結果
問題 | No.1768 The frog in the well knows the great ocean. |
ユーザー | riano |
提出日時 | 2021-11-26 23:19:47 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 260 ms / 3,000 ms |
コード長 | 10,203 bytes |
コンパイル時間 | 1,763 ms |
コンパイル使用メモリ | 185,988 KB |
実行使用メモリ | 23,324 KB |
最終ジャッジ日時 | 2024-06-29 19:02:54 |
合計ジャッジ時間 | 7,049 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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
6,812 KB |
testcase_01 | AC | 7 ms
6,940 KB |
testcase_02 | AC | 8 ms
6,944 KB |
testcase_03 | AC | 7 ms
6,944 KB |
testcase_04 | AC | 7 ms
6,940 KB |
testcase_05 | AC | 8 ms
6,940 KB |
testcase_06 | AC | 202 ms
9,392 KB |
testcase_07 | AC | 211 ms
10,940 KB |
testcase_08 | AC | 188 ms
9,600 KB |
testcase_09 | AC | 193 ms
8,168 KB |
testcase_10 | AC | 196 ms
11,684 KB |
testcase_11 | AC | 224 ms
12,068 KB |
testcase_12 | AC | 209 ms
12,032 KB |
testcase_13 | AC | 184 ms
12,160 KB |
testcase_14 | AC | 198 ms
12,064 KB |
testcase_15 | AC | 216 ms
12,044 KB |
testcase_16 | AC | 260 ms
20,668 KB |
testcase_17 | AC | 255 ms
20,496 KB |
testcase_18 | AC | 253 ms
20,644 KB |
testcase_19 | AC | 228 ms
20,496 KB |
testcase_20 | AC | 254 ms
20,552 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 1 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 51 ms
6,944 KB |
testcase_25 | AC | 213 ms
23,200 KB |
testcase_26 | AC | 208 ms
23,324 KB |
testcase_27 | AC | 2 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define ll long long #define rep(i,n) for(int i=0;i<n;i++) #define rrep(i,n) for(int i=n-1;i>=0;i--) #define rrep2(i,n,k) for(int i=n-1;i>=n-k;i--) #define vll(n,i) vector<long long>(n,i) #define v2ll(n,m,i) vector<vector<long long>>(n,vll(m,i)) #define v3ll(n,m,k,i) vector<vector<vector<long long>>>(n,v2ll(m,k,i)) #define v4ll(n,m,k,l,i) vector<vector<vector<vector<long long>>>>(n,v3ll(m,k,l,i)) #define all(v) v.begin(),v.end() #define chmin(k,m) k = min(k,m) #define chmax(k,m) k = max(k,m) #define Pr pair<ll,ll> #define Tp tuple<int,int,int> #define riano_ std::ios::sync_with_stdio(false);std::cin.tie(nullptr) using Graph = vector<vector<int>>; const ll mod = 998244353; template<uint64_t mod> struct modint{ uint64_t val; constexpr modint(const int64_t val_=0) noexcept:val((val_%int64_t(mod)+int64_t(mod))%int64_t(mod)){} constexpr modint operator-() const noexcept{ return modint(*this)=mod-val; } constexpr modint operator+(const modint rhs) const noexcept{ return modint(*this)+=rhs; } constexpr modint operator-(const modint rhs) const noexcept{ return modint(*this)-=rhs; } constexpr modint operator*(const modint rhs) const noexcept{ return modint(*this)*=rhs; } constexpr modint operator/(const modint rhs) const noexcept{ return modint(*this)/=rhs; } constexpr modint &operator+=(const modint rhs) noexcept{ val+=rhs.val; val-=((val>=mod)?mod:0); return (*this); } constexpr modint &operator-=(const modint rhs) noexcept{ val+=((val<rhs.val)?mod:0); val-=rhs.val; return (*this); } constexpr modint &operator*=(const modint rhs) noexcept{ val=val*rhs.val%mod; return (*this); } constexpr modint &operator/=(modint rhs) noexcept{ uint64_t ex=mod-2; modint now=1; while(ex){ now*=((ex&1)?rhs:1); rhs*=rhs,ex>>=1; } return (*this)*=now; } modint & operator++(){ val++; if (val == mod) val = 0; return *this; } modint operator++(int){ modint<mod> res = *this; ++*this; return res; } constexpr bool operator==(const modint rhs) noexcept{ return val==rhs.val; } constexpr bool operator!=(const modint rhs) noexcept{ return val!