結果
問題 | No.1788 Same Set |
ユーザー | Chanyuh |
提出日時 | 2022-01-11 16:58:44 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 475 ms / 4,000 ms |
コード長 | 7,614 bytes |
コンパイル時間 | 1,423 ms |
コンパイル使用メモリ | 134,252 KB |
実行使用メモリ | 14,620 KB |
最終ジャッジ日時 | 2024-11-14 11:40:35 |
合計ジャッジ時間 | 14,298 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | 3 ms
6,820 KB |
testcase_01 | AC | 3 ms
6,816 KB |
testcase_02 | AC | 3 ms
6,816 KB |
testcase_03 | AC | 3 ms
7,136 KB |
testcase_04 | AC | 3 ms
7,012 KB |
testcase_05 | AC | 3 ms
7,012 KB |
testcase_06 | AC | 4 ms
6,824 KB |
testcase_07 | AC | 4 ms
6,816 KB |
testcase_08 | AC | 4 ms
6,892 KB |
testcase_09 | AC | 4 ms
6,884 KB |
testcase_10 | AC | 3 ms
7,264 KB |
testcase_11 | AC | 61 ms
14,476 KB |
testcase_12 | AC | 180 ms
14,588 KB |
testcase_13 | AC | 231 ms
14,512 KB |
testcase_14 | AC | 334 ms
14,556 KB |
testcase_15 | AC | 390 ms
14,572 KB |
testcase_16 | AC | 419 ms
14,548 KB |
testcase_17 | AC | 301 ms
14,544 KB |
testcase_18 | AC | 364 ms
14,456 KB |
testcase_19 | AC | 217 ms
14,572 KB |
testcase_20 | AC | 76 ms
14,616 KB |
testcase_21 | AC | 404 ms
14,480 KB |
testcase_22 | AC | 439 ms
14,456 KB |
testcase_23 | AC | 310 ms
14,588 KB |
testcase_24 | AC | 340 ms
14,452 KB |
testcase_25 | AC | 474 ms
14,620 KB |
testcase_26 | AC | 475 ms
14,592 KB |
testcase_27 | AC | 85 ms
14,548 KB |
testcase_28 | AC | 458 ms
14,560 KB |
testcase_29 | AC | 448 ms
14,556 KB |
testcase_30 | AC | 85 ms
14,476 KB |
testcase_31 | AC | 453 ms
14,488 KB |
testcase_32 | AC | 389 ms
14,548 KB |
testcase_33 | AC | 396 ms
14,480 KB |
testcase_34 | AC | 416 ms
14,516 KB |
testcase_35 | AC | 409 ms
14,620 KB |
testcase_36 | AC | 402 ms
14,516 KB |
testcase_37 | AC | 406 ms
14,460 KB |
testcase_38 | AC | 400 ms
14,532 KB |
ソースコード
#include<iostream> #include<array> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<complex> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<tuple> #include<cassert> using namespace std; typedef long long ll; const ll mod = 1000000007; const ll INF = (ll)1000000007 * 1000000007; typedef pair<int, int> P; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define Per(i,sta,n) for(int i=n-1;i>=sta;i--) typedef long double ld; const ld eps = 1e-8; const ld pi = acos(-1.0); typedef pair<ll, ll> LP; int dx[4]={1,-1,0,0}; int dy[4]={0,0,1,-1}; 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 S, S (*op)(S, S), S (*e)(), class F, S (*mapping)(F, S), F (*composition)(F, F), F (*id)()> struct LazySegmentTree {// (*composition)は前が新たな作用素 public: LazySegmentTree() : LazySegmentTree(0) {} LazySegmentTree(int n) : LazySegmentTree(std::vector<S>(n, e())) {} LazySegmentTree(const std::vector<S>& v) : _n(int(v.size())) { log = ceil_pow2(_n); size = 1 << log; d = std::vector<S>(2 * size, e()); lz = std::vector<F>(size, id()); for (int i = 0; i < _n; i++) d[size + i] = v[i]; for (int i = size - 1; i >= 1; i--) { update_(i); } } void set(int p, S x) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = x; for (int i = 1; i <= log; i++) update_(p >> i); } S get(int p) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); return d[p]; } S query(int l, int r) { assert(0 <= l && l <= r && r <= _n); if (l == r) return e(); l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push(r >> i); } S sml = e(), smr = e(); while (l < r) { if (l & 1) sml = op(sml, d[l++]); if (r & 1) smr = op(d[--r], smr); l >>= 