| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 251362 | 2020-07-21T02:40:57 Z | shenxy | Password (RMI18_password) | C++14 | 255 ms | 744 KB |
#include <algorithm>
#include <string>
using namespace std;
int cnt[26];
int query(string str);
string dnc(int s, int e) {
if (s == e) {
string ans = "";
for (int i = 0; i < cnt[s]; ++i) ans.push_back('a' + s);
return ans;
}
string l = dnc(s, (s + e) / 2), r = dnc((s + e) / 2 + 1, e);
int ptr = 0;
for (char c: r) {
string x = l;
x.insert(ptr, 1, c);
while (query(x) != x.length()) x = l, x.insert(++ptr, 1, c);
l = x;
++ptr;
}
return l;
}
string guess(int N, int S) {
for (int i = 0; i < S; ++i) {
string Q = "";
for (int j = 0; j < N; ++j) Q.push_back('a' + i);
cnt[i] = query(Q);
}
return dnc(0, S - 1);
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 256 KB | Guessed the password with 68 queries. |
| 2 | Correct | 2 ms | 256 KB | Guessed the password with 111 queries. |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 256 KB | Guessed the password with 48 queries. |
| 2 | Correct | 2 ms | 256 KB | Guessed the password with 116 queries. |
| 3 | Correct | 1 ms | 256 KB | Guessed the password with 93 queries. |
| 4 | Correct | 2 ms | 256 KB | Guessed the password with 203 queries. |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 36 ms | 256 KB | Guessed the password with 3704 queries. |
| 2 | Correct | 39 ms | 376 KB | Guessed the password with 5053 queries. |
| 3 | Correct | 68 ms | 376 KB | Guessed the password with 6584 queries. |
| 4 | Correct | 86 ms | 376 KB | Guessed the password with 8721 queries. |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 256 KB | Guessed the password with 68 queries. |
| 2 | Correct | 2 ms | 256 KB | Guessed the password with 111 queries. |
| 3 | Correct | 1 ms | 256 KB | Guessed the password with 48 queries. |
| 4 | Correct | 2 ms | 256 KB | Guessed the password with 116 queries. |
| 5 | Correct | 1 ms | 256 KB | Guessed the password with 93 queries. |
| 6 | Correct | 2 ms | 256 KB | Guessed the password with 203 queries. |
| 7 | Correct | 36 ms | 256 KB | Guessed the password with 3704 queries. |
| 8 | Correct | 39 ms | 376 KB | Guessed the password with 5053 queries. |
| 9 | Correct | 68 ms | 376 KB | Guessed the password with 6584 queries. |
| 10 | Correct | 86 ms | 376 KB | Guessed the password with 8721 queries. |
| 11 | Correct | 107 ms | 504 KB | Guessed the password with 13682 queries. |
| 12 | Correct | 136 ms | 504 KB | Guessed the password with 12654 queries. |
| 13 | Correct | 148 ms | 376 KB | Guessed the password with 14410 queries. |
| 14 | Correct | 113 ms | 500 KB | Guessed the password with 13979 queries. |
| 15 | Correct | 109 ms | 376 KB | Guessed the password with 15314 queries. |
| 16 | Correct | 127 ms | 504 KB | Guessed the password with 14485 queries. |
| 17 | Correct | 140 ms | 376 KB | Guessed the password with 16114 queries. |
| 18 | Correct | 156 ms | 376 KB | Guessed the password with 15294 queries. |
| 19 | Correct | 169 ms | 376 KB | Guessed the password with 16485 queries. |
| 20 | Correct | 140 ms | 504 KB | Guessed the password with 15088 queries. |
| 21 | Correct | 165 ms | 504 KB | Guessed the password with 16990 queries. |
| 22 | Correct | 158 ms | 384 KB | Guessed the password with 15908 queries. |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 256 KB | Guessed the password with 68 queries. |
| 2 | Correct | 2 ms | 256 KB | Guessed the password with 111 queries. |
| 3 | Correct | 1 ms | 256 KB | Guessed the password with 48 queries. |
| 4 | Correct | 2 ms | 256 KB | Guessed the password with 116 queries. |
| 5 | Correct | 1 ms | 256 KB | Guessed the password with 93 queries. |
| 6 | Correct | 2 ms | 256 KB | Guessed the password with 203 queries. |
| 7 | Correct | 36 ms | 256 KB | Guessed the password with 3704 queries. |
| 8 | Correct | 39 ms | 376 KB | Guessed the password with 5053 queries. |
| 9 | Correct | 68 ms | 376 KB | Guessed the password with 6584 queries. |
| 10 | Correct | 86 ms | 376 KB | Guessed the password with 8721 queries. |
| 11 | Correct | 107 ms | 504 KB | Guessed the password with 13682 queries. |
| 12 | Correct | 136 ms | 504 KB | Guessed the password with 12654 queries. |
| 13 | Correct | 148 ms | 376 KB | Guessed the password with 14410 queries. |
| 14 | Correct | 113 ms | 500 KB | Guessed the password with 13979 queries. |
| 15 | Correct | 109 ms | 376 KB | Guessed the password with 15314 queries. |
| 16 | Correct | 127 ms | 504 KB | Guessed the password with 14485 queries. |
| 17 | Correct | 140 ms | 376 KB | Guessed the password with 16114 queries. |
| 18 | Correct | 156 ms | 376 KB | Guessed the password with 15294 queries. |
| 19 | Correct | 169 ms | 376 KB | Guessed the password with 16485 queries. |
| 20 | Correct | 140 ms | 504 KB | Guessed the password with 15088 queries. |
| 21 | Correct | 165 ms | 504 KB | Guessed the password with 16990 queries. |
| 22 | Correct | 158 ms | 384 KB | Guessed the password with 15908 queries. |
| 23 | Correct | 251 ms | 476 KB | Guessed the password with 23708 queries. |
| 24 | Correct | 214 ms | 460 KB | Guessed the password with 22770 queries. |
| 25 | Correct | 217 ms | 488 KB | Guessed the password with 23853 queries. |
| 26 | Correct | 227 ms | 688 KB | Guessed the password with 23374 queries. |
| 27 | Correct | 255 ms | 488 KB | Guessed the password with 23807 queries. |
| 28 | Correct | 229 ms | 744 KB | Guessed the password with 23436 queries. |
| 29 | Correct | 208 ms | 416 KB | Guessed the password with 23873 queries. |
| 30 | Correct | 220 ms | 532 KB | Guessed the password with 23818 queries. |