Submission #496322

#	Time	Username	Problem	Language	Result	Execution time	Memory
496322		triplem5ds	Password (RMI18_password)	C++14	0 / 100	3 ms	496 KiB

password

/// 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) {
    vector<string> vs;
    while(s1.size() && s2.size()) {
        int x = query(s1 + s2);
        vs.push_back(string(1, s1.back())+s2.substr(0,x));
        s2 = s2.substr(x-s1.size());
        s1.pop_back();
    }
    vs.pb(s1);
    reverse(all(vs));
    string ans = "";
    for(auto s : vs)
        ans += s;
    return ans;
}

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;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 30
• Subtask 5: 0 / 20