結果
問題 | No.1649 Manhattan Square |
ユーザー | mugen_1337 |
提出日時 | 2021-08-14 20:49:02 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 499 ms / 3,000 ms |
コード長 | 7,063 bytes |
コンパイル時間 | 2,440 ms |
コンパイル使用メモリ | 227,232 KB |
実行使用メモリ | 27,476 KB |
最終ジャッジ日時 | 2024-10-05 20:15:41 |
合計ジャッジ時間 | 23,671 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
5,248 KB |
testcase_02 | AC | 7 ms
5,248 KB |
testcase_03 | AC | 7 ms
5,248 KB |
testcase_04 | AC | 7 ms
5,248 KB |
testcase_05 | AC | 7 ms
5,248 KB |
testcase_06 | AC | 7 ms
5,248 KB |
testcase_07 | AC | 499 ms
27,376 KB |
testcase_08 | AC | 485 ms
27,428 KB |
testcase_09 | AC | 481 ms
27,328 KB |
testcase_10 | AC | 474 ms
27,444 KB |
testcase_11 | AC | 477 ms
27,328 KB |
testcase_12 | AC | 451 ms
27,396 KB |
testcase_13 | AC | 460 ms
27,344 KB |
testcase_14 | AC | 463 ms
27,348 KB |
testcase_15 | AC | 433 ms
27,252 KB |
testcase_16 | AC | 468 ms
27,472 KB |
testcase_17 | AC | 487 ms
27,344 KB |
testcase_18 | AC | 487 ms
27,348 KB |
testcase_19 | AC | 447 ms
27,412 KB |
testcase_20 | AC | 459 ms
27,344 KB |
testcase_21 | AC | 454 ms
27,348 KB |
testcase_22 | AC | 467 ms
27,344 KB |
testcase_23 | AC | 438 ms
27,344 KB |
testcase_24 | AC | 461 ms
27,476 KB |
testcase_25 | AC | 449 ms
27,328 KB |
testcase_26 | AC | 453 ms
27,392 KB |
testcase_27 | AC | 451 ms
27,428 KB |
testcase_28 | AC | 452 ms
27,472 KB |
testcase_29 | AC | 458 ms
27,340 KB |
testcase_30 | AC | 460 ms
27,340 KB |
testcase_31 | AC | 459 ms
27,340 KB |
testcase_32 | AC | 451 ms
27,340 KB |
testcase_33 | AC | 459 ms
27,348 KB |
testcase_34 | AC | 442 ms
27,344 KB |
testcase_35 | AC | 454 ms
27,444 KB |
testcase_36 | AC | 445 ms
27,284 KB |
testcase_37 | AC | 469 ms
27,416 KB |
testcase_38 | AC | 458 ms
27,476 KB |
testcase_39 | AC | 457 ms
27,468 KB |
testcase_40 | AC | 463 ms
27,348 KB |
testcase_41 | AC | 459 ms
27,324 KB |
testcase_42 | AC | 440 ms
27,344 KB |
testcase_43 | AC | 2 ms
5,248 KB |
testcase_44 | AC | 2 ms
5,248 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; #define ALL(x) begin(x),end(x) #define rep(i,n) for(int i=0;i<(n);i++) #define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl; #define mod 1000000007 using ll=long long; const int INF=1000000000; const ll LINF=1001002003004005006ll; int dx[]={1,0,-1,0},dy[]={0,1,0,-1}; // ll gcd(ll a,ll b){return b?gcd(b,a%b):a;} template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;} template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return true;}return false;} struct IOSetup{ IOSetup(){ cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(12); } } iosetup; template<typename T> ostream &operator<<(ostream &os,const vector<T>&v){ for(int i=0;i<(int)v.size();i++) os<<v[i]<<(i+1==(int)v.size()?"":" "); return os; } template<typename T> istream &operator>>(istream &is,vector<T>&v){ for(T &x:v)is>>x; return is; } template<ll Mod> struct ModInt{ long long x; ModInt():x(0){} ModInt(long long y):x(y>=0?y%Mod:(Mod-(-y)%Mod)%Mod){} ModInt &operator+=(const ModInt &p){ if((x+=p.x)>=Mod) x-=Mod; return *this; } ModInt &operator-=(const ModInt &p){ if((x+=Mod-p.x)>=Mod)x-=Mod; return *this; } ModInt &operator*=(const ModInt &p){ x=(int)(1ll*x*p.x%Mod); return *this; } ModInt &operator/=(const ModInt &p){ (*this)*=p.inverse(); return *this; } ModInt operator-()const{return ModInt(-x);} ModInt operator+(const ModInt &p)const{return ModInt(*this)+=p;} ModInt operator-(const ModInt &p)const{return ModInt(*this)-=p;} ModInt operator*(const ModInt &p)const{return ModInt(*this)*=p;} ModInt operator/(const ModInt &p)const{return ModInt(*this)/=p;} bool operator==(const ModInt &p)const{return x==p.x;} bool operator!=(const ModInt &p)const{return x!