#660159 (C++17) No.1209 XOR Into You

提出ソース

結果

問題	No.1209 XOR Into You
ユーザー	tsuyu93
提出日時	2021-05-23 23:57:32
言語	C++17 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	511 ms / 2,000 ms
コード長	12,868 bytes
コンパイル時間	3,301 ms
コンパイル使用メモリ	225,796 KB
実行使用メモリ	89,344 KB
最終ジャッジ日時	2024-04-20 09:05:38
合計ジャッジ時間	17,806 ms
ジャッジサーバーID （参考情報）	judge2 / judge5

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	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	419 ms 89,344 KB
testcase_05	AC	408 ms 82,816 KB
testcase_06	AC	447 ms 89,216 KB
testcase_07	AC	409 ms 70,400 KB
testcase_08	AC	339 ms 63,744 KB
testcase_09	AC	342 ms 63,616 KB
testcase_10	AC	262 ms 52,992 KB
testcase_11	AC	336 ms 62,848 KB
testcase_12	AC	315 ms 58,880 KB
testcase_13	AC	362 ms 66,560 KB
testcase_14	AC	295 ms 57,088 KB
testcase_15	AC	344 ms 60,160 KB
testcase_16	AC	327 ms 59,392 KB
testcase_17	AC	293 ms 56,704 KB
testcase_18	AC	491 ms 80,128 KB
testcase_19	AC	313 ms 59,392 KB
testcase_20	AC	378 ms 66,688 KB
testcase_21	AC	395 ms 51,584 KB
testcase_22	AC	224 ms 83,712 KB
testcase_23	AC	222 ms 83,840 KB
testcase_24	AC	244 ms 83,712 KB
testcase_25	AC	511 ms 83,712 KB
testcase_26	AC	496 ms 83,840 KB
testcase_27	AC	495 ms 83,712 KB
testcase_28	AC	466 ms 83,584 KB
testcase_29	AC	504 ms 83,712 KB
testcase_30	AC	460 ms 83,840 KB
testcase_31	AC	88 ms 6,784 KB
testcase_32	AC	88 ms 6,912 KB
testcase_33	AC	90 ms 6,912 KB
testcase_34	AC	88 ms 6,912 KB
testcase_35	AC	87 ms 6,912 KB
testcase_36	AC	87 ms 6,784 KB
testcase_37	AC	36 ms 6,400 KB
testcase_38	AC	365 ms 70,016 KB
testcase_39	AC	340 ms 62,464 KB
testcase_40	AC	239 ms 83,712 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

raw source code

/**
 * author:  tsuyu93
 * started: 2021-05-23  23:43:36
 * 継続は力なり、雨だれ石を穿つ
 * make the impossible possible
**/

#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>

// #include <boost/multiprecision/cpp_dec_float.hpp>
// #include <boost/multiprecision/cpp_int.hpp>
// namespace mpb = boost::multiprecision;
// using bint = mpb::cpp_int;
// // 仮数部が1024ビットの浮動小数点数型(TLEしたら小さくする)
// using Real = mpb::number<mpb::cpp_dec_float<1024>>;

