結果

問題 No.1209 XOR Into You
ユーザー kiyoshi0205kiyoshi0205
提出日時 2020-08-30 15:11:08
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 61 ms / 2,000 ms
コード長 5,312 bytes
コンパイル時間 3,160 ms
コンパイル使用メモリ 197,752 KB
実行使用メモリ 9,468 KB
最終ジャッジ日時 2023-08-09 13:00:40
合計ジャッジ時間 6,875 ms
ジャッジサーバーID
(参考情報)
judge15 / judge12
このコードへのチャレンジ(β)

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
4,384 KB
testcase_01 AC 2 ms
4,388 KB
testcase_02 AC 2 ms
4,388 KB
testcase_03 AC 1 ms
4,384 KB
testcase_04 AC 47 ms
8,568 KB
testcase_05 AC 48 ms
8,616 KB
testcase_06 AC 48 ms
8,588 KB
testcase_07 AC 47 ms
8,360 KB
testcase_08 AC 42 ms
7,888 KB
testcase_09 AC 42 ms
7,832 KB
testcase_10 AC 35 ms
7,132 KB
testcase_11 AC 42 ms
7,836 KB
testcase_12 AC 38 ms
7,240 KB
testcase_13 AC 44 ms
8,088 KB
testcase_14 AC 38 ms
7,300 KB
testcase_15 AC 41 ms
7,572 KB
testcase_16 AC 40 ms
7,620 KB
testcase_17 AC 38 ms
7,240 KB
testcase_18 AC 53 ms
9,112 KB
testcase_19 AC 39 ms
7,208 KB
testcase_20 AC 44 ms
8,140 KB
testcase_21 AC 33 ms
6,724 KB
testcase_22 AC 39 ms
9,312 KB
testcase_23 AC 39 ms
9,448 KB
testcase_24 AC 38 ms
9,468 KB
testcase_25 AC 54 ms
9,356 KB
testcase_26 AC 55 ms
9,408 KB
testcase_27 AC 55 ms
9,412 KB
testcase_28 AC 55 ms
9,372 KB
testcase_29 AC 55 ms
9,364 KB
testcase_30 AC 54 ms
9,420 KB
testcase_31 AC 60 ms
9,400 KB
testcase_32 AC 60 ms
9,324 KB
testcase_33 AC 59 ms
9,416 KB
testcase_34 AC 61 ms
9,320 KB
testcase_35 AC 59 ms
9,356 KB
testcase_36 AC 59 ms
9,416 KB
testcase_37 AC 41 ms
9,400 KB
testcase_38 AC 46 ms
8,256 KB
testcase_39 AC 41 ms
7,484 KB
testcase_40 AC 39 ms
9,416 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
// #include<ext/pb_ds/assoc_container.hpp>
// #include<ext/pb_ds/tree_policy.hpp>
// #include<ext/pb_ds/tag_and_trait.hpp>
// using namespace __gnu_pbds;
// #include<boost/multiprecision/cpp_int.hpp>
// namespace multiprecisioninteger = boost::multiprecision;
// using cint=multiprecisioninteger::cpp_int;
using namespace std;
using ll=long long;
#define double long double
using datas=pair<ll,ll>;
using ddatas=pair<double,double>;
using tdata=pair<ll,datas>;
using vec=vector<ll>;
using mat=vector<vec>;
using pvec=vector<datas>;
using pmat=vector<pvec>;
// using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>;
#define For(i,a,b) for(i=a;i<(ll)b;++i)
#define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i)
#define rep(i,N) For(i,0,N)
#define rep1(i,N) For(i,1,N)
#define brep(i,N) bFor(i,N,0)
#define brep1(i,N) bFor(i,N,1)
#define all(v) (v).begin(),(v).end()
#define allr(v) (v).rbegin(),(v).rend()
#define vsort(v) sort(all(v))
#define vrsort(v) sort(allr(v))
#define endl "\n"
#define eb emplace_back
#define print(v) cout<<v<<endl
#define printyes cout<<"Yes"<<endl
#define printno cout<<"No"<<endl
#define printYES cout<<"YES"<<endl
#define printNO cout<<"NO"<<endl
#define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0)
#define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0)
const ll mod=1000000007;
// const ll mod=998244353;
const ll inf=1LL<<60;
const double PI = acos(-1);
const double eps = 1e-9;
template<class T> inline bool chmax(T& a,T b){bool x=a<b;if(x)a=b;return x;} 
template<class T> inline bool chmin(T& a,T b){bool x=a>b;if(x)a=b;return x;} 

void startupcpp(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout<<fixed<<setprecision(15);
}

double distance(ddatas x,ddatas y){
  double a=x.first-y.first,b=x.second-y.second;
  return sqrt(a*a+b*b);
}

