# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
371614 | 2021-02-27T03:53:35 Z | hoaphat1 | Airline Route Map (JOI18_airline) | C++17 | 0 ms | 0 KB |
#include<bits/stdc++.h> using namespace std; vector<int> fpm; vector<int> value; void recall() { int k = 10; for (int i = 0; i < 10; i++) fpm.push_back(1); int v = (1 << k) - 1; vector<bool> kt(1 << k); kt[v] = true; while ((int)fpm.size() < 1000) { v = (v << 1) % (1 << k); int sign = 0; if (kt[v]) { v++; sign = 1; } assert(!kt[v]); kt[v] = true; value.push_back(v); fpm.push_back(sign); } } vector<int> paint(int n) { if (fpm.empty()) recall(); vector<int> a(n + 1); a[n] = 10; for (int i = 0; i < n; i++) a[i] = fpm[i]; return a; } vector<int> now; int find_location(int n, vector<int> c) { assert(!fpm.empty()); /*for (int i = 0; i < 10; i++) cout << c[i] <<" ";cout << endl; for (int i = 0; i < 10; i++) cout << need[i] <<" ";cout << endl;*/ for (int i = 0; i < n; i++) { now.clear(); for (int j = 0; j < 10; j++) { if (i + j >= n) now.push_back(-1); else now.push_back(fpm[i + j]); } if (now == c) return i; } assert(false); } /*int main() { ios::sync_with_stdio(false); cin.tie(0); int n = 100; int* a = paint(n); //for (int i = 0; i <= n; i++) cout << a[i] <<" ";cout << endl; mt19937 rgn(chrono::steady_clock::now().time_since_epoch().count()); for (int i = 0; i < 7; i++) { int pos = rgn() % n; int c[a[n]]; for (int j = 0; j < a[n]; j++) { c[j] = (pos + j >= n ? -1 : a[pos + j]); } cout << pos << endl; cout << find_location(n, c) << endl; } }*/