=rhs.val; } friend constexpr ostream &operator<<(ostream& os,const modint x) noexcept{ return os<<(x.val); } friend constexpr istream &operator>>(istream& is,modint& x) noexcept{ uint64_t t; is>>t,x=t; return is; } }; typedef modint<mod> mint; mint pw(long long a,long long b,long long m = mod){ if(a%m==0) return mint(0); if(b==0) return mint(1); else if(b%2==0){ long long x = pw(a,b/2,m).val; return mint(x*x); } else{ long long x = pw(a,b-1,m).val; return mint(a*x); } } mint modinv(long long a, long long m = mod) { long long b = m, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; return mint(u); } #define vm(n,i) vector<mint>(n,i) #define v2m(n,m,i) vector<vector<mint>>(n,vm(m,i)) #define v3m(n,m,k,i) vector<vector<vector<mint>>>(n,v2m(m,k,i)) #define v4m(n,m,k,l,i) vector<vector<vector<vector<mint>>>>(n,v3m(m,k,l,i)) //binary trie (dynamic segtree version) class binary_trie { public: ll n; ll len; vector<vector<int>> to; vector<int> content; vector<int> count; //vector<ll> sum; //vector<ll> lis; vector<int> emp = {-1,-1}; binary_trie(ll k){ n = 1; len = k; to.push_back(emp); content.push_back(0); count.push_back(0); //sum.push_back(0); } //0-1のvectorに変換 vector<int> convert(ll x){ vector<int> c; for(int i=0;i<=len;i++){ c.push_back(x%2); x /= 2; } return c; } mint size(void){ return count[0]; } //xを追加する 既に存在していたらtrue bool insert(ll x,int cc = 1){ bool ex = true; auto p = convert(x); int now = 0; count[now] += cc; //sum[now] += mint(x)*cc; for(int i=len-1;i>=0;i--){ bool found = false; if(to[now][p[i]]!=-1){ found = true; now = to[now][p[i]]; count[now] += cc; //sum[now] += mint(x)*cc; } if(found) continue; ex = false; to[now][p[i]] = n; to.push_back(emp); content.push_back(p[i]); count.push_back(cc); //sum.push_back(mint(x)*cc); now = n; n++; } return ex; } //k以下の数の個数 int count_under(int k){ insert(k,0); auto p = convert(k); int now = 0; int res = 0; for(int i=len-1;i>=0;i--){ if(p[i]==1&&to[now][0]!=-1){ res += count[to[now][0]]; } now = to[now][p[i]]; } res += count[now]; return res; } int binary_src(int k){ auto p = convert(k); int now = 0; int res = 0; int num = 0; for(int i=len-1;i>=0;i--){ //cout << now << endl; if(i==0){ res += count[now]; if(num-res==k){ return num; } else if(num-res==k-1){ return num+1; } } else if(to[now][0]==-1){ if(res+num+(1LL<<(i-1))-1>=k){ return k-res; } else if(to[now][1]!=-1){ now = to[now][1]; continue; } else{ return k-(res+count[to[now][0]]); } } else{ if(res+num+(1LL<<(i-1))-1+count[to[now][0]]>=k){ now = to[now][0]; } else{ if(to[now][1]!=-1){ res += count[to[now][0]]; num += (1LL<<(i-1)); now = to[now][1]; } else{ return k-(res+count[to[now][0]]); } } } } return res; } }; //binary indexed tree //1-indexed class BIT { public: ll n; vector<ll> a; BIT(ll k){ n=k; a=vector<ll>(n+1,0); } //a[i]にxを加算する void add(ll i,ll x){ 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 ll sum(ll i,ll j){ return sum_sub(j)-sum_sub(i-1); } //a[0]+a[1]+…+a[i]を求める ll sum_sub(ll 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){ //xが0以下の場合は該当するものなし→0を返す return 0; }else{ ll i=0;ll r=1; //最大としてありうる区間の長さを取得する //n以下の最小の二乗のべき(BITで管理する数列の区間で最大のもの)を求める while(r<n) r=r<<1; //区間の長さは調べるごとに半分になる for(int len=r;len>0;len=len>>1) { //その区間を採用する場合 if(i+len<n && a[i+len]<x){ x-=a[i+len]; i+=len; } } return i+1; } } }; //main関数内で BIT seq(N); //などと宣言し seq.add(a,b); //のように使う int main() { riano_; string ans; ll T; cin >> T; rep(ii,T){ ll N; cin >> N; ans = "Yes"; BIT seq(N+2); vector<vector<int>> a(N+1),b(N+1); rep(i,N){ ll c; cin >> c; a[c].push_back(i+1); } rep(i,N){ ll c; cin >> c; b[c].push_back(i+1); } rep(i,N){ seq.add(i+1,1); } rep(i,N+1){ vector<Pr> ran; ran.push_back(make_pair(-2e9,-2e9)); for(ll id:a[i]){ seq.add(id,-1); } for(ll id:a[i]){ //解から二分探索 binary search //分かれ目の"r"側の値を求める ll l,r; l = 0; r = id; //初期値の代入 while(l<r){ ll c = (l+r)/2; //cの場合に検証 ll s = seq.sum(c,id); if(s>0){//cが"l側"になる条件判定 l = c+1; } else r = c; } ll l2 = l; if(l2==0) l2 = 1; l = id; r = N+1; //初期値の代入 while(l<r){ ll c = (l+r)/2; //cの場合に検証 ll s = seq.sum(id,c); if(s==0){//cが"l側"になる条件判定 l = c+1; } else r = c; } ll r2 = l-1; ran.push_back(make_pair(l2,r2)); // cout << id << endl; // cout << l2 << " " << r2 << endl; } sort(all(ran)); for(ll id:b[i]){ Pr p = make_pair(id,2e9); ll k = lower_bound(all(ran),p)-ran.begin()-1; ll l2 = ran[k].first; ll r2 = ran[k].second; if(id<l2||id>r2){ ans = "No"; break; } seq.add(id,20); } if(ans=="No") break; } cout << ans << "\n"; } }