#include<bits/stdc++.h>
#define pb emplace_back
#define AI(i) begin(i), end(i)
using namespace std;
using ll = long long;
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] : ", args)
void kout() { cerr << endl; }
template<class T, class ...U>
void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
void debug(auto L, auto R) { while (L != R) cerr << *L << " \n"[next(L) == R], ++L; }
vector<int> ans{0,0,0,0,0,1,0,0,1,1,0};
int mxq;
bool isSubsequence(vector<int> a) {
for (int i = 0, j = 0;i < a.size();++i) {
while (j < ans.size() && ans[j] != a[i])
++j;
if (j == ans.size()) return false;
++j;
}
mxq = max(mxq, (int)a.size());
return true;
}
#else
#include "grader.h"
#define debug(...) 0
#define DE(...) 0
#endif
const int MAX_N = 300010;
const vector<int> zero{0}, one{1};
int n;
bool query(vector<int> a) {
if (a.size() > n) return false;
return isSubsequence(a);
}
vector<int> operator + (vector<int> a, vector<int> b) {
a.insert(end(a), AI(b));
return a;
}
vector<int> findSequence(int _n) {
n = _n;
DE(n);
vector<int> Z, O, ans;
while (true) {
bool go = true;
if (query(Z + zero))
Z.pb(0);
else go = false;
if (query(O + one))
O.pb(1);
else go = false;
if (!go) break;
}
DE(O.size(), Z.size());
if (query(O + one)) {
while (O.size() + Z.size() < n)
O.pb(1);
}
else {
while (O.size() + Z.size() < n)
Z.pb(0);
}
if (Z.empty() || O.empty())
return Z.empty() ? O : Z;
vector<int> cnt(n+1);
vector<vector<int>> ad(n+1);
DE(__LINE__);
// insert into zeroes
if (Z.size() < O.size()) {
int zs = Z.size();
int ok = Z.size() + 1, pos = -1, sum = 0;
while (ok > 1) {
ok = 0, pos = -1;
for (int i = 0;i <= Z.size();++i) {
if (query(vector<int>(i, 0) + ad[i] + one + vector<int>(zs-i, 0)))
ad[i].pb(1), ++ok, pos = i, ++sum;
}
if (ok == 1) {
int U = O.size() - sum;
while (U--)
ad[pos].pb(1);
}
}
for (int i = 0;i <= Z.size();++i) {
ans = ans + ad[i];
if (i < Z.size())
ans.pb(0);
}
}
else {
// insert into ones
int zs = O.size();
int ok = O.size() + 1, pos = -1, sum = 0;
while (ok > 1) {
ok = 0, pos = -1;
for (int i = 0;i <= O.size();++i) {
if (query(vector<int>(i, 1) + ad[i] + zero + vector<int>(zs-i, 1)))
ad[i].pb(0), ++ok, pos = i, ++sum;
}
if (ok == 1) {
int U = Z.size() - sum;
while (U--)
ad[pos].pb(0);
}
}
for (int i = 0;i <= O.size();++i) {
ans = ans + ad[i];
if (i < O.size())
ans.pb(1);
}
}
return ans;
}
#ifdef KEV
int32_t main() {
ios_base::sync_with_stdio(0), cin.tie(0);
vector<int> res = findSequence(ans.size());
if (res == ans) {
cerr << "AC!\n";
DE(mxq);
}
else {
cerr << "WA\n";
debug(AI(res));
cerr << "Should be\n";
debug(AI(ans));
}
}
#endif
Compilation message
hidden.cpp: In function 'bool query(std::vector<int>)':
hidden.cpp:34:15: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
34 | if (a.size() > n) return false;
| ~~~~~~~~~^~~
hidden.cpp: In function 'std::vector<int> findSequence(int)':
hidden.cpp:28:17: warning: statement has no effect [-Wunused-value]
28 | #define DE(...) 0
| ^
hidden.cpp:44:2: note: in expansion of macro 'DE'
44 | DE(n);
| ^~
hidden.cpp:28:17: warning: statement has no effect [-Wunused-value]
28 | #define DE(...) 0
| ^
hidden.cpp:59:2: note: in expansion of macro 'DE'
59 | DE(O.size(), Z.size());
| ^~
hidden.cpp:62:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
62 | while (O.size() + Z.size() < n)
| ~~~~~~~~~~~~~~~~~~~~^~~