=p.x;} ModInt inverse()const{ int a=x,b=Mod,u=1,v=0,t; while(b>0){ t=a/b; swap(a-=t*b,b);swap(u-=t*v,v); } return ModInt(u); } ModInt pow(long long n)const{ ModInt ret(1),mul(x); while(n>0){ if(n&1) ret*=mul; mul*=mul;n>>=1; } return ret; } friend ostream &operator<<(ostream &os,const ModInt &p){return os<<p.x;} friend istream &operator>>(istream &is,ModInt &a){long long t;is>>t;a=ModInt<Mod>(t);return (is);} static int get_mod(){return Mod;} }; using mint=ModInt<998244353>; template<typename Monoid> struct SegmentTree{ using F=function<Monoid(Monoid,Monoid)>; private: int sz; vector<Monoid> seg; Monoid query(int a,int b,int k,int l,int r){ if(a<=l and r<=b) return seg[k]; if(b<=l or r<=a) return M0; Monoid L=query(a,b,2*k,l,(l+r)/2); Monoid R=query(a,b,2*k+1,(l+r)/2,r); return f(L,R); } template<typename C> int find_first(int a,const C &check,Monoid &acc,int k,int l,int r){ if(k>=sz){ acc=f(acc,seg[k]); if(check(acc)) return -1; else return k-sz; } int m=(l+r)/2; if(m<=a) return find_first(a,check,acc,2*k+1,m,r); if(a<=l and check(f(acc,seg[k]))){ acc=f(acc,seg[k]); return -1; } int x=find_first(a,check,acc,2*k+0,l,m); if(x>=0) return x; return find_first(a,check,acc,2*k+1,m,r); } template<typename C> int find_last(int b,const C &check,Monoid &acc,int k,int l,int r){ if(k>=sz){ acc=f(acc,seg[k]); if(check(acc)) return -1; else return k-sz+1;//ここはfalse, +1した位置はtrue } int m=(l+r)/2; if(b<=m) return find_last(b,check,acc,2*k,l,m); if(r<=b and check(f(acc,seg[k]))){ acc=f(acc,seg[k]); return -1; } int x=find_last(b,check,acc,2*k+1,m,r); if(x>=0) return x; return find_last(b,check,acc,2*k,l,m); } public: F f; Monoid M0;// モノイドの元 SegmentTree(int n,F f,Monoid M0):f(f),M0(M0){ sz=1; while(sz<n)sz<<=1; seg.assign(2*sz,M0); } void set(int k,Monoid x){ seg[k+sz]=x; } void build(){ for(int k=sz-1;k>0;k--) seg[k]=f(seg[2*k],seg[2*k+1]); } void update(int k,Monoid x){ k+=sz; seg[k]=x; k>>=1; for(;k;k>>=1) seg[k]=f(seg[2*k],seg[2*k+1]); } Monoid query(int a,int b){ return query(a,b,1,0,sz); } Monoid operator[](const int &k)const{ return seg[k+sz]; } // http://codeforces.com/contest/914/submission/107505449 // max x, check(query(a, x)) = true template<typename C> int find_first(int a,const C &check){ Monoid val=M0; return find_first(a,check,val,1,0,sz); } // http://codeforces.com/contest/914/submission/107505582 // min x, check(query(x, b)) = true template<typename C> int find_last(int b,C &check){ Monoid val=M0; return find_last(b,check,val,1,0,sz); } }; mint ManhattanSquareSum(vector<ll> x,vector<ll> y){ int N=(int)x.size(); mint ret=0; { mint sx=0,sy=0,sxx=0,syy=0; for(int i=0;i<N;i++){ ret+=(mint)x[i]*x[i]*i+sxx-sx*x[i]*2; ret+=(mint)y[i]*y[i]*i+syy-sy*y[i]*2; sx+=x[i],sy+=y[i]; sxx+=(mint)x[i]*x[i]; syy+=(mint)y[i]*y[i]; } } { vector<int> idx(N); iota(begin(idx),end(idx),0); sort(begin(idx),end(idx),[&](int i,int j){return x[i]>x[j];}); auto nx=x,ny=y; for(int i=0;i<N;i++) nx[i]=x[idx[i]],ny[i]=y[idx[i]]; swap(x,nx); swap(y,ny); } { vector<int> yid(N),yp(N); iota(begin(yid),end(yid),0); sort(begin(yid),end(yid),[&](int i,int j){return y[i]<y[j];}); for(int i=0;i<N;i++) yp[yid[i]]=i; using P=pair<mint,mint>; auto segf=[&](P a,P b){ a.first+=b.first; a.second+=b.second; return a; }; SegmentTree<P> sega(N,segf,P(0,0)),segb(N,segf,P(0,0)); for(int i=0;i<N;i++){ sega.set(yp[i],P(y[i],1)); segb.set(i,P(0,0)); } sega.build(); segb.build(); for(int i=0;i<N;i++){ int j=yp[i]; auto l=sega.query(0,j); auto r=sega.query(j+1,N); mint add=mint(y[i])*l.second-l.first+r.first-mint(y[i])*r.second; l=segb.query(0,j); r=segb.query(j+1,N); mint sub=mint(y[i])*l.second-l.first+r.first-mint(y[i])*r.second; ret+=(add-sub)*x[i]*2; sega.update(j,P(0,0)); segb.update(j,P(y[i],1)); } } return ret; } signed main(){ int N;cin>>N; vector<ll> x(N),y(N); rep(i,N) cin>>x[i]>>y[i]; cout<<ManhattanSquareSum(x,y)<<endl; return 0; }