結果
問題 | No.2242 Cities and Teleporters |
ユーザー | fastmath |
提出日時 | 2023-03-10 21:56:27 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,887 bytes |
コンパイル時間 | 1,673 ms |
コンパイル使用メモリ | 149,904 KB |
実行使用メモリ | 59,348 KB |
最終ジャッジ日時 | 2024-09-18 04:13:03 |
合計ジャッジ時間 | 41,615 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | AC | 1,526 ms
58,340 KB |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | AC | 1,444 ms
57,336 KB |
testcase_23 | AC | 1,583 ms
59,344 KB |
testcase_24 | AC | 1,607 ms
59,216 KB |
testcase_25 | AC | 1,571 ms
59,216 KB |
ソースコード
#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <bitset> #include <fstream> #include <array> #include <functional> #include <stack> #include <memory> using namespace std; #define int long long #define ii pair <int, int> #define app push_back #define all(a) a.begin(), a.end() #define bp __builtin_popcountll #define ll long long #define mp make_pair #define x first #define y second #define Time (double)clock()/CLOCKS_PER_SEC #ifdef LOCAL #define debug(x) std::cerr << #x << ": " << x << '\n'; #define debug2(x, y) std::cerr << #x << ", " << #y << ": " << x << ", " << y << '\n'; #define debug3(x, y, z) std::cerr << #x << ", " << #y << ", " << #z << ": " << x << ", " << y << ", " << z << '\n'; #else #define debug(x) #define debug2(x, y) #define debug3(x, y, z) #endif #define FORI(i,a,b) for (int i = (a); i < (b); ++i) #define FOR(i,a) FORI(i,0,a) #define ROFI(i,a,b) for (int i = (b)-1; i >= (a); --i) #define ROF(i,a) ROFI(i,0,a) #define rep(a) FOR(_,a) #define each(a,x) for (auto& a: x) #define FORN(i, n) FORI(i, 1, n + 1) using vi = vector<int>; template <typename T> std::istream& operator >>(std::istream& input, std::pair <T, T> & data) { input >> data.x >> data.y; return input; } template <typename T> std::istream& operator >>(std::istream& input, std::vector<T>& data) { for (T& x : data) input >> x; return input; } template <typename T> std::ostream& operator <<(std::ostream& output, const pair <T, T> & data) { output << "(" << data.x << "," << data.y << ")"; return output; } template <typename T> std::ostream& operator <<(std::ostream& output, const std::vector<T>& data) { for (const T& x : data) output << x << " "; return output; } ll div_up(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up ll div_down(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down ll math_mod(ll a, ll b) { return a - b * div_down(a, b); } #define tcT template<class T #define tcTU tcT, class U tcT> using V = vector<T>; tcT> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; } // set a = min(a,b) tcT> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } ll gcd(ll a, ll b) { while (b) { tie(a, b) = mp(b, a % b); } return a; } int Bit(int mask, int bit) { return (mask >> bit) & 1; } signed main() { #ifdef LOCAL #else #define endl '\n' ios_base::sync_with_stdio(0); cin.tie(0); #endif int n; cin >> n; vi h(n), t(n); cin >> h >> t; int q; cin >> q; const int LG = 20; V <vi> mx(LG, vi(n,-1)); FOR(i,n) { mx[0][i] = t[i]; } for (int p = 1; p < LG; ++p) { V <array <int, 3>> ord; FOR(j,n) { ord.app({h[j],0,j}); ord.app({mx[p-1][j],1,j}); } sort(all(ord)); int cur = -1e18; each (e,ord) { if (e[1]==0) { ckmax(cur, mx[p - 1][e[2]]); } else { mx[p][e[2]] = cur; } } } //cout << mx[0][0] << endl; rep (q) { int a, b; cin >> a >> b; a--; b--; if (t[a]>=h[b]) { cout << 1 << endl; } else { int ans = 0; if (mx[LG-1][a]<h[b]) { cout<<-1<<endl; continue; } ROF (i, LG) { if (mx[i][a] < h[b]) { a = mx[i][a]; ans += 1 << i; } } cout<<ans+1<<endl; } } }