n',static_cast<void>(0) ll myceil(ll a,ll b){return (a+b-1)/b;} template<typename T,size_t n,size_t id=0> auto vec(const int (&d)[n],const T &init=T()){ if constexpr (id<n)return vector(d[id],vec<T,n,id+1>(d,init)); else return init; } void SOLVE(); int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); cout<<fixed<<setprecision(16); #ifdef LOCAL clock_t start=clock(); #endif int testcase=1; //cin>>testcase; for(int i=0;i<testcase;i++){ SOLVE(); } #ifdef LOCAL cerr<<"time:"; cerr<<(clock()-start)/1000; cerr<<"ms\n"; #endif } template<typename I,typename S,S (*op)(S,S),S (*e)(),typename F,S (*mapping)(F,S,I,I),F (*composition)(F,F),F (*id)()> struct DynamicLazySegmentTree{ private: struct node{ I l,r; node *left,*right; S val; F lazy; node(I l,I r,S val):l(l),r(r),val(val),lazy(id()),left(nullptr),right(nullptr){} void propagate(F f){ val=mapping(f,val,l,r); lazy=composition(f,lazy); } void push(){ I mid=(l+r)/2; if(!left)left=new node(l,mid,e()); if(!right)right=new node(mid,r,e()); left->propagate(lazy); right->propagate(lazy); lazy=id(); } void update(){ val=e(); if(left)val=op(val,left->val); if(right)val=op(val,right->val); } }; node *root; void set(node *v,I k,S x){ if(v->r-v->l==1){ v->val=x; return; } v->push(); I mid=(v->l+v->r)/2; if(k<mid){ if(!v->left)v->left=new node(v->l,mid,e()); set(v->left,k,x); } else{ if(!v->right)v->right=new node(mid,v->r,e()); set(v->right,k,x); } v->update(); } S get(node *v,I k){ if(!v)return e(); if(v->r-v->l==1)return v->val; v->push(); I mid=(v->l+v->r)/2; if(k<mid)return get(v->left,k); else return get(v->right,k); } void apply(node *v,I lx,I rx,F f){ if(v->r<=lx||rx<=v->l)return; if(lx<=v->l&&v->r<=rx){ v->propagate(f); return; } v->push(); I mid=(v->l+v->r)/2; if(!v->left)v->left=new node(v->l,mid,e()); if(!v->right)v->right=new node(mid,v->r,e()); apply(v->left,lx,rx,f); apply(v->right,lx,rx,f); v->update(); } S prod(node *v,I lx,I rx){ if(!v||v->r<=lx||rx<=v->l)return e(); if(lx<=v->l&&v->r<=rx)return v->val; v->push(); return op(prod(v->left,lx,rx),prod(v->right,lx,rx)); } public: DynamicLazySegmentTree():root(nullptr){} DynamicLazySegmentTree(I l,I r){ root=new node(l,r,e()); } void set(I k,S x){ set(root,k,x); } S get(I k){ return get(root,k); } void apply(I l,I r,F f){ assert(l<=r); apply(root,l,r,f); } S prod(I l,I r){ assert(l<=r); return prod(root,l,r); } S all_prod()const{ return root->val; } }; int op(int x,int y){return max(x,y);} int e(){return 0;} int mapping(int f,int x,int l,int r){return f+x;} int composition(int f,int g){return f+g;} int id(){return 0;} void SOLVE(){ int n; cin>>n; DynamicLazySegmentTree<int,int,op,e,int,mapping,composition,id>seg(0,1e9+1000); rep(i,n){ int l,r; cin>>l>>r; seg.apply(l,r,1); } cout<<seg.all_prod()-1<<endl; }