#include<bits/stdc++.h>
using namespace std ;
#define maxn 200009
#define ll long long
#define pb push_back
#define fi first
#define se second
#define left id<<1
#define right id<<1|1
#define re exit(0);
#define _lower(x) lower_bound(v.begin(),v.end(),x)-v.begin()+1
const int mod = 1e9+7 ;
const int INF = 1e9 ;
typedef vector<int> vi ;
typedef pair<int,int> pii ;
typedef vector<pii> vii ;
template < typename T > void chkmin ( T &a , T b ) { if ( a > b ) a = b ; }
template < typename T > void chkmax ( T &a , T b ) { if ( a < b ) a = b ; }
void add ( int &a , int b )
{
a += b ;
if ( a >= mod ) a -= mod ;
if ( a < 0 ) a += mod ;
}
void rf ()
{
freopen ("bai1.inp","r",stdin) ;
}
int _pow ( int a , int n )
{
if ( n == 0 ) return 1 ;
int res = _pow (a,n/2) ;
if ( n % 2 ) return 1ll*res*res%mod*a%mod ;
else return 1ll*res*res%mod ;
}
int n , m ;
int Query ( vi v )
{
// for ( auto x : v ) cerr << x << " " ; cerr << endl ;
// int x ; cin >> x ; return x ;
}
void Answer ( vi v )
{
// for ( auto x : v ) cerr << x << " " ; cerr << endl ;
}
mt19937 rng(time(0)) ;
void Calc ( vi v )
{
if ( v.size () == n )
{
Answer (v) ;
return ;
}
shuffle (v.begin(),v.end(),rng) ;
int l = 0 , r = v.size() - 1 , pos ;
while ( l <= r )
{
int mid = (l+r)/2 ;
if ( Query(vi(v.begin(),v.begin()+mid+1)) >= 1 ) pos = mid , r = mid-1 ;
else l = mid+1 ;
}
vi check = vi (v.begin(),v.begin()+pos+1) ;
vi remain = vi (v.begin()+pos+1,v.end()) ;
while (check.size() > n)
{
for ( auto x : check )
{
vi _check ;
for ( auto y : check )
{
if ( x != y ) _check . pb (y) ;
}
if ( Query (_check) == 1 )
{
remain . pb (x) ;
check = _check ;
break ;
}
}
}
Answer (check) ;
Calc (remain) ;
}
void Solve ( int N , int M )
{
n = N , m = M ;
vi v ;
for ( int i = 1 ; i <= n*m ; i ++ ) v . pb (i) ;
Calc (v) ;
}
//int main ()
//{
// ios_base::sync_with_stdio(0);
// cin.tie(0);cout.tie(0);
//// rf () ;
// Solve (3,2) ;
//}
Compilation message
dango3.cpp: In function 'int Query(vi)':
dango3.cpp:47:1: warning: no return statement in function returning non-void [-Wreturn-type]
47 | }
| ^
dango3.cpp: In function 'void Calc(vi)':
dango3.cpp:56:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
56 | if ( v.size () == n )
| ~~~~~~~~~~^~~~
dango3.cpp:71:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
71 | while (check.size() > n)
| ~~~~~~~~~~~~~^~~
dango3.cpp: In function 'void rf()':
dango3.cpp:31:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
31 | freopen ("bai1.inp","r",stdin) ;
| ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
428 KB |
Wrong Answer [8] |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
8 ms |
4440 KB |
Wrong Answer [8] |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
188 ms |
99124 KB |
Wrong Answer [8] |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
779 ms |
393640 KB |
Wrong Answer [8] |
| 2 |
Halted |
0 ms |
0 KB |
- |
