Submission #1117357

#	Time	Username	Problem	Language	Result	Execution time	Memory
1117357		Ciprian	Password (RMI18_password)	C++14	50 / 100	1057 ms	960 KiB

password

#include <bits/stdc++.h>
using namespace std;
int query(string s);
string guess(int n, int s){
    char a='a';
    vector<char>c;
    
    map<char, int>cnt;
    for(int j=1; j<=s; j++){
        cnt[a]=query(string(n, a));
        if (cnt[a]) c.push_back(a);
        a++;
    }
    string w="";
    for(int i=1; i<=n; i++){
        int r=0;
        
        while(!cnt[c[r]] ){
            r++;
        }char x=c[r];
        
        for(int j=r+1; j<c.size(); j++){
            if (!cnt[c[j]]) continue;
            if(query(w+c[j]+string(cnt[x], x))==w.size()+cnt[x]+1){
                x=c[j];
            }   
        }w+=x;
        cnt[x]--;
    }
    
    return w;
}

Compilation message (stderr)

password.cpp: In function 'std::string guess(int, int)':
password.cpp:23:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         for(int j=r+1; j<c.size(); j++){
      |                        ~^~~~~~~~~
password.cpp:25:47: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |             if(query(w+c[j]+string(cnt[x], x))==w.size()+cnt[x]+1){
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~

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