#include<bits/stdc++.h>
using namespace std;
#define fori(i, a, b) for(int i = (int) (a); i <= (int) (b); i++)
#define ford(i, a, b) for(int i = (int) (a); i >= (int) (b); i--)
//#define fi first
//#define se second
//#define all(x) begin(x), end(x)
//#define ii pair<int, int>
//#define pb push_back
//#define pf push_front
//#define em emplace
//#define ef emplace_front
//#define eb emplace_back
//#define om pop
//#define of pop_front
//#define ob pop_back
//mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
//#define rand rng
#define endl '\n'
#define sp ' '
int cnt[26];
int query(string);
string handle(int l, int r) {
if(l == r) {
string re;
char c = char(l + 'a');
fori(i, 1, cnt[l]) re.push_back(c);
//cout << re << endl;
return re;
}
else {
int m = l + r >> 1;
string L = handle(l, m);
string R = handle(m + 1, r);
int q_num = 0, len = L.size() + R.size();
int ptr = 0;
for(char C: R) {
while(1) {
if(ptr == L.size()) {
L.insert(ptr, 1, C);
ptr++;
break;
}
string tempL = L; tempL.insert(ptr, 1, C);
++q_num; assert(q_num <= len);
if(query(tempL) == tempL.size()) {
L = tempL; ptr++;
break;
}
else {
ptr++;
}
}
}
//cout << L << endl;
return L;
}
}
string guess(int n, int s) {
fori(i, 0, s - 1) {
char c = char(i + 'a');
string q;
fori(j, 1, n) q.push_back(c);
cnt[i] = query(q);
}
return handle(0, s - 1);
}
Compilation message
password.cpp: In function 'std::string handle(int, int)':
password.cpp:33:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
33 | int m = l + r >> 1;
| ~~^~~
password.cpp:40:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
40 | if(ptr == L.size()) {
| ~~~~^~~~~~~~~~~
password.cpp:47:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
47 | if(query(tempL) == tempL.size()) {
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Guessed the password with 60 queries. |
| 2 |
Correct |
2 ms |
200 KB |
Guessed the password with 100 queries. |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Guessed the password with 48 queries. |
| 2 |
Correct |
2 ms |
200 KB |
Guessed the password with 116 queries. |
| 3 |
Correct |
1 ms |
200 KB |
Guessed the password with 91 queries. |
| 4 |
Correct |
2 ms |
200 KB |
Guessed the password with 198 queries. |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
33 ms |
304 KB |
Guessed the password with 3455 queries. |
| 2 |
Correct |
53 ms |
312 KB |
Guessed the password with 5024 queries. |
| 3 |
Correct |
62 ms |
420 KB |
Guessed the password with 6353 queries. |
| 4 |
Correct |
75 ms |
416 KB |
Guessed the password with 8694 queries. |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Guessed the password with 60 queries. |
| 2 |
Correct |
2 ms |
200 KB |
Guessed the password with 100 queries. |
| 3 |
Correct |
1 ms |
200 KB |
Guessed the password with 48 queries. |
| 4 |
Correct |
2 ms |
200 KB |
Guessed the password with 116 queries. |
| 5 |
Correct |
1 ms |
200 KB |
Guessed the password with 91 queries. |
| 6 |
Correct |
2 ms |
200 KB |
Guessed the password with 198 queries. |
| 7 |
Correct |
33 ms |
304 KB |
Guessed the password with 3455 queries. |
| 8 |
Correct |
53 ms |
312 KB |
Guessed the password with 5024 queries. |
| 9 |
Correct |
62 ms |
420 KB |
Guessed the password with 6353 queries. |
| 10 |
Correct |
75 ms |
416 KB |
