#include <bits/stdc++.h>
using namespace std;
int query(string str);
int freq[27];
int nxt[5010];
string ans = "";
int qtd(int pos, char c)
{
string aux = "";
for (int i = 0; i <= pos; i++)
aux += ans[i];
for (int i = 0; i < freq[(int)(c-'a')]; i++)
aux += c;
return (query(aux) - (pos+1));
}
string guess(int n, int s)
{
for (int i = 0; i < s; i++)
{
char c = (char)('a'+i);
string aux = "";
for (int j = 0; j < n; j++)
aux += c;
freq[i] = query(aux);
}
for (int i = 0; i < s; i++)
{
if (!freq[i]) continue;
memset(nxt, 0, sizeof nxt);
char c = (char)('a'+i);
int tot = 0;
if (ans.empty())
{
for (int j = 0; j < freq[i]; j++)
ans += c;
continue;
}
while (true)
{
int ini = 0, fim = ans.size()-1, ind = -1;
while (ini <= fim)
{
int mid = (ini+fim)>>1;
if (qtd(mid, c) > tot) ind = mid, ini = mid+1;
else fim = mid-1;
}
if (ind == -1)
{
string aux = "";
for (int j = 0; j < freq[i]-tot; j++)
aux += c;
for (int j = 0; j < ans.size(); j++)
{
aux += ans[j];
for (int l = 0; l < nxt[j]; l++)
aux += c;
}
swap(ans, aux);
break;
}
nxt[ind] = qtd(ind, c)-tot;
tot = qtd(ind, c);
}
}
return ans;
}
Compilation message
password.cpp: In function 'std::__cxx11::string guess(int, int)':
password.cpp:74:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = 0; j < ans.size(); j++)
~~^~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
6 ms |
384 KB |
Guessed the password with 111 queries. |
| 2 |
Correct |
7 ms |
384 KB |
Guessed the password with 196 queries. |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Guessed the password with 68 queries. |
| 2 |
Correct |
6 ms |
384 KB |
Guessed the password with 148 queries. |
| 3 |
Correct |
5 ms |
384 KB |
Guessed the password with 16 queries. |
| 4 |
Correct |
9 ms |
384 KB |
Guessed the password with 322 queries. |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
88 ms |
384 KB |
Guessed the password with 5434 queries. |
| 2 |
Correct |
92 ms |
384 KB |
Guessed the password with 5621 queries. |
| 3 |
Correct |
191 ms |
388 KB |
Guessed the password with 11336 queries. |
| 4 |
Correct |
285 ms |
400 KB |
Guessed the password with 15291 queries. |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
6 ms |
384 KB |
Guessed the password with 111 queries. |
| 2 |
Correct |
7 ms |
384 KB |
Guessed the password with 196 queries. |
| 3 |
Correct |
5 ms |
384 KB |
Guessed the password with 68 queries. |
| 4 |
Correct |
6 ms |
384 KB |
Guessed the password with 148 queries. |
| 5 |
Correct |
5 ms |
384 KB |
Guessed the password with 16 queries. |
| 6 |
Correct |
9 ms |
384 KB |
Guessed the password with 322 queries. |
| 7 |
Correct |
88 ms |
384 KB |
Guessed the password with 5434 queries. |
| 8 |
Correct |
92 ms |
384 KB |
Guessed the password with 5621 queries. |
| 9 |
Correct |
191 ms |
388 KB |
Guessed the password with 11336 queries. |
| 10 |
Correct |
285 ms |
400 KB |
Guessed the password with 15291 queries. |
| 11 |
Correct |
391 ms |
544 KB |
Guessed the password with 20396 queries. |
| 12 |
Correct |
348 ms |
424 KB |
Guessed the password with 23042 queries. |
| 13 |
Correct |
415 ms |
512 KB |
Guessed the password with 23157 queries. |
| 14 |
Correct |
400 ms |
384 KB |
Guessed the password with 24602 queries. |
| 15 |
Correct |
574 ms |
504 KB |
Guessed the password with 26469 queries. |
| 16 |
Correct |
562 ms |
504 KB |
Guessed the password with 28297 queries. |
| 17 |
Correct |
424 ms |
504 KB |
Guessed the password with 23612 queries. |
| 18 |
Correct |
481 ms |
428 KB |
Guessed the password with 24968 queries. |
| 19 |
Correct |
550 ms |
504 KB |
Guessed the password with 25137 queries. |
| 20 |
Correct |
550 ms |
396 KB |
Guessed the password with 27772 queries. |
| 21 |
Correct |
274 ms |
400 KB |
Guessed the password with 13535 queries. |
| 22 |
Correct |
251 ms |
384 KB |
Guessed the password with 14074 queries. |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
6 ms |
384 KB |
Guessed the password with 111 queries. |
| 2 |
Correct |
7 ms |
384 KB |
Guessed the password with 196 queries. |
| 3 |
Correct |
5 ms |
384 KB |
Guessed the password with 68 queries. |
| 4 |
Correct |
6 ms |
384 KB |
Guessed the password with 148 queries. |
| 5 |
Correct |
5 ms |
384 KB |
Guessed the password with 16 queries. |
| 6 |
Correct |
9 ms |
384 KB |
Guessed the password with 322 queries. |
| 7 |
Correct |
88 ms |
384 KB |
Guessed the password with 5434 queries. |
| 8 |
Correct |
92 ms |
384 KB |
Guessed the password with 5621 queries. |
| 9 |
Correct |
191 ms |
388 KB |
Guessed the password with 11336 queries. |
| 10 |
Correct |
285 ms |
400 KB |
Guessed the password with 15291 queries. |
| 11 |
Correct |
391 ms |
544 KB |
Guessed the password with 20396 queries. |
| 12 |
Correct |
348 ms |
424 KB |
Guessed the password with 23042 queries. |
| 13 |
Correct |
415 ms |
512 KB |
Guessed the password with 23157 queries. |
| 14 |
Correct |
400 ms |
384 KB |
Guessed the password with 24602 queries. |
| 15 |
Correct |
574 ms |
504 KB |
Guessed the password with 26469 queries. |
| 16 |
Correct |
562 ms |
504 KB |
Guessed the password with 28297 queries. |
| 17 |
Correct |
424 ms |
504 KB |
Guessed the password with 23612 queries. |
| 18 |
Correct |
481 ms |
428 KB |
Guessed the password with 24968 queries. |
| 19 |
Correct |
550 ms |
504 KB |
Guessed the password with 25137 queries. |
| 20 |
Correct |
550 ms |
396 KB |
Guessed the password with 27772 queries. |
| 21 |
Correct |
274 ms |
400 KB |
Guessed the password with 13535 queries. |
| 22 |
Correct |
251 ms |
384 KB |
Guessed the password with 14074 queries. |
| 23 |
Correct |
559 ms |
488 KB |
Guessed the password with 26370 queries. |
| 24 |
Correct |
512 ms |
520 KB |
Guessed the password with 23692 queries. |
| 25 |
Correct |
1046 ms |
496 KB |
Guessed the password with 46514 queries. |
| 26 |
Correct |
911 ms |
680 KB |
Guessed the password with 40284 queries. |
| 27 |
Incorrect |
1071 ms |
576 KB |
Could not guess the password with 50000 queries. |
| 28 |
Halted |
0 ms |
0 KB |
- |