1; r >>= 1; } return op(sml, smr); } S all_query() { return d[1]; } void update(int p, F f) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = mapping(f, d[p]); for (int i = 1; i <= log; i++) update_(p >> i); } void update(int l, int r, F f) { assert(0 <= l && l <= r && r <= _n); if (l == r) return; l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push((r - 1) >> i); } { int l2 = l, r2 = r; while (l < r) { if (l & 1) all_apply(l++, f); if (r & 1) all_apply(--r, f); l >>= 1; r >>= 1; } l = l2; r = r2; } for (int i = 1; i <= log; i++) { if (((l >> i) << i) != l) update_(l >> i); if (((r >> i) << i) != r) update_((r - 1) >> i); } } template <bool (*g)(S)> int max_right(int l) { return max_right(l, [](S x) { return g(x); }); } template <class G> int max_right(int l, G g) { assert(0 <= l && l <= _n); assert(g(e())); if (l == _n) return _n; l += size; for (int i = log; i >= 1; i--) push(l >> i); S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!g(op(sm, d[l]))) { while (l < size) { push(l); l = (2 * l); if (g(op(sm, d[l]))) { sm = op(sm, d[l]); l++; } } return l - size; } sm = op(sm, d[l]); l++; } while ((l & -l) != l); return _n; } template <bool (*g)(S)> int min_left(int r) { return min_left(r, [](S x) { return g(x); }); } template <class G> int min_left(int r, G g) { assert(0 <= r && r <= _n); assert(g(e())); if (r == 0) return 0; r += size; for (int i = log; i >= 1; i--) push((r - 1) >> i); S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!g(op(d[r], sm))) { while (r < size) { push(r); r = (2 * r + 1); if (g(op(d[r], sm))) { sm = op(d[r], sm); r--; } } return r + 1 - size; } sm = op(d[r], sm); } while ((r & -r) != r); return 0; } private: int _n, size, log; std::vector<S> d; std::vector<F> lz; void update_(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } void all_apply(int k, F f) { d[k] = mapping(f, d[k]); if (k < size) lz[k] = composition(f, lz[k]); } void push(int k) { all_apply(2 * k, lz[k]); all_apply(2 * k + 1, lz[k]); lz[k] = id(); } int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } }; P f(P a,P b){ if(a.first==b.first){ return P(a.first,a.second+b.second); } if(a.first>b.first){ return b; } return a; } P e(){return P(mod,0);} P g(int a,P b){return P(a+b.first,b.second);} int h(int a,int b){return a+b;} int id(){return 0;} int n,m=400005; int a[200010],b[200010]; int p[400010],q[400010]; void solve(){ cin >> n; rep(i,n) { cin >> a[i];a[i]--; } rep(i,n) { cin >> b[i];b[i]--; } rep(i,m){ p[i]=-1;q[i]=-1; } ll A=0; LazySegmentTree<P,f,e,int,g,h,id> seg(vector<P>(n,P(0,1))); rep(r,n){ //cout << r << endl; int mi=min(p[a[r]],q[a[r]]),ma=max(p[a[r]],q[a[r]]); //cout << "pre:" << mi << " " << ma << endl; if(mi+1<=ma){ seg.update(mi+1,ma+1,-1); } if(a[r]!=b[r]){ mi=min(p[b[r]],q[b[r]]),ma=max(p[b[r]],q[b[r]]); //cout << "pre:" << mi << " " << ma << endl; if(mi+1<=ma){ seg.update(mi+1,ma+1,-1); } } p[a[r]]=r;q[b[r]]=r; mi=min(p[a[r]],q[a[r]]),ma=max(p[a[r]],q[a[r]]); if(mi+1<=ma){ //cout << "new:" << mi << " " << ma << endl; seg.update(mi+1,ma+1,1); } if(a[r]!=b[r]){ mi=min(p[b[r]],q[b[r]]),ma=max(p[b[r]],q[b[r]]); //cout << "new:" << mi << " " << ma << endl; if(mi+1<=ma){ seg.update(mi+1,ma+1,1); } } P ans=seg.query(0,r+1); //cout << ans.first << " " << ans.second << endl; if(ans.first==0) A+=ans.second; } cout << A << endl; } int main(){ ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(50); solve(); }