結果
問題 | No.1788 Same Set |
ユーザー | PCTprobability |
提出日時 | 2021-12-17 01:02:12 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 6,466 bytes |
コンパイル時間 | 5,117 ms |
コンパイル使用メモリ | 284,464 KB |
実行使用メモリ | 40,404 KB |
最終ジャッジ日時 | 2024-09-14 01:04:54 |
合計ジャッジ時間 | 61,766 ms |
ジャッジサーバーID (参考情報) |
judge6 / judge3 |
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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 | 145 ms
32,140 KB |
testcase_01 | AC | 145 ms
32,128 KB |
testcase_02 | AC | 145 ms
32,128 KB |
testcase_03 | AC | 145 ms
32,124 KB |
testcase_04 | AC | 145 ms
32,232 KB |
testcase_05 | AC | 143 ms
32,056 KB |
testcase_06 | AC | 143 ms
32,076 KB |
testcase_07 | AC | 146 ms
32,072 KB |
testcase_08 | AC | 136 ms
32,128 KB |
testcase_09 | AC | 146 ms
32,128 KB |
testcase_10 | AC | 142 ms
32,128 KB |
testcase_11 | AC | 184 ms
40,104 KB |
testcase_12 | AC | 192 ms
40,064 KB |
testcase_13 | AC | 198 ms
40,192 KB |
testcase_14 | AC | 235 ms
40,176 KB |
testcase_15 | AC | 630 ms
40,404 KB |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 624 ms
40,192 KB |
testcase_21 | AC | 623 ms
40,268 KB |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 2,407 ms
39,936 KB |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using ll = long long; using ld = long double; using ull = unsigned long long; #define endl "\n" typedef pair<int,int> Pii; #define REP(i, n) for (int i = 0; i < (n); ++i) #define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i)) #define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++) #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(x) begin(x), end(x) #define PB push_back #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(s) (s).begin(),(s).end() #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define drep(i, n) drep2(i, n, 0) #define rever(vec) reverse(vec.begin(), vec.end()) #define sor(vec) sort(vec.begin(), vec.end()) #define fi first #define se second #define pb push_back #define P pair<ll,ll> #define PQminll priority_queue<ll, vector<ll>, greater<ll>> #define PQmaxll priority_queue<ll,vector<ll>,less<ll>> #define PQminP priority_queue<P, vector<P>, greater<P>> #define PQmaxP priority_queue<P,vector<P>,less<P>> #define NP next_permutation typedef string::const_iterator State; class ParseError {}; //const ll mod = 1000000009; const ll mod = 998244353; //const ll mod = 1000000007; const ll inf = 4100000000000000000ll; const ld eps = ld(0.00000000000001); //static const long double pi = 3.141592653589793; template<class T>void vcin(vector<T> &n){for(int i=0;i<int(n.size());i++) cin>>n[i];} template<class T,class K>void vcin(vector<T> &n,vector<K> &m){for(int i=0;i<int(n.size());i++) cin>>n[i]>>m[i];} template<class T>void vcout(vector<T> &n){for(int i=0;i<int(n.size());i++){cout<<n[i]<<" ";}cout<<endl;} template<class T>void vcin(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cin>>n[i][j];}}} template<class T>void vcout(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cout<<n[i][j]<<" ";}cout<<endl;}cout<<endl;} void yes(bool a){cout<<(a?"yes":"no")<<endl;} void YES(bool a){cout<<(a?"YES":"NO")<<endl;} void Yes(bool a){cout<<(a?"Yes":"No")<<endl;} void possible(bool a){ cout<<(a?"possible":"impossible")<<endl; } void Possible(bool a){ cout<<(a?"Possible":"Impossible")<<endl; } void POSSIBLE(bool a){ cout<<(a?"POSSIBLE":"IMPOSSIBLE")<<endl; } template<class T>void print(T a){cout<<a<<endl;} template<class T>auto min(const