結果
問題 | No.2242 Cities and Teleporters |
ユーザー | noya2 |
提出日時 | 2023-01-14 02:59:21 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,756 bytes |
コンパイル時間 | 4,620 ms |
コンパイル使用メモリ | 269,448 KB |
実行使用メモリ | 26,392 KB |
最終ジャッジ日時 | 2024-09-18 03:23:35 |
合計ジャッジ時間 | 14,906 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
5,248 KB |
testcase_01 | AC | 3 ms
5,376 KB |
testcase_02 | AC | 3 ms
5,376 KB |
testcase_03 | AC | 3 ms
5,376 KB |
testcase_04 | AC | 3 ms
5,376 KB |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | AC | 348 ms
25,700 KB |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | AC | 345 ms
25,156 KB |
testcase_23 | AC | 306 ms
26,132 KB |
testcase_24 | AC | 244 ms
26,128 KB |
testcase_25 | AC | 203 ms
26,388 KB |
ソースコード
#line 1 "c.cpp" #include<bits/stdc++.h> #include<atcoder/all> #define rep(i,n) for (int i = 0; i < int(n); ++i) #define repp(i,n,m) for (int i = m; i < int(n); ++i) #define reb(i,n) for (int i = int(n)-1; i >= 0; --i) #define all(v) v.begin(),v.end() using namespace std; using namespace atcoder; using ll = long long; using ull = unsigned long long; using ld = long double; using P = pair<int, int>; using PL = pair<long long, long long>; using pdd = pair<long double, long double>; using pil = pair<int,ll>; using pli = pair<ll,int>; template<class T>istream &operator>>(istream &is,vector<T> &v){for(auto &e:v)is>>e;return is;} template<typename T>bool range(T a,T b,T x){return (a<=x&&x<b);} template<typename T>bool rrange(T a,T b,T c,T d,T x,T y){return (range(a,c,x)&&range(b,d,y));} template<typename T>void rev(vector<T> &v){reverse(v.begin(),v.end());} void revs(string &s) {reverse(s.begin(),s.end());} template<typename T>void sor(vector<T> &v, int f=0){sort(v.begin(),v.end());if(f!=0) rev(v);} template<typename T>bool chmin(T &a,const T &b){if(a>b){a=b;return true;}return false;} template<typename T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;} template<typename T>void uniq(vector<T> &v){sor(v);v.erase(unique(v.begin(),v.end()),v.end());} template<typename T1, typename T2>void print(pair<T1,T2> a); template<typename T>void print(vector<T> v); template<typename T>void print(vector<vector<T>> v); void print(){ putchar(' '); } void print(bool a){ printf("%d", a); } void print(int a){ printf("%d", a); } void print(long a){ printf("%ld", a); } void print(long long a){ printf("%lld", 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(long double a){ printf("%.15Lf", a); } void print(const string& a){ for(auto&& i : a) print(i); } void print(unsigned int a){ printf("%u", a); } void print(unsigned long long a) { printf("%llu", a); } 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; } template<typename T1,typename T2>void print(pair<T1,T2> a){print(a.first);print(),print(a.second);} template<typename T>void print(vector<T> v){for(auto ite=v.begin();ite!=v.end();){print(*ite);if(++ite!=v.end())print();}} template<typename T>void print(vector<vector<T>> v){for(auto ite=v.begin();ite!=v.end();){print(*ite);if(++ite!=v.end())out();}} void yes(){out("Yes");} void no (){out("No");} void yn (bool t){if(t)yes();else no();} void fast_io(){cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20);} void o(){out("!?");} namespace noya2{ const int INF = 1001001007; const long long mod1 = 998244353; const long long mod2 = 1000000007; const long long inf = 2e18; const long double pi = 3.14159265358979323; const long double eps = 1e-7; const vector<int> dx = {0,1,0,-1,1,1,-1,-1}; const vector<int> dy = {1,0,-1,0,1,-1,-1,1}; const string ALP = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; const string alp = "abcdefghijklmnopqrstuvwxyz"; const string NUM = "0123456789"; } // namespace noya2 using namespace noya2; void solve(){ int n; cin >> n; vector<int> a(n), b(n); cin >> a >> b; vector<int> ids(n); iota(all(ids),0); auto comp = [&](int l, int r){ return a[l] < a[r]; }; sort(all(ids),comp); vector<int> inv(n); rep(i,n) inv[ids[i]] = i; vector<int> hs(n), ts(n); rep(i,n) hs[i] = a[ids[i]], ts[i] = b[ids[i]]; const int lg = 20; vector<int> rs(n); rep(i,n) rs[i] = upper_bound(all(hs),ts[i]) - hs.begin(); vector<vector<int>> dp(lg,vector<int>(n)); vector<int> rui(n+1,-1), arg(n+1,-1); rep(i,n){ rui[i+1] = rui[i]; arg[i+1] = arg[i]; if (chmax(rui[i+1],rs[i])) arg[i+1] = i; } rep(i,n){ dp[0][i] = arg[rs[i]]; } rep(l,lg-1){ rep(i,n){ dp[l+1][i] = (dp[l][i] == -1 ? -1 : dp[l][dp[l][i]]); } } int q; cin >> q; rep(i,q){ int u, v; cin >> u >> v; u--, v--; u = inv[u], v = inv[v]; if (v < rs[u]){ out(1); continue; } u = dp[0][u]; if (u == -1){ out(-1); continue; } int ans = 1; for (int k = lg-1; k >= 0; k--){ if (dp[k][u] != -1 && v >= rs[dp[k][u]]){ ans += 1 << k; u = dp[k][u]; } } out(v < rs[u] ? ans+1 : -1); } } int main(){ fast_io(); int t = 1; //cin >> t; while(t--) solve(); }