oj.uz

Submission #773329

# Submission time Handle Problem Language Result Execution time Memory
773329 2023-07-04T22:24:31 Z Khizri Password (RMI18_password) C++17
0 / 100
 4 ms 208 KB 
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
#define INF 1e18
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pii pair<int,int>
#define pll pair<ll,ll>
#define OK cout<<"Ok"<<endl;
#define MOD (ll)(1e9+7)
using namespace std;
int query(string q);
int mxn=2e5+5;
int k;
string mrg(string a,string b){
    string x;
    for(int i=0;i<b.size();i++){
        for(int j=0;j<=a.size();j++){
            x=a;
            x.insert(x.begin()+j,b[i]);
            if(query(x)==x.size()){
                a=x;
                break;
            }
        }
    }
    //cout<<a<<endl;
    return a;
}
string guess(int n, int kx){
    char cc='a';
    int k=kx;
    kx--;
    while(kx--){
        cc++;
    }
    priority_queue<string,vector<string>,greater<string>>q;
    for(char c='a';c<=cc;c++){
        string s="";
        for(int j=1;j<=n;j++){
            s+=c;
        }
        int x=query(s);
        s="";
        //cout<<x<<endl;
        for(int i=1;i<=x;i++){
            s+=c;
        }
        //cout<<s<<endl;
        if(s.size()>0){
            q.push(s);
        }
        //c++;
    }
    while(q.size()>1){
        string a=q.top();
        q.pop();
        string b=q.top();
        q.pop();
        string x=mrg(a,b);
        cout<<x<<endl;
        q.push(x);
    }
    return q.top();
}
//10 26 adfsfgsdfz

Compilation message

password.cpp: In function 'std::string mrg(std::string, std::string)':
password.cpp:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i=0;i<b.size();i++){
      |                 ~^~~~~~~~~
password.cpp:20:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |         for(int j=0;j<=a.size();j++){
      |                     ~^~~~~~~~~~
password.cpp:23:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |             if(query(x)==x.size()){
      |                ~~~~~~~~^~~~~~~~~~
password.cpp: In function 'std::string guess(int, int)':
password.cpp:34:9: warning: unused variable 'k' [-Wunused-variable]
   34 |     int k=kx;
      |         ^

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 208 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 208 KB Guessed the password with 451 queries.
2 Runtime error 1 ms 208 KB Execution killed with signal 13
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 208 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 208 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 208 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -