제출 #1117359

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1117359		somefolk	Password (RMI18_password)	C++14	0 / 100	63 ms	608 KiB

password

#include <iostream>
#include <cmath>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
#include <unordered_map>
#include <queue>
#include <set>
#include <unordered_set>
#include <complex>
#include <list>
#include <chrono>
#include <random>
#include <stack>
#include <iomanip>
#include <fstream>
using namespace std;

#define endl "\n"
// #define int long long

const int INF = 2 * 1e5 + 5;
const int MOD = 1e9 + 7;

int query(string s);

string guess(int n, int s){
    map<char, int> a;
    for(char i = 0; i < s; i++){
        string s = string(n, i+'a');
        a[i+'a'] = query(s);
    }

    string sol;
    for(int i = 0; i < n; i++){
        char prev;
        for(auto &j : a){
            if(j.second != 0){
                prev = j.first;
                break;
            }
        }
        for(auto &j : a){
            if(prev == j.first || j.second == 0) continue;
            if(query(sol + prev + string(j.second, j.first)) == sol.size() + j.second + 1){
                prev = j.first;
            }
        }
        a[prev]--;
        sol+=prev;
    }

    return sol;
}

컴파일 시 표준 에러 (stderr) 메시지

password.cpp: In function 'std::string guess(int, int)':
password.cpp:46:62: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |             if(query(sol + prev + string(j.second, j.first)) == sol.size() + j.second + 1){
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
password.cpp:46:28: warning: 'prev' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |             if(query(sol + prev + string(j.second, j.first)) == sol.size() + j.second + 1){
      |                            ^~~~

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