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답안 #519409

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
519409 2022-01-26T10:23:36 Z hohohaha Password (RMI18_password) C++14
100 / 100
 263 ms 632 KB 
#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
 
//using namespace __gnu_pbds;
using namespace std;
 
typedef vector<int> vi;
 
string substr(string s, int l, int r) {
    string ans;
    for (int i = l; i <= r; i++)
        ans += s[i];
    return ans;
}
 
int query(string);
 
vi cnt;
 
string merge(string s,string t){
    if(s.size()<t.size())
        swap(s,t);
    for(int i=-1; i<int(s.size()); i++){
        if(!t.size())break;
        string cur=s.substr(0,i+1)+string(1,t[0])+s.substr(i+1,s.size()-(i+1));
        if(query(cur)==cur.size()){
            s=s.substr(0,i+1)+string(1,t[0])+s.substr(i+1,s.size()-(i+1));
            t=t.substr(1,t.size()-1);
        }
    }
    return s;
}
string dfs(int l,int r,int n){
    if(l>r)return "";
    else if(l==r)return string(cnt[l],l+'a');
 
    int m=(l+r)/2;
    return merge(dfs(l,m,n),dfs(m+1,r,n));
}
string guess(int n,int AB){
    cnt=vi(26);
    int sum=0;
    for(int i=0; i<AB; i++){
        int ans=query(string(n,i+'a'));
        cnt[i]=ans;
        sum+=ans;
    }
    return dfs(0,AB-1,n);
}

Compilation message

password.cpp: In function 'std::string merge(std::string, std::string)':
password.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         if(query(cur)==cur.size()){
      |            ~~~~~~~~~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Guessed the password with 68 queries.
2 Correct 2 ms 200 KB Guessed the password with 111 queries.

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Guessed the password with 52 queries.
2 Correct 2 ms 200 KB Guessed the password with 116 queries.
3 Correct 1 ms 292 KB Guessed the password with 105 queries.
4 Correct 3 ms 200 KB Guessed the password with 199 queries.

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 464 KB Guessed the password with 3462 queries.
2 Correct 30 ms 376 KB Guessed the password with 5035 queries.
3 Correct 63 ms 504 KB Guessed the password with 6355 queries.
4 Correct 93 ms 392 KB Guessed the password with 8715 queries.

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Guessed the password with 68 queries.
2 Correct 2 ms 200 KB Guessed the password with 111 queries.
3 Correct 1 ms 204 KB Guessed the password with 52 queries.
4 Correct 2 ms 200 KB Guessed the password with 116 queries.
5 Correct 1 ms 292 KB Guessed the password with 105 queries.
6 Correct 3 ms 200 KB Guessed the password with 199 queries.
7 Correct 27 ms 464 KB Guessed the password with 3462 queries.
8 Correct 30 ms 376 KB Guessed the password with 5035 queries.
9 Correct 63 ms 504 KB Guessed the password with 6355 queries.
10 Correct 93 ms 392 KB Guessed the password with 8715 queries.
11 Correct 156 ms 388 KB Guessed the password with 13650 queries.
12 Correct 106 ms 392 KB Guessed the password with 12460 queries.
13 Correct 146 ms 392 KB Guessed the password with 14407 queries.
14 Correct 108 ms 508 KB Guessed the password with 13973 queries.
15 Correct 184 ms 396 KB Guessed the password with 15077 queries.
16 Correct 148 ms 536 KB Guessed the password with 14160 queries.
17 Correct 181 ms 520 KB Guessed the password with 16061 queries.
18 Correct 178 ms 400 KB Guessed the password with 15212 queries.
19 Correct 153 ms 396 KB Guessed the password with 16417 queries.
20 Correct 163 ms 516 KB Guessed the password with 14253 queries.
21 Correct 171 ms 400 KB Guessed the password with 16875 queries.
22 Correct 125 ms 524 KB Guessed the password with 15478 queries.

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Guessed the password with 68 queries.
2 Correct 2 ms 200 KB Guessed the password with 111 queries.
3 Correct 1 ms 204 KB Guessed the password with 52 queries.
4 Correct 2 ms 200 KB Guessed the password with 116 queries.
5 Correct 1 ms 292 KB Guessed the password with 105 queries.
6 Correct 3 ms 200 KB Guessed the password with 199 queries.
7 Correct 27 ms 464 KB Guessed the password with 3462 queries.
8 Correct 30 ms 376 KB Guessed the password with 5035 queries.
9 Correct 63 ms 504 KB Guessed the password with 6355 queries.
10 Correct 93 ms 392 KB Guessed the password with 8715 queries.
11 Correct 156 ms 388 KB Guessed the password with 13650 queries.
12 Correct 106 ms 392 KB Guessed the password with 12460 queries.
13 Correct 146 ms 392 KB Guessed the password with 14407 queries.
14 Correct 108 ms 508 KB Guessed the password with 13973 queries.
15 Correct 184 ms 396 KB Guessed the password with 15077 queries.
16 Correct 148 ms 536 KB Guessed the password with 14160 queries.
17 Correct 181 ms 520 KB Guessed the password with 16061 queries.
18 Correct 178 ms 400 KB Guessed the password with 15212 queries.
19 Correct 153 ms 396 KB Guessed the password with 16417 queries.
20 Correct 163 ms 516 KB Guessed the password with 14253 queries.
21 Correct 171 ms 400 KB Guessed the password with 16875 queries.
22 Correct 125 ms 524 KB Guessed the password with 15478 queries.
23 Correct 234 ms 540 KB Guessed the password with 23705 queries.
24 Correct 166 ms 612 KB Guessed the password with 22240 queries.
25 Correct 220 ms 544 KB Guessed the password with 23865 queries.
26 Correct 260 ms 540 KB Guessed the password with 23349 queries.
27 Correct 263 ms 520 KB Guessed the password with 23792 queries.
28 Correct 260 ms 592 KB Guessed the password with 23049 queries.
29 Correct 136 ms 512 KB Guessed the password with 23871 queries.
30 Correct 225 ms 632 KB Guessed the password with 22509 queries.