#include<bits/stdc++.h>
#include "grader.h"
#include <bits/stdc++.h>
using namespace std;
//#pragma GCC optimize ("O3")
//#pragma GCC target ("sse4")
#ifndef LOCAL
#define cerr if(false) cerr
#endif
#define endl "\n"
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x.size())
typedef long long ll;
template<class T, template<class T2, class A=allocator<T2> > class cont> inline ostream &operator <<(ostream &out, const cont<T> &x) { for(const auto &it : x) { out << it << " ";} return out;}
template<class T, template<class T2, class A=allocator<T2> > class cont> inline istream &operator >>(istream &in, cont<T> &x) { for(auto &it : x) { in >> it;} return in;}
template<class T, class T2> inline ostream &operator <<(ostream &out, const pair<T, T2> &x) { out << x.first << " " << x.second; return out;}
template<class T, class T2> inline istream &operator >>(istream &in, pair<T, T2> &x) { in >> x.first >> x.second; return in;}
template<class T, class T2> inline bool chkmax(T &x, const T2 &y) { return x < y ? x = y, 1 : 0; }
template<class T, class T2> inline bool chkmin(T &x, const T2 &y) { return x > y ? x = y, 1 : 0; }
const ll mod = 1e9 + 7;
vector<int> findSequence(int n) {
int ZERO = 0, ONE = 1;
int half = (n / 2) + 1;
vector<int> s = {};
int cntZero = 0, cntOne = 0;
for(cntZero = 0; cntZero < half; cntZero ++) {
s.push_back(0);
if(!isSubsequence(s)) {
break;
}
}
s = {};
for(cntOne = 0; cntOne < half; cntOne ++) {
s.push_back(1);
if(!isSubsequence(s)) {
break;
}
}
if(cntZero > cntOne) {
swap(ZERO, ONE);
swap(cntZero, cntOne);
}
cntOne = n - cntZero;
vector<int> ans;
int nowZero = 0, nowOne = 0;
for(int i = 0; i < n; i ++) {
if(i != 0 && ans.back() == ONE) {
if(nowZero + cntOne - nowOne < nowOne + cntZero - nowZero) {
vector<int> ask = {};
for(int j = 0; j < nowZero + 1; j ++) {ask.push_back(ZERO);}
for(int j = 0; j < cntOne - nowOne; j ++) {ask.push_back(ONE);}
if(!isSubsequence(ask)) {
ans.push_back(ONE);
} else {
ans.push_back(ZERO);
}
} else {
vector<int> ask = {};
for(int j = 0; j < nowOne + 1; j ++) {ask.push_back(ONE);}
for(int j = 0; j < cntZero - nowZero; j ++) {ask.push_back(ZERO);}
if(isSubsequence(ask)) {
ans.push_back(ONE);
} else {
ans.push_back(ZERO);
}
}
} else {
vector<int> ask = {};
for(int j = 0; j < nowZero; j ++) {ask.push_back(ZERO);}
ask.push_back(ONE);
for(int j = 0; j < cntZero - nowZero; j ++) {ask.push_back(ZERO);}
if(isSubsequence(ask)) {
ans.push_back(ONE);
} else {
ans.push_back(ZERO);
}
}
if(ans.back() == ONE) {
nowOne ++;
} else {
nowZero ++;
}
}
return ans;
}
Compilation message
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 |
Correct |
0 ms |
200 KB |
Output is correct: Maximum length of a query = 5 |
| 2 |
Correct |
1 ms |
276 KB |
Output is correct: Maximum length of a query = 6 |
| 3 |
Correct |
0 ms |
200 KB |
Output is correct: Maximum length of a query = 5 |
| 4 |
Correct |
1 ms |
200 KB |
Output is correct: Maximum length of a query = 5 |
| 5 |
Correct |
1 ms |
200 KB |
Output is correct: Maximum length of a query = 4 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
200 KB |
Output is correct: Maximum length of a query = 83 |
| 2 |
Correct |
5 ms |
300 KB |
Output is correct: Maximum length of a query = 90 |
| 3 |
Correct |
5 ms |
200 KB |
Output is correct: Maximum length of a query = 96 |
| 4 |
Correct |
5 ms |
292 KB |
Output is correct: Maximum length of a query = 77 |
| 5 |
Correct |
6 ms |
284 KB |
Output is correct: Maximum length of a query = 95 |
| 6 |
Correct |
5 ms |
200 KB |
Output is correct: Maximum length of a query = 87 |
| 7 |
Correct |
9 ms |
292 KB |
Output is correct: Maximum length of a query = 97 |
| 8 |
Correct |
7 ms |
200 KB |
Output is correct: Maximum length of a query = 83 |
| 9 |
Correct |
7 ms |
200 KB |
Output is correct: Maximum length of a query = 101 |
| 10 |
Correct |
6 ms |
288 KB |
Output is correct: Maximum length of a query = 100 |
| 11 |
Correct |
5 ms |
200 KB |
Output is correct: Maximum length of a query = 96 |
| 12 |
Correct |
6 ms |
200 KB |
Output is correct: Maximum length of a query = 100 |
| 13 |
Correct |
5 ms |
200 KB |
Output is correct: Maximum length of a query = 101 |