#ifdef __HOGE__
#pragma region macro
#endif
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
using uint = unsigned;
using pll = pair<ll, ll>;
using pli = pair<ll, int>;
using pii = pair<int, int>;
using pld = pair<ll, ld>;
using ppiii =  pair<pii, int>;
using ppiill = pair<pii, ll>;
using ppllll = pair<pll, ll>;
using pplii = pair<pli, int>;
using mii = map<int, int>;
using dll = deque<ll>;
using qll = queue<ll>;
using pqll = priority_queue<ll>;
using pqrll = priority_queue<ll, vector<ll>, greater<ll>>;
using pqrpll = priority_queue<pll, vector<pll>, greater<pll>>;
using vint = vector<int>;
using vbool = vector<bool>;
using vstr = vector<string>;
using vll = vector<ll>;
using vld = vector<ld>;
using vpll = vector<pll>;
using vvll = vector<vector<ll>>;
using vvint = vector<vector<int>>;
using vvld = vector<vector<ld>>;
using vvbool = vector<vbool>;
using vvstr = vector<vstr>;
using vvpll = vector<vector<pll>>;
#define REP(i,n) for(ll i=0;i<ll(n);i++)
#define REPD(i,n) for(ll i=n-1;i>=0;i--)
#define FOR(i,a,b) for(ll i=a;i<=ll(b);i++)
#define FORD(i,a,b) for(ll i=a;i>=ll(b);i--)
#define overload4(_1,_2,_3,_4,name,...) name
#define overload3(_1,_2,_3,name,...) name
#define rep1(n) for(ll i=0;i<n;++i)
#define rep2(i,n) for(ll i=0;i<n;++i)
#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) for(ll i=n;i--;)
#define rrep2(i,n) for(ll i=n;i--;)
#define rrep3(i,a,b) for(ll i=b;i-->(a);)
#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 each1(i,a) for(auto&&i:a)
#define each2(x,y,a) for(auto&&[x,y]:a)
#define each3(x,y,z,a) for(auto&&[x,y,z]:a)
#define each(...) overload4(__VA_ARGS__,each3,each2,each1)(__VA_ARGS__)
#define all1(i) begin(i),end(i)
#define all2(i,a) begin(i),begin(i)+a
#define all3(i,a,b) begin(i)+a,begin(i)+b
#define all(...) overload3(__VA_ARGS__,all3,all2,all1)(__VA_ARGS__)
#define rall1(i) (i).rbegin(),(i).rend()
#define rall2(i,k) (i).rbegin(),(i).rbegin()+k
#define rall3(i,a,b) (i).rbegin()+a,(i).rbegin()+b
#define rall(...) overload3(__VA_ARGS__,rall3,rall2,rall1)(__VA_ARGS__)
#define SUM(...) accumulate(all(__VA_ARGS__),0LL)
#define ALL(x) x.begin(),x.end() 
#define rALL(x) x.rbegin(),x.rend() 
#define SIZE(x) ll(x.size()) 
#define Sort(a) sort(all(a))
#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)
#define ULL(...) ull __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 LD(...) ld __VA_ARGS__;in(__VA_ARGS__)int scan(){ return getchar(); }
#define fs first
#define sc second
#define endl '\n'
#define elif else if
#define ADD_OVERFLOW(a, b) __builtin_add_overflow_p (a, b, (decltype((a)+(b))) 0)
#define SUB_OVERFLOW(a, b) __builtin_sub_overflow_p (a, b, (decltype((a)+(b))) 0)
#define MUL_OVERFLOW(a, b) __builtin_mul_overflow_p (a, b, (decltype((a)+(b))) 0)
void scan(int& a){ scanf("%d", &a); }
void scan(unsigned& a){ scanf("%u", &a); }
void scan(long& a){ scanf("%ld", &a); }
void scan(long long& a){ scanf("%lld", &a); }
void scan(unsigned long long& a){ scanf("%llu", &a); }
void scan(char& a){ do{ a = getchar(); }while(a == ' ' || a == '\n'); }
void scan(float& a){ scanf("%f", &a); }
void scan(double& a){ scanf("%lf", &a); }
void scan(long double& a){ scanf("%Lf", &a); }
void scan(vector<bool>& a){ for(unsigned i = 0; i < a.size(); i++){ int b; scan(b); a[i] = b; } }
void scan(char a[]){ scanf("%s", a); }
void scan(string& a){ cin >> a; }
template<class T> void scan(vector<T>&);
template<class T, size_t size> void scan(array<T, size>&);
template<class T, class L> void scan(pair<T, L>&);
template<class T, size_t size> void scan(T(&)[size]);
template<class T> void scan(vector<T>& a){ for(auto&& i : a) scan(i); }
template<class T> void scan(deque<T>& a){ for(auto&& i : a) scan(i); }
template<class T, size_t size> void scan(array<T, size>& a){ for(auto&& i : a) scan(i); }
template<class T, class L> void scan(pair<T, L>& p){ scan(p.first); scan(p.second); }
template<class T, size_t size> void scan(T (&a)[size]){ for(auto&& i : a) scan(i); }
template<class T> void scan(T& a){ cin >> a; }
void in(){}
template <class Head, class... Tail> void in(Head& head, Tail&... tail){ scan(head); in(tail...); }
void print(){ putchar(' '); }
void print(bool a){ printf("%d", a); }
void print(int a){ printf("%d", a); }
void print(unsigned a){ printf("%u", a); }
void print(long a){ printf("%ld", a); }
void print(long long a){ printf("%lld", a); }
void print(unsigned long long a){ printf("%llu", a); }
void print(char a){ printf("%c", a); }
void print(char a[]){ printf("%s", a); }
void print(const char a[]){ printf("%s", a); }
void print(float a){ printf("%.15f", a); }