Guessed the password with 8694 queries. |
| 11 |
Correct |
128 ms |
324 KB |
Guessed the password with 13637 queries. |
| 12 |
Correct |
106 ms |
464 KB |
Guessed the password with 12460 queries. |
| 13 |
Correct |
149 ms |
320 KB |
Guessed the password with 14391 queries. |
| 14 |
Correct |
112 ms |
580 KB |
Guessed the password with 13938 queries. |
| 15 |
Correct |
163 ms |
328 KB |
Guessed the password with 15072 queries. |
| 16 |
Correct |
125 ms |
448 KB |
Guessed the password with 14153 queries. |
| 17 |
Correct |
170 ms |
312 KB |
Guessed the password with 16053 queries. |
| 18 |
Correct |
153 ms |
440 KB |
Guessed the password with 15190 queries. |
| 19 |
Correct |
142 ms |
568 KB |
Guessed the password with 16409 queries. |
| 20 |
Correct |
131 ms |
460 KB |
Guessed the password with 14248 queries. |
| 21 |
Correct |
183 ms |
332 KB |
Guessed the password with 16848 queries. |
| 22 |
Correct |
152 ms |
452 KB |
Guessed the password with 15316 queries. |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Guessed the password with 60 queries. |
| 2 |
Correct |
2 ms |
200 KB |
Guessed the password with 100 queries. |
| 3 |
Correct |
1 ms |
200 KB |
Guessed the password with 48 queries. |
| 4 |
Correct |
2 ms |
200 KB |
Guessed the password with 116 queries. |
| 5 |
Correct |
1 ms |
200 KB |
Guessed the password with 91 queries. |
| 6 |
Correct |
2 ms |
200 KB |
Guessed the password with 198 queries. |
| 7 |
Correct |
33 ms |
304 KB |
Guessed the password with 3455 queries. |
| 8 |
Correct |
53 ms |
312 KB |
Guessed the password with 5024 queries. |
| 9 |
Correct |
62 ms |
420 KB |
Guessed the password with 6353 queries. |
| 10 |
Correct |
75 ms |
416 KB |
Guessed the password with 8694 queries. |
| 11 |
Correct |
128 ms |
324 KB |
Guessed the password with 13637 queries. |
| 12 |
Correct |
106 ms |
464 KB |
Guessed the password with 12460 queries. |
| 13 |
Correct |
149 ms |
320 KB |
Guessed the password with 14391 queries. |
| 14 |
Correct |
112 ms |
580 KB |
Guessed the password with 13938 queries. |
| 15 |
Correct |
163 ms |
328 KB |
Guessed the password with 15072 queries. |
| 16 |
Correct |
125 ms |
448 KB |
Guessed the password with 14153 queries. |
| 17 |
Correct |
170 ms |
312 KB |
Guessed the password with 16053 queries. |
| 18 |
Correct |
153 ms |
440 KB |
Guessed the password with 15190 queries. |
| 19 |
Correct |
142 ms |
568 KB |
Guessed the password with 16409 queries. |
| 20 |
Correct |
131 ms |
460 KB |
Guessed the password with 14248 queries. |
| 21 |
Correct |
183 ms |
332 KB |
Guessed the password with 16848 queries. |
| 22 |
Correct |
152 ms |
452 KB |
Guessed the password with 15316 queries. |
| 23 |
Correct |
258 ms |
448 KB |
Guessed the password with 23613 queries. |
| 24 |
Correct |
224 ms |
452 KB |
Guessed the password with 22227 queries. |
| 25 |
Correct |
204 ms |
388 KB |
Guessed the password with 23795 queries. |
| 26 |
Correct |
169 ms |
444 KB |
Guessed the password with 23333 queries. |
| 27 |
Correct |
162 ms |
500 KB |
Guessed the password with 23764 queries. |
| 28 |
Correct |
236 ms |
340 KB |
Guessed the password with 23044 queries. |
| 29 |
Correct |
158 ms |
408 KB |
Guessed the password with 23848 queries. |
| 30 |
Correct |
203 ms |
444 KB |
Guessed the password with 22507 queries. |
