結果
問題 | No.1768 The frog in the well knows the great ocean. |
ユーザー | HIR180 |
提出日時 | 2021-11-26 22:58:48 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 93 ms / 3,000 ms |
コード長 | 6,895 bytes |
コンパイル時間 | 3,159 ms |
コンパイル使用メモリ | 196,412 KB |
実行使用メモリ | 22,680 KB |
最終ジャッジ日時 | 2024-06-29 18:56:21 |
合計ジャッジ時間 | 5,951 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 6 ms
5,376 KB |
testcase_02 | AC | 5 ms
5,376 KB |
testcase_03 | AC | 5 ms
5,376 KB |
testcase_04 | AC | 5 ms
5,376 KB |
testcase_05 | AC | 5 ms
5,376 KB |
testcase_06 | AC | 80 ms
9,544 KB |
testcase_07 | AC | 84 ms
12,020 KB |
testcase_08 | AC | 78 ms
11,008 KB |
testcase_09 | AC | 80 ms
8,568 KB |
testcase_10 | AC | 81 ms
12,600 KB |
testcase_11 | AC | 87 ms
13,168 KB |
testcase_12 | AC | 88 ms
13,036 KB |
testcase_13 | AC | 86 ms
13,292 KB |
testcase_14 | AC | 87 ms
13,032 KB |
testcase_15 | AC | 88 ms
13,028 KB |
testcase_16 | AC | 89 ms
22,528 KB |
testcase_17 | AC | 92 ms
22,528 KB |
testcase_18 | AC | 92 ms
22,400 KB |
testcase_19 | AC | 92 ms
22,476 KB |
testcase_20 | AC | 92 ms
22,468 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 3 ms
5,376 KB |
testcase_23 | AC | 3 ms
5,376 KB |
testcase_24 | AC | 50 ms
5,376 KB |
testcase_25 | AC | 83 ms
22,680 KB |
testcase_26 | AC | 93 ms
22,676 KB |
testcase_27 | AC | 2 ms
5,376 KB |
ソースコード
//Let's join Kaede Takagaki Fan Club !! #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <cstdio> #include <cstring> #include <cstdlib> #include <cmath> #include <ctime> #include <cassert> #include <string> #include <algorithm> #include <vector> #include <queue> #include <stack> #include <functional> #include <iostream> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <cassert> #include <iomanip> #include <chrono> #include <random> #include <bitset> #include <complex> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; #define int long long //#define L __int128 typedef long long ll; typedef pair<int,int> P; typedef pair<int,P> P1; typedef pair<P,P> P2; #define pu push #define pb push_back #define eb emplace_back #define mp make_pair #define eps 1e-7 #define INF 1000000000 #define a first #define b second #define fi first #define sc second #define rng(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define rep(i,x) for(int i=0;i<x;i++) #define repn(i,x) for(int i=1;i<=x;i++) #define SORT(x) sort(x.begin(),x.end()) #define ERASE(x) x.erase(unique(x.begin(),x.end()),x.end()) #define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin()) #define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin()) #define all(x) x.begin(),x.end() #define si(x) int(x.size()) #ifdef LOCAL #define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl #else #define dmp(x) void(0) #endif template<class t,class u> bool chmax(t&a,u b){if(a<b){a=b;return true;}else return false;} template<class t,class u> bool chmin(t&a,u b){if(b<a){a=b;return true;}else return false;} template<class t> using vc=vector<t>; template<class t,class u> ostream& operator<<(ostream& os,const pair<t,u>& p){ return os<<"{"<<p.fi<<","<<p.sc<<"}"; } template<class t> ostream& operator<<(ostream& os,const vc<t>& v){ os<<"{"; for(auto e:v)os<<e<<","; return os<<"}"; } //https://codeforces.com/blog/entry/62393 struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } size_t operator()(pair<int,int> x)const{ return operator()(uint64_t(x.first)<<32|x.second); } }; //unordered_set -> dtype, null_type //unordered_map -> dtype(key), dtype(value) using namespace __gnu_pbds; template<class t,class u> using hash_table=gp_hash_table<t,u,custom_hash>; template<class T> void g(T &a){ cin >> a; } template<class T> void o(const T &a,bool space=false){ cout << a << (space?' ':'\n'); } //ios::sync_with_stdio(false); const ll mod = 998244353; //const ll mod = 1000000007; mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); template<class T> void add(T&a,T b){ a+=b; if(a >= mod) a-=mod; } ll modpow(ll x,ll n){ ll res=1; while(n>0){ if(n&1) res=res*x%mod; x=x*x%mod; n>>=1; } return res; } #define _sz 1 ll F[_sz],R[_sz]; void make(){ F[0] = 1; for(int i=1;i<_sz;i++) F[i] = F[i-1]*i%mod; R[_sz-1] = modpow(F[_sz-1], mod-2); for(int i=_sz-2;i>=0;i--) R[i] = R[i+1] * (i+1) % mod; } ll C(int a,int b){ if(b < 0 || a < b) return 0; return F[a]*R[b]%mod*R[a-b]%mod; } int le_sm[200005], ri_sm[200005]; int n, a[200005], b[200005]; template<typename F, typename T> struct segtree{ int sz; vector<T>seg; const F f; const T e; segtree(int n, const F f, const T e): f(f), e(e) { sz = 1; while(sz < n) sz <<= 1; seg.assign(2*sz, e); } void init(int n){ sz = 1; while(sz < n) sz <<= 1; seg.assign(2*sz, e); } //mrg...apply f or not void update(int a, T p, bool mrg){ a += sz-1; if(mrg) seg[a] = f(seg[a], p); else seg[a] = p; while(a){ a = (a-1)/2; seg[a] = f(seg[a*2+1], seg[a*2+2]); } } void make(vector<T>a){ rep(i, a.size()) seg[i+sz-1] = a[i]; for(int i=sz-2;i>=0;i--) seg[i] = f(seg[i*2+1], seg[i*2+2]); } T query(int a, int b){ a += sz-1, b += sz-1; T L = e, R = e; while(a <= b){ if((a&1) == 0) { L = f(L, seg[a++]); } if((b&1) == 1) { R = f(seg[b--], R); } if(a > b) break; a = (a-1) >> 1; b = (b-1) >> 1; } return f(L, R); } int find_left(int a, int b, int k, int l, int r, T v){ if(r < a || b < l) return INF; if(a <= l && r <= b){ if(f(seg[k], v) == seg[k]){ while(k < sz-1){ if(f(seg[k*2+1], v) == seg[k*2+1]) k = k*2+1; else k = k*2+2; } return k - (sz-1); } return INF; } int ret = find_left(a, b, k*2+1, l, (l+r)/2, v); if(ret != INF) return ret; return find_left(a, b, k*2+2, 1+(l+r)/2, r, v); } //NOT VERIFIED int find_right(int a, int b, int k, int l, int r, T v){ if(r < a || b < l) return -INF; if(a <= l && r <= b){ if(f(seg[k], v) == seg[k]){ while(k < sz-1){ if(f(seg[k*2+2], v) == seg[k*2+2]) k = k*2+2; else k = k*2+1; } return k - (sz-1); } return -INF; } int ret = find_right(a, b, k*2+2, 1+(l+r)/2, r, v); if(ret != -INF) return ret; return find_right(a, b, k*2+1, l, (l+r)/2, v); } //[a, b]でf(*, v)=*となる最小の*を返す 無ければINF int find_left(int a, int b, T v){ return find_left(a, b, 0, 0, sz-1, v); } //NOT VERIFIED //[a, b]でf(*, v)=*となる最大の*を返す 無ければ-INF int find_right(int a, int b, T v){ return find_right(a, b, 0, 0, sz-1, v); } }; //グローバルにおきたい時は //f, eを定義して void solve(){ cin>>n; repn(i,n)cin>>a[i];repn(i,n)cin>>b[i]; rep(i,n+3){ le_sm[i]=0; ri_sm[i]=n+1; } stack<P>S; for(int i=n;i>=1;i--){ while(S.size() && S.top().a > b[i]){ le_sm[S.top().b] = i; S.pop(); } S.push(mp(b[i], i)); } while(S.size()) S.pop(); repn(i, n){ while(S.size() && S.top().a > b[i]){ ri_sm[S.top().b] = i; S.pop(); } S.push(mp(b[i], i)); } //repn(i, n) cerr<<le_sm[i]<<" "<<ri_sm[i]<<endl; auto f = [](int a, int b){ return max(a, b); }; int e = -INF; segtree<decltype(f), decltype(e)>seg(n+1, f, e); repn(i, n) seg.update(i, a[i], true); vc<vc<int>>pos(n+1, vc<int>()); repn(i, n) pos[a[i]].pb(i); int bad= 0; repn(i, n){ int x = POSL(pos[b[i]], i); int ok = 0; for(int j=x-2;j<=x+2;j++){ if(j < 0 or j >= pos[b[i]].size()) continue; if(le_sm[i]+1 <= pos[b[i]][j] and pos[b[i]][j] <= ri_sm[i]-1){ int lb = le_sm[i]+1, rb = ri_sm[i] - 1; int lw = i, rw = pos[b[i]][j]; if(lw > rw) swap(lw, rw); chmax(lb, lw); chmin(rb, rw); if(seg.query(lb, rb) == b[i]) ok = 1; } } if(ok == 0) bad = 1; } o(bad?"No":"Yes"); } signed main(){ cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20); int t; cin >> t; while(t--) solve(); }