void print(double a){ printf("%.15f", a); }
void print(long double a){ printf("%.15Lf", a); }
void print(const string& a){ for(auto&& i : a) print(i); }
template<class T> void print(const complex<T>& a){ if(a.real() >= 0) print('+'); print(a.real()); if(a.imag() >= 0) print('+'); print(a.imag()); print('i'); }
template<class T> void print(const vector<T>&);
template<class T, size_t size> void print(const array<T, size>&);
template<class T, class L> void print(const pair<T, L>& p);
template<class T, size_t size> void print(const T (&)[size]);
template<class T> void print(const vector<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ putchar(' '); print(*i); } }
template<class T> void print(const deque<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ putchar(' '); print(*i); } }
template<class T, size_t size> void print(const array<T, size>& a){ print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ putchar(' '); print(*i); } }
template<class T, class L> void print(const pair<T, L>& p){ print(p.first); putchar(' '); print(p.second); }
template<class T, size_t size> void print(const T (&a)[size]){ print(a[0]); for(auto i = a; ++i != end(a); ){ putchar(' '); print(*i); } }
template<class T> void print(const T& a){ cout << a; }
int out(){ putchar('\n'); return 0; }
template<class T> int out(const T& t){ print(t); putchar('\n'); return 0; }
template<class Head, class... Tail> int out(const Head& head, const Tail&... tail){ print(head); putchar(' '); out(tail...); return 0; }
#ifdef DEBUG
inline ll __lg(ull x){ return 63 - __builtin_clzll(x); }
#define debug(...) { print(#__VA_ARGS__); print(":"); out(__VA_ARGS__); }
#else
#define debug(...) void(0)
#endif
#define INF32 2147483647 //2.147483647x10^{9}:32bit整数のinf
#define INF64 9223372036854775807 //9.223372036854775807x10^{18}:64bit整数のinf
const ll MOD = 1000000007;
const int inf = 1e9;
const ll INF = (1LL<<61);
const ll MAXR = 100000; //10^5:配列の最大のrange
const ld PI = acos(-1);
inline void Yes(bool b = true) { cout << (b ? "Yes" : "No") << '\n'; }
inline void YES(bool b = true) { cout << (b ? "YES" : "NO") << '\n'; }
inline void OKNG(bool b = true) { cout << (b ? "OK" : "NG") << '\n'; }
inline void GAme(bool b = true) { cout << (b ? "First" : "Second") << '\n'; }
inline void gAme(bool b = true) { cout << (b ? "first" : "second") << '\n'; }
inline void Takahashi_Aoki(bool b = true) { cout << (b ? "Takahashi" : "Aoki") << '\n'; }
inline void takahashi_aoki(bool b = true) { cout << (b ? "takahashi" : "aoki") << '\n'; }
inline void possible(bool i = true){ cout << (i?"possible":"impossible") << '\n'; }
inline void Possible(bool i = true){ cout << (i?"Possible":"Impossible") << '\n'; }
inline void POSSIBLE(bool i = true){ cout << (i?"POSSIBLE":"IMPOSSIBLE") << '\n'; }
template<typename A, typename B> inline bool chmin(A& a, B b) {if (a > b) {a = b;return true;}return false;}
template<typename A, typename B> inline bool chmax(A& a, B b) {if (a < b) {a = b;return true;}return false;}
template<class T> auto min(const T& a){ return *min_element(a.begin(),a.end()); }
template<class T> auto max(const T& a){ return *max_element(a.begin(),a.end()); }
template<typename T> T power(T a, T b) {T res=1;while (b>0) {if (b&1){res*=a;}b/=2;a*=a;}return res;}
long long powmod(long long a, long long b) {long long res=1;while (b>0) {if (b&1){res*=a;res%=MOD;}b/=2;a*=a;a%=MOD;}return res;}
template<typename T> T powmod(T a, T b,T m) {T res=1;while (b>0) {if (b&1){res*=a;res%=m;}b/=2;a*=a;a%=m;}return res%m;}
template<typename T> T nlcm(const vector<T> &a) {T res;res = a[0];for (ll i = 1; i < (ll)a.size(); i++) {res = lcm(res, a[i]);}return res;}
template<typename T> T ngcd(const vector<T> &a){T res;res = a[0];for(ll i = 1; i < (ll)a.size() && res != 1; i++) {res = gcd(a[i], res);}return res;}
template<typename T> T sqr(T x){T r=sqrt(x)-1;while((r+1)*(r+1)<=x)r++;return r;}
template<typename T> T bit_length(T a){T k = 0;while(a){k++;a/=2;}return k;}
template<typename T> T isqrt(T n){T a = 0, r = 0;for(T s = bit_length(n)-(bit_length(n)%2?1:2); s >= 0;s-=2){T t = ((n >> s) & 3);r = ((r << 2) | t);T c = ((a << 2) | 1);int b = (r >= c);if(b){r -= c;}a = ((a << 1) | b);}return a;}
int popcount(long long a){return __builtin_popcountll(a);}
int popcount(int a){return __builtin_popcount(a);}
template<typename T> T ceil(T a, T b) {if(b < 0) a = -a, b = -b;return (a >= 0 ? (a + b - 1) / b : a / b);}
template<typename T> T floor(T a, T b) {if(b < 0) a = -a, b = -b;return (a >= 0 ? a / b : (a - b + 1) / b);}
#ifdef __HOGE__
#pragma endregion
#endif