T& a){ return *min_element(all(a)); } template<class T>auto max(const T& a){ return *max_element(all(a)); } template<class T,class F>void print(pair<T,F> a){cout<<a.fi<<" "<<a.se<<endl;} template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0;} template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0;} template<class T> void ifmin(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}} template<class T> void ifmax(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}} ll fastgcd(ll u,ll v){ll shl=0;while(u&&v&&u!=v){bool eu=!(u&1);bool ev=!(v&1);if(eu&&ev){++shl;u>>=1;v>>=1;}else if(eu&&!ev){u>>=1;}else if(!eu&&ev){v>>=1;}else if(u>=v){u=(u-v)>>1;}else{ll tmp=u;u=(v-u)>>1;v=tmp;}}return !u?v<<shl:u<<shl;} ll modPow(ll a, ll n, ll mod) { if(mod==1) return 0;ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; } vector<ll> divisor(ll x){ vector<ll> ans; for(ll i = 1; i * i <= x; i++){ if(x % i == 0) {ans.push_back(i); if(i*i!=x){ ans.push_back(x / ans[i]);}}}sor(ans); return ans; } ll pop(ll x){return __builtin_popcountll(x);} ll poplong(ll x){ll y=-1;while(x){x/=2;y++;}return y;} P hyou(P a){ll x=fastgcd(abs(a.fi),abs(a.se));a.fi/=x;a.se/=x;if(a.se<0){a.fi*=-1;a.se*=-1;}return a;} P Pplus(P a,P b){ return hyou({a.fi*b.se+b.fi*a.se,a.se*b.se});} P Ptimes(P a,ll b){ return hyou({a.fi*b,a.se});} P Ptimes(P a,P b){ return hyou({a.fi*b.fi,a.se*b.se});} P Pminus(P a,P b){ return hyou({a.fi*b.se-b.fi*a.se,a.se*b.se});} P Pgyaku(P a){ return hyou({a.se,a.fi});} void cincout() { ios::sync_with_stdio(false); std::cin.tie(nullptr); cout<< fixed << setprecision(10); } int main(){ cincout(); ll n; cin>>n; vector<ll> a(n),b(n); vcin(a); vcin(b); for(auto &e:a) e--; for(auto &e:b) e--; map<ll,ll> mi; for(auto e:a) mi[e]++; for(auto e:b) mi[e]++; vector<bool> use(400000,false); ll V=0; for(int i=0;i<400000;i++){ if(mi[i]>=1000){ use[i]=true; V++; } } std::random_device seed; std::default_random_engine engine(seed()); std::uniform_int_distribution<ll> M(V,499),Mo(900000000,1000000000),X(1,900000000); vector<ll> d(400000); ll Now=0; for(int i=0;i<400000;i++){ if(use[i]){ d[i]=Now; Now++; } else d[i]=M(engine); } for(auto &e:a) e=d[e]; for(auto &e:b) e=d[e]; vector<queue<ll>> x(500),y(500); vector<ll> q(500); for(int i=0;i<500;i++) q[i]=X(engine); for(int i=0;i<n;i++){ x[a[i]].push(i); y[b[i]].push(i); } vector<bool> ok(n),ok2(n); for(int i=0;i<500;i++){ if(x[i].size()){ ok[x[i].front()]=true; } } for(int i=0;i<500;i++){ if(y[i].size()){ ok2[y[i].front()]=true; } } ll m=Mo(engine); vector<ll> rui(n); //a[i]-b[i] の和 for(int i=0;i<n;i++){ if(ok[i]) rui[i]+=q[a[i]]; if(ok2[i]) rui[i]-=q[b[i]]; if(i) rui[i]+=rui[i-1]; rui[i]%=m; rui[i]+=m; rui[i]%=m; } ll ans=0; for(auto e:rui) if(e==0) ans++; ll zero=ans; for(int i=1;i<n;i++){ if(rui[i-1]==0) zero--; //a[i-1]-b[i-1] を消す ll p=a[i-1]; x[p].pop(); if(x[p].size()){ ll ne=x[p].front(); // i から ne-1 まで for(int j=i;j<=ne-1;j++){ if(rui[j]==0) zero--; rui[j]-=q[a[i-1]]; rui[j]+=m; rui[j]%=m; if(rui[j]==0) zero++; } } else{ for(int j=i;j<=n-1;j++){ if(rui[j]==0) zero--; rui[j]-=q[a[i-1]]; rui[j]+=m; rui[j]%=m; if(rui[j]==0) zero++; } } ll qi=b[i-1]; y[qi].pop(); if(y[qi].size()){ ll ne=y[qi].front(); for(int j=i;j<=ne-1;j++){ if(rui[j]==0) zero--; rui[j]+=q[b[i-1]]; rui[j]%=m; if(rui[j]==0) zero++; } } else{ for(int j=i;j<=n-1;j++){ if(rui[j]==0) zero--; rui[j]+=q[b[i-1]]; rui[j]%=m; if(rui[j]==0) zero++; } } ans+=zero; } cout<<ans<<endl; }