hidden.cpp:66:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
66 | while (O.size() + Z.size() < n)
| ~~~~~~~~~~~~~~~~~~~~^~~
hidden.cpp:28:17: warning: statement has no effect [-Wunused-value]
28 | #define DE(...) 0
| ^
hidden.cpp:75:2: note: in expansion of macro 'DE'
75 | DE(__LINE__);
| ^~
hidden.cpp:83:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
83 | for (int i = 0;i <= Z.size();++i) {
| ~~^~~~~~~~~~~
hidden.cpp:94:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
94 | for (int i = 0;i <= Z.size();++i) {
| ~~^~~~~~~~~~~
hidden.cpp:97:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
97 | if (i < Z.size())
| ~~^~~~~~~~~~
hidden.cpp:108:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
108 | for (int i = 0;i <= O.size();++i) {
| ~~^~~~~~~~~~~
hidden.cpp:119:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
119 | for (int i = 0;i <= O.size();++i) {
| ~~^~~~~~~~~~~
hidden.cpp:122:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
122 | if (i < O.size())
| ~~^~~~~~~~~~
grader.cpp: In function 'int main()':
grader.cpp:28:26: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
28 | fprintf (fifo_out, "%d\n", ans.size ());
| ~^ ~~~~~~~~~~~
| | |
| int std::vector<int>::size_type {aka long unsigned int}
| %ld
grader.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for (int i=0; i<ans.size () && i < N; i++)
| ~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
1 ms |
256 KB |
Output is partially correct: Maximum length of a query = 6 |
| 2 |
Partially correct |
1 ms |
256 KB |
Output is partially correct: Maximum length of a query = 7 |
| 3 |
Partially correct |
1 ms |
384 KB |
Output is partially correct: Maximum length of a query = 7 |
| 4 |
Partially correct |
1 ms |
256 KB |
Output is partially correct: Maximum length of a query = 6 |
| 5 |
Partially correct |
1 ms |
256 KB |
Output is partially correct: Maximum length of a query = 6 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
12 ms |
376 KB |
Output is partially correct: Maximum length of a query = 85 |
| 2 |
Correct |
17 ms |
376 KB |
Output is correct: Maximum length of a query = 90 |
| 3 |
Partially correct |
15 ms |
256 KB |
Output is partially correct: Maximum length of a query = 101 |
| 4 |
Partially correct |
10 ms |
376 KB |
Output is partially correct: Maximum length of a query = 81 |
| 5 |
Partially correct |
17 ms |
384 KB |
Output is partially correct: Maximum length of a query = 102 |
| 6 |
Partially correct |
26 ms |
256 KB |
Output is partially correct: Maximum length of a query = 100 |
| 7 |
Partially correct |
92 ms |
504 KB |
Output is partially correct: Maximum length of a query = 144 |
| 8 |
Partially correct |
26 ms |
376 KB |
Output is partially correct: Maximum length of a query = 94 |
| 9 |
Partially correct |
24 ms |
384 KB |
Output is partially correct: Maximum length of a query = 110 |
| 10 |
Partially correct |
58 ms |
376 KB |
Output is partially correct: Maximum length of a query = 125 |
| 11 |
Partially correct |
9 ms |
384 KB |
Output is partially correct: Maximum length of a query = 97 |
| 12 |
Partially correct |
112 ms |
504 KB |
Output is partially correct: Maximum length of a query = 150 |
| 13 |
Partially correct |
21 ms |
376 KB |
Output is partially correct: Maximum length of a query = 106 |