//#include<atcoder/all>
//using namespace atcoder;

//数列a(a[0],a[1],…,a[n-1])についての区間和と点更新を扱う
//点更新,区間和,二分探索はO(log{n})で動作する
//https://qiita.com/DaikiSuyama/items/7295f5160a51684554a7
class BIT {
public:
    //データの長さ
    ll n;
    //データの格納先
    vector<ll> a;
    //コンストラクタ
    BIT(ll n):n(n),a(n+1,0){}

    //a[i]にxを加算する
    void add(ll i,ll x){
        i++;
        if(i==0) return;
        for(ll k=i;k<=n;k+=(k & -k)){
            a[k]+=x;
        }
    }

    //a[i]+a[i+1]+…+a[j]を求める [i,j]
    ll sum(ll i,ll j){
        return sum_sub(j)-sum_sub(i-1);
    }

    //a[0]+a[1]+…+a[i]を求める [0,i]
    ll sum_sub(ll i){
        i++;
        ll s=0;
        if(i==0) return s;
        for(ll k=i;k>0;k-=(k & -k)){
            s+=a[k];
        }
        return s;
    }

    //a[0]+a[1]+…+a[i]>=xとなる最小のiを求める(任意のkでa[k]>=0が必要)
    ll lower_bound(ll x){
        if(x<=0){
            return 0;
        }else{
            ll i=0;ll r=1;
            while(r<n) r=r<<1;
            for(int len=r;len>0;len=len>>1) {
                if(i+len<n && a[i+len]<x){
                    x-=a[i+len];
                    i+=len;
                }
            }
            return i;
        }
    }
    //k-th number (k is 0-indexed)
    ll get(ll k) {
        ++k;
        ll res = 0;
        ll na = 1; while(na < (ll)a.size()) na *= 2;
        for(ll i = na / 2; i > 0; i /= 2) {
            if(res + i < (ll)a.size() && a[res + i] < k) {
                k -= a[res + i];
                res += i;
            }
        }
        return res; //0-indexed
    }
    //debug
    void print() {
        for(int i = 0; i < n; ++i) cout << sum(i, i) << ",";
        cout << endl;
    }
};

//BIT bit(n)で宣言
//sumは両閉区間

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    //cout << fixed << setprecision(15);

    ll N;
    cin >> N;

    vll A(N);
    map<ll,ll>mp;
    map<ll,deque<ll>>idx;
    rep(i,N){
      cin >> A[i];
      if(i)mp[A[i]^A[i-1]]++;
    }
    vll B(N);
    rep(i,N){
      cin >> B[i];
      if(i)mp[B[i]^B[i-1]]--;
      if(i)idx[B[i]^B[i-1]].emplace_back(i-1);
    }

    if(A[0]!=B[0]||A[N-1]!=B[N-1]){
      cout << -1 << endl;
      return 0;
    }
    for(auto m:mp){
      if(m.sc!=0){
        cout << -1 << endl;
      return 0;
      }
    }

    BIT bit(N);
    ll ans = 0;
    rep(i,N){
      if(i==0)continue;
      ans += i - 1 - bit.sum(0,idx[A[i]^A[i-1]].front());
      bit.add(idx[A[i]^A[i-1]].front(),1);
      idx[A[i]^A[i-1]].pop_front();
    }



    cout << ans << endl;

  return 0;
}

yukicoder

結果

テストケース

ソースコード