Submission #901694

#TimeUsernameProblemLanguageResultExecution timeMemory
901694trMatherzSecret (JOI14_secret)C++17
30 / 100
415 ms8428 KiB
//#include <iostream> //cin, cout #include "secret.h" /* #include <fstream> std::ifstream cin ("ex.in"); std::ofstream cout ("ex.out"); */ // includes #include <cmath> #include <set> #include <map> #include <queue> #include <string> #include <vector> #include <array> #include <algorithm> #include <numeric> #include <iomanip> #include <unordered_set> #include <stack> #include <ext/pb_ds/assoc_container.hpp> #include <random> #include <chrono> //usings using namespace std; using namespace __gnu_pbds; // misc #define ll long long #define pb push_back #define pq priority_queue #define ub upper_bound #define lb lower_bound template<typename T, typename U> bool emin(T &a, const U &b){ return b < a ? a = b, true : false; } template<typename T, typename U> bool emax(T &a, const U &b){ return b > a ? a = b, true : false; } typedef uint64_t hash_t; // vectors #define vi vector<int> #define vvi vector<vi> #define vvvi vector<vvi> #define vpii vector<pair<int, int>> #define vvpii vector<vector<pair<int, int>>> #define vppipi vector<pair<int, pair<int, int>>> #define vl vector<ll> #define vvl vector<vl> #define vvvl vector<vvl> #define vpll vector<pair<ll, ll>> #define vb vector<bool> #define vvb vector<vb> #define vs vector<string> #define sz(x) (int)x.size() #define rz resize #define all(x) x.begin(), x.end() // pairs #define pii pair<int, int> #define pll pair<ll, ll> #define mp make_pair #define f first #define s second // sets #define si set<int> #define sl set<ll> #define ss set<string> #define in insert template <class T> using iset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; // maps #define mii map<int, int> #define mll map<ll, ll> // loops #define FR(x, z, y) for (int x = z; x < y; x++) #define FRe(x, z, y) FR(x, z, y + 1) #define F(x, y) FR(x, 0, y) #define Fe(x, y) F(x, y + 1) #define A(x, y) for(auto &x : y) int n; vvi v; int build(int l, int r){ if(l == r) return v[l][l]; int m = (l + r) / 2; v[l][r] = Secret(build(l, m), build(m + 1, r)); return v[l][r]; } int get(int l, int r, int rl, int rr){ if(r < rl || l > rr) return -1; if(rl <= l && r <= rr) return v[l][r]; int m = (l + r) / 2; int x = get(l, m, rl, rr); int y = get(m + 1, r, rl, rr); if(x == -1) return y; else if(y == -1) return x; else return Secret(x, y); } void Init(int N, int A[]){ n = N; v = vvi(n, vi(n)); F(i, n) v[i][i] = A[i]; build(0, n - 1); } int Query(int L, int R){ return get(0, n - 1, L, R); }
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