#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
#define int long long
#define pb push_back
#define s second
#define f first
#define pf push_front
#define inf 100000000000000000
#define bitebi __builtin_popcountll
#define FOR( i , n ) for( int i = 0 ; i < n ; i ++ )
#define YES cout <<"YES\n"
#define NO cout << "NO\n"
#define debug cout << "Here Fine" << endl ;
#define pr pair < int , int >
#define fbo find_by_order // returns iterator
#define ook order_of_key // returns strictly less numbers than key
using namespace std ;
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,fma")
using namespace __gnu_pbds;
using namespace __gnu_cxx;
template<class T> using ordered_set =tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update> ;
const double Pi=acos(-1.0);
const double EPS=1E-8;
const int mod = 1000000007 ;
const int mod1 = 998244353 ;
const int N = 3e5 + 10 ;
mt19937 R(time(0));
map < int , int > ma , ma1 ;
int n , t , T ;
double p ;
string s = "" , ans = "" ;
vector < int > v ;
char ask( int l , int r ){
for( int i = l ; i <= r ; i ++ ) s[ v[ i ] ] = '1' ;
cout << "Q " << s << endl ;
char c ; cin >> c ;
for( int i = l ; i <= r ; i ++ ) s[ v[ i ] ] = '0' ;
return c ;
}
void go( int l , int r ){
int mid = ( l + r ) / 2 ;
char c = ask( l , mid ) ;
if( c == 'N' ){
go( mid + 1 , r ) ;
return ;
}
if( l == r ){
ans[ l ] = '1' ; return ;
}
go( l , mid ) ;
return ;
}
void gg( int l , int r ){
for( int i = l ; i <= r ; i ++ ) s[ i ] = '1' ;
cout << "Q " << s << endl ;
char c ; cin >> c ;
for( int i = l ; i <= r ; i ++ ) s[ i ] = '0' ;
if( c == 'N' ) return ;
if( l == r ){
ans[ l ] = '1' ; return ;
}
int mid = ( l + r ) / 2 ;
gg( l , mid ) ;
gg( mid + 1 , r ) ;
}
int len ;
void solve(){
FOR( i , n ) s[ i ] = ans[ i ] = '0' ;
if( T == 1 ){
FOR( i , n ){
s[ i ] = '1' ;
cout << "Q " << s << endl ;
s[ i ] = '0' ;
char c ; cin >> c ;
if( c == 'P' ) ans[ i ] = '1' ;
}
cout << "A " << ans << endl ;
char c ; cin >> c ;
if( c == 'W' ) return ;
return ;
}
// else go binary search?
int L = 0 , R = n - 1 ;
v.clear() ;
FOR( i , n ) v.pb( i ) ;
std::random_device r;
std::seed_seq seed{r(), r(), r(), r(), r(), r(), r(), r()};
std::mt19937 eng(seed);
std::shuffle(v.begin(), v.end() , eng);
while( true ){
if( L > R ) break ;
int l = L , r = L + len ;
r = min( n - 1 , r ) ;
// gg( l , r ) ;
while( true ){
if( ask( l , r ) == 'N' ) break ;
go( l , r ) ;
for( int i = l ; i <= r ; i ++ ) if( ans[ i ] == '1' ) l = i + 1 ;
if( l > r ) break ;
}
L = r + 1 ;
}
string nns = ans ;
FOR( i , n ) nns[ i ] = '0' ;
FOR( i , n ) if( ans[ i ] == '1' ) nns[ v[ i ] ] = '1' ;
cout << "A " << nns << endl ;
char c ; cin >> c ;
return ;
// gg( 0 , n - 1 ) ;
// cout << "A " << ans << endl ;
// char c ; cin >> c ;
}
signed main() {
srand(time(0)) ;
ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
cin >> n >> p >> t ;
T = t ;
FOR( i , n ) s += '0' , ans += '0' ;
pair < int , int > mn = { INT_MAX , n } ;
int nmb = ( n * p ) + 1 ;
for( int i = 1 ; i <= n ; i ++ ){
// if( i * p < 1 ) continue ;
int cc = 0 , ii = i ;
while( ii > 0 ){
cc ++ ; ii /= 2 ;
}
if( ( cc * nmb + ( ( n + i - 1 ) / i ) ) < mn.f ){
mn.f = cc * nmb + ( ( n + i - 1 ) / i ) ;
mn.s = i ;
}
}
len = mn.s ;
// cout << mn.f << endl ;
while( t -- ){
solve() ;
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
344 KB |
Output is correct |
| 2 |
Correct |
5 ms |
344 KB |
Output is correct |
| 3 |
Correct |
4 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
344 KB |
Output is correct |
| 6 |
Correct |
5 ms |
344 KB |
Output is correct |
| 7 |
Correct |
5 ms |
344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
344 KB |
Output is correct |
| 10 |
Correct |
5 ms |
344 KB |
Output is correct |
| 11 |
Correct |
6 ms |
344 KB |
Output is correct |
| 12 |
Correct |
4 ms |
344 KB |
Output is correct |
| 13 |
Correct |
4 ms |
344 KB |
Output is correct |
| 14 |
Correct |
4 ms |
344 KB |
Output is correct |
| 15 |
Correct |
6 ms |
344 KB |
Output is correct |
| 16 |
Correct |
4 ms |
344 KB |
Output is correct |
| 17 |
Correct |
4 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
27 ms |
344 KB |
Output is correct (P=0.001, F=15.1, Q=13.0) -> 90.00 points |
| 2 |
Correct |
107 ms |
344 KB |
Output is correct (P=0.005256, F=51.1, Q=52.6) -> 80.54 points |
| 3 |
Correct |
216 ms |
344 KB |
Output is correct (P=0.011546, F=94.9, Q=104.4) -> 64.27 points |
| 4 |
Correct |
423 ms |
344 KB |
Output is correct (P=0.028545, F=191.5, Q=222.8) -> 54.42 points |
| 5 |
Correct |
595 ms |
344 KB |
Output is correct (P=0.039856, F=246.3, Q=292.9) -> 51.23 points |
| 6 |
Correct |
909 ms |
344 KB |
Output is correct (P=0.068648, F=366.2, Q=452.2) -> 46.41 points |
| 7 |
Correct |
1192 ms |
344 KB |
Output is correct (P=0.104571, F=490.3, Q=611.4) -> 45.27 points |
| 8 |
Correct |
1610 ms |
344 KB |
Output is correct (P=0.158765, F=639.1, Q=842.5) -> 39.59 points |
| 9 |
Correct |
1861 ms |
344 KB |
Output is correct (P=0.2, F=731.4, Q=957.5) -> 40.24 points |
