| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 496349 | triplem5ds | Password (RMI18_password) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
/// Zengy MANGA
#pragma GCC optimize("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")
#include "bits/stdc++.h"
using namespace std;
#define pb push_back
#define F first
#define S second
#define f(i, a, b) for(int i = a; i < b; i++)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define sz(x) (int)(x).size()
#define mp(x,y) make_pair(x,y)
#define popCnt(x) (__builtin_popcountll(x))
using ll = long long;
using ii = pair<int,int>;
using ull = unsigned long long;
using db = long double;
const int N = 2e5+5, LG = 18, MOD = 998244353;
const long double PI = acos(-1);
int query(string s);
using is = pair<int, string>;
priority_queue<is, vector<is>, greater<is>> pq;
string mrg(string s1, string s2) {
reverse(s2,s1);
for(int i = s1.size(); i > 0 && s2.size(); --i) {
for(int j = 1; j <= s2.size() + 1; j++) {
if(j > s2.size()) {
s1 = s1.substr(0,i) + s2 + s1.substr(i);
s2 = "";
break;
}
if(query(s1.substr(0,i) + s2.substr(s2.size()-j) + s1.substr(i)) != s1.size() + j) {
s1 = s1.substr(0,i) + s2.substr(s2.size()-(j-1)) + s1.substr(i);
f(k,0,j-1)s2.pop_back();
break;
}
}
}
return s2+s1;
}
string guess(int n, int s) {
f(i,0,s) {
string str = string(query(string(n, 'a' + i)), 'a' + i);
if(str.size())
pq.push(make_pair(str.size(), str));
}
while(sz(pq) > 1) {
auto cur1 = pq.top().second; pq.pop();
auto cur2 = pq.top().second; pq.pop();
string ans = mrg(cur1, cur2);
pq.push(mp(sz(ans), ans));
}
return pq.top().second;
}