#include "grader.h"
#include "bits/stdc++.h"
using namespace std;
#define FAST ios_base::sync_with_stdio(false); cin.tie(0);
#define pb push_back
#define eb emplace_back
#define ins insert
#define ph push
#define f first
#define s second
#define cbr cerr << "hi\n"
#define mmst(x, v) memset((x), v, sizeof ((x)))
#define siz(x) ll(x.size())
#define all(x) (x).begin(), (x).end()
#define lbd(x, y) lower_bound(all(x), y)
#define ubd(x, y) upper_bound(all(x), y)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); //can be used by calling rng() or shuffle(A, A+n, rng)
inline long long rand(long long x, long long y) { return (rng() % (y+1-x)) + x; } //inclusivesss
string inline to_string(char c) {string s(1,c);return s;} template<typename T> inline T gcd(T a,T b){ return a==0?llabs(b):gcd(b%a,a); }
typedef long long ll;
typedef long double ld;
#define FOR(i,s,e) for(ll i=s;i<=ll(e);++i)
#define DEC(i,s,e) for(ll i=s;i>=ll(e);--i)
typedef pair<ll,ll>pi; typedef pair<ll,pi>spi; typedef pair<pi,pi>dpi;
#define LLINF ((long long)1e18)
#define INF int(1e9+1e6)
#define MAXN (300006)
ll n,zero,one;
vector<int> ans;
bool ask(vector<int> v) {
return isSubsequence(v);
}
vector<int> findSequence(int N) {
n=N;
vector<int> v;
ans.clear(), v.clear();
FOR(i,1,n/2+1) v.pb(0);
if(ask(v)) { // 0 is more
one=0;
v.clear();
FOR(i,1,n/2){
v.pb(1);
if(ask(v)){
one=i;
}
}
zero=n-one;
}else{
zero=0;
v.clear();
FOR(i,1,n/2){
v.pb(0);
if(ask(v)) zero=i;
}
one=n-zero;
}
ll acc_z=0;
FOR(i,1,one){
ll z_val=-1;
FOR(z,0,zero-acc_z){
ll o1=i, z1=zero-acc_z-z;
ll o2=one-i+1, z2=acc_z+z;
assert(o1+o2+z1+z2==n+1);
if((z2==0)||(o1+z1<=o2+z2&&z1)){
// assert(o1+z1<=n/2+1);
v.clear();
FOR(i,1,o1)v.pb(1);
FOR(i,1,z1)v.pb(0);
if(ask(v)){
z_val=z;
// cerr<<i<<": "<<z<<'\n';
// cerr<<o1<<' '<<z1<<'\n';
break;
}
}else{
// assert(o2+z2<=n/2+1);
v.clear();
FOR(i,1,z2)v.pb(0);
FOR(i,1,o2)v.pb(1);
if(ask(v)){
// cerr<<i<<"non-stop: "<<z<<'\n';
z_val=z;
}
}
}
assert(~z_val);
acc_z += z_val;
while(z_val--) ans.pb(0);
ans.pb(1);
}
while(acc_z < zero) {
ans.pb(0), ++ acc_z;
}
return ans;
}
/*
10
0 1 0 0 0 1 1 1 1 0
*/
Compilation message
grader.cpp: In function 'int main()':
grader.cpp:28:43: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
fprintf (fifo_out, "%d\n", ans.size ());
~~~~~~~~~~~^
grader.cpp:29:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i=0; i<ans.size () && i < N; i++)
~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
4 ms |
256 KB |
Output is not correct: The returned sequence does not match the hidden one |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
8 ms |
256 KB |
Output is not correct: The returned sequence does not match the hidden one |
| 2 |
Halted |
0 ms |
0 KB |
- |