ll modinv(ll a) {
  ll b=mod,u=1,v=0,t;
  while(b){
    t=a/b;
    a-=t*b; swap(a,b);
    u-=t*v; swap(u,v);
  }
  return (u+mod)%mod;
}

ll moddevide(ll a,ll b){return (a*modinv(b))%mod;}

vec modncrlistp,modncrlistm;

ll modncr(ll n,ll r){
  if(n<r)return 0;
  ll i,size=modncrlistp.size();
  if(size<=n){
    modncrlistp.resize(n+1);
    modncrlistm.resize(n+1);
    if(!size){
      modncrlistp[0]=modncrlistm[0]=1;
      size++;
    }
    For(i,size,n+1){
      modncrlistp[i]=modncrlistp[i-1]*i%mod;
      modncrlistm[i]=modinv(modncrlistp[i]);
    }
  }
  return modncrlistp[n]*modncrlistm[r]%mod*modncrlistm[n-r]%mod;
}

ll modpow(ll a,ll n){
  ll res=1;
  while(n>0){
    if(n&1)res=res*a%mod;
    a=a*a%mod;
    n>>=1;
  }
  return res;
}

ll gcd(ll a,ll b){if(!b)return abs(a);return (a%b==0)?abs(b):gcd(b,a%b);}
ll lcm(ll a,ll b){return a/gcd(a,b)*b;}

ll countdigits(ll n){
  ll ans=0;
  while(n){n/=10;ans++;}
  return ans;
}

ll sumdigits(ll n){
  ll ans=0;
  while(n){ans+=n%10;n/=10;}
  return ans;
}

void topcoder(vector<int>& v){
  string s;
  while(1){
    cin>>s;
    int i=s[0]=='{',x=0;
    while(s[i]>='0'&&s[i]<='9'){
      x=x*10+s[i]-'0';
      ++i;
    }
    v.eb(x);
    if(s[i]=='}')break;
  }
}
void topcoder(string& s){
  string t;
  cin>>t;
  int i=1;
  while(t[i]!='"'){
    s+=t[i++];
  }
}
struct unionfind{
  private:
  int maxN;
  vector<int> par,treesize;
  public:unionfind(int N) :maxN(N),par(N),treesize(N,1){
    for(int i=0;i<maxN;++i)par[i]=i;
  }
  int root(int x){
    while(par[x]!=x){
      x=par[x]=par[par[x]];
    }
    return x;
  }
  bool unite(int x,int y){
    x=root(x);
    y=root(y);
    if(x==y)return false;
    if(treesize[x]>treesize[y])swap(x,y);
    par[x]=y;
    treesize[y]+=treesize[x];
    return true;
  }
  bool parcheck(int x,int y){
    return root(x)==root(y);
  }
  int size(int x){
    return treesize[root(x)];
  }
  void clear(){
    treesize.assign(maxN,1);
    for(int i=0;i<maxN;++i)par[i]=i;
  }
};
template <typename T>
struct BinaryIndexedTree{
  int size,bitn=0;
  T I;
  using func=function<T(T,T)>;
  func F;
  vector<T> tree;
  BinaryIndexedTree(int N,T e,func f):size(N+1),I(e),F(f),tree(size,e){}
  BinaryIndexedTree(int N):size(N+1),I(0),F([](T a,T b){return a+b;}),tree(size,0){}
  void act(int i,T x){
    for(++i;i<size;i+=-i&i){
      tree[i]=F(tree[i],x);
    }
  }
  T queli(int i){
    T res=I;
    for(++i;i>0;i-=-i&i){
      res=F(tree[i],res);
    }
    return res;
  }
  //only(N,+)
  int lower_bound(int x){
    int i=0;
    if(!bitn){
      i=size;bitn=1;
      while(i){
        i>>=1;bitn<<=1;
      }
      i=0;
    }
    for(int k=bitn;k;k>>=1){
      if(i+k<size&&tree[i+k]<x){
        i+=k;
        x-=tree[i];
      }
    }
    return i;
  }
};
ll N,M,K;
ll ans;

int main(){
  startupcpp();
  // int codeforces;cin>>codeforces;while(codeforces--){
  ll i,j;
  cin>>N;
  vec a(N),b(N),v(N);
  pvec c(N),d(N);
  rep(i,N)cin>>a[i];
  rep(i,N)cin>>b[i];
  brep1(i,N)a[i]^=a[i-1];
  brep1(i,N)b[i]^=b[i-1];
  rep(i,N){
    c[i]=datas(a[i],i);
    d[i]=datas(b[i],i);
  }
  vsort(c);
  vsort(d);
  rep(i,N){
    if(c[i].first!=d[i].first){
      print(-1);
      return 0;
    }
    v[c[i].second]=d[i].second;
  }
  BinaryIndexedTree<ll> tree(N+1);
  rep(i,N){
    ans+=i-tree.queli(v[i]);
    tree.act(v[i],1);
  }
  print(ans);
}
0