Submission #1163188

#TimeUsernameProblemLanguageResultExecution timeMemory
1163188steveonalexPassword (RMI18_password)C++20
0 / 100
19 ms464 KiB
#include <bits/stdc++.h> using namespace std; #define ALL(v) (v).begin(), (v).end() // //ll max(ll a, ll b){return (a > b) ? a : b;} //ll min(ll a, ll b){return (a < b) ? a : b;} //ll gcd(ll a, ll b){return __gcd(a, b);} //ll lcm(ll a, ll b){return a / gcd(a, b) * b;} // //ll LASTBIT(ll mask){return (mask) & (-mask);} //int pop_cnt(ull mask){return __builtin_popcountll(mask);} //int ctz(ull mask){return __builtin_ctzll(mask);} //int logOf(ull mask){return 63 - __builtin_clzll(mask);} //mt19937_64 rng(1); //double rngesus_d(double l, double r){ // double wow = (double) ((ull) rng()) / ((ull)(0-1)); // return wow * (r - l) + l; //} // //template <class T1, class T2> // bool maximize(T1 &a, T2 b){ // if (a < b) {a = b; return true;} // return false; // } // //template <class T1, class T2> // bool minimize(T1 &a, T2 b){ // if (a > b) {a = b; return true;} // return false; // } // //template <class T> // void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){ // for(auto item: container) out << item << separator; // out << finish; // } // //template <class T> // void remove_dup(vector<T> &a){ // sort(ALL(a)); // a.resize(unique(ALL(a)) - a.begin()); // } int query(string q); string guess(int n, int s); string go(int n, int u, int v){ if (u == v){ string wow(n, u + 'a'); int l = query(wow); string ans = string(l, u + 'a'); return ans; } int mid = (u + v) >> 1; string left = go(n, u, mid), right = go(n, mid+1, v); if (left.size() == 0) return right; if (right.size() == 0) return left; reverse(ALL(right)); string ans = ""; for(int i = 0; i < (int) left.size(); ++i){ while(right.size()){ string cur = ans + string(1, right.back()); for(int j = i; j < (int) left.size(); ++j) cur += left[j]; if (query(cur) == cur.size()) { ans.push_back(right.back()); right.pop_back(); } else break; } ans.push_back(left[i]); } reverse(ALL(right)); ans += right; return ans; } string guess(int n, int s){ string ans = go(n, 0, s - 1); return ans; }
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