Submission #867699

#	Time	Username	Problem	Language	Result	Execution time	Memory
867699		franfill	Password (RMI18_password)	C++17	0 / 100	1 ms	436 KiB

password

#include<bits/stdc++.h>
using namespace std;

int query(string S);

string cur = "";
int N, S;

int solve(int i, char c)
{
	if (c > 'z' || cur.size() == N)
		return 0;
	string tr = "";
	if (i != 0)
		tr += cur.substr(0, i);
	tr += c;
	if (i != cur.size())
		tr += cur.substr(i, ((int)cur.size())-i);
	if (query(tr) == tr.size())
	{
		int ans = 1;
		cur = tr;
		ans += solve(i, c);
		ans += solve(i+ans, c+1);
		return ans;
	}
	else
		return solve(i, c+1);
}

string guess(int N, int S)
{	
	::N = N;
	::S = S;
	cur = "";
	solve(0, 'a');
	return cur;
}

Compilation message (stderr)

password.cpp: In function 'int solve(int, char)':
password.cpp:11:28: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   11 |  if (c > 'z' || cur.size() == N)
      |                 ~~~~~~~~~~~^~~~
password.cpp:17:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  if (i != cur.size())
      |      ~~^~~~~~~~~~~~~
password.cpp:19:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |  if (query(tr) == tr.size())
      |      ~~~~~~~~~~^~~~~~~~~~~~

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