Submission #577281

# Submission time Handle Problem Language Result Execution time Memory
577281 2022-06-14T12:14:03 Z lollipop Zoltan (COCI16_zoltan) C++17
7 / 140
384 ms 35532 KB
#include<bits/stdc++.h>
#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 FOR( j , n ) for( int j = 0 ; j < n ; j ++ )
#define FOR( k , n ) for( int k = 0 ; k < n ; k ++ )
using namespace std ;
const int mod =  1000000007 ;
const int mod1 = 998244353 ; 
const int N = 2e5 + 10 ; 
map < int , int > ma , ma1 ; 
struct stu{
	int num ;
	int cnt ; 
};
int arr[ 200005 ] ;
stu node[ 4 * N ] ;
stu merge( stu a , stu b ){
	stu c ; 
	c.num = max( a.num , b.num ) ; 
	if( a.cnt == c.cnt ) c.cnt += a.cnt ;
	if( b.cnt == c.cnt ) c.cnt += b.cnt ; 
	return c ; 
}
void build( int v , int vl , int vr ){
	 if( vl == vr ){
	 	node[ v ].num = arr[ vl ] ;
	 	node[ v ].cnt = 1 ;
	 	return ;
	 }
	 int vm = ( vl + vr ) / 2 ;
	 build( v + v , vl , vm ) ;
	 build( v + v + 1 , vm + 1 , vr ) ; 
	 node[ v ] = merge( node[ v + v ] , node[ v + v + 1 ] ) ; 
}
void update( int v , int vl , int vr , int pos , int numb ){
	 if( vl == vr ){
	 	arr[ pos ] = numb ;
	 	node[ v ].num = numb ;
	 	node[ v ].cnt = 1 ;
	 	return ; 
	 }
	 int vm = ( vl + vr ) / 2 ;
	 if( vm < pos ) update( v + v + 1 , vm + 1 , vr , pos , numb ) ;
	 else update( v + v , vl , vm , pos , numb ) ;
	 node[ v ] = merge( node[ v + v ] , node[ v + v + 1 ] ) ;
}
stu get( int v , int vl , int vr , int l , int r ){
	if( l > r ) return { 0 , 0 } ; 
	if( vl == l && vr == r  ){
		return node[ v ] ;
	}
	int vm = ( vl + vr ) / 2 ; 
	return merge( get( v + v , vl , vm , l , min( r , vm ) ) 
    , get( v + v + 1 , vm + 1 , vr , max( l , vm + 1 ) , r ) ) ; 
}
stu node1[ 4 * N ] ; 
// second seg tree 
int arr1[ 200005 ] ;
void build1( int v , int vl , int vr ){
	 if( vl == vr ){
	 	node1[ v ].num = arr1[ vl ] ;
	 	node1[ v ].cnt = 1 ;
	 	return ;
	 }
	 int vm = ( vl + vr ) / 2 ;
	 build1( v + v , vl , vm ) ;
	 build1( v + v + 1 , vm + 1 , vr ) ; 
	 node1[ v ] = merge( node1[ v + v ] , node1[ v + v + 1 ] ) ; 
}
void update1( int v , int vl , int vr , int pos , int numb ){
	 if( vl == vr ){
	 	arr1[ pos ] = numb ;
	 	node1[ v ].num = numb ;
	 	node1[ v ].cnt = 1 ;
	 	return ; 
	 }
	 int vm = ( vl + vr ) / 2 ;
	 if( vm < pos ) update1( v + v + 1 , vm + 1 , vr , pos , numb ) ;
	 else update1( v + v , vl , vm , pos , numb ) ;
	 node1[ v ] = merge( node1[ v + v ] , node1[ v + v + 1 ] ) ;
}
stu get1( int v , int vl , int vr , int l , int r ){
	if( l > r ) return { 0 , 0 } ; 
	if( vl == l && vr == r  ){
		return node1[ v ] ;
	}
	int vm = ( vl + vr ) / 2 ; 
	return merge( get1( v + v , vl , vm , l , min( r , vm ) ) 
    , get1( v + v + 1 , vm + 1 , vr , max( l , vm + 1 ) , r ) ) ; 
}
int ans[ 200005 ] ; 
signed main(){
    ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL); 
    int n ; 
    cin >> n ; 
	set < int > s ;
	vector < int > v( n ); 
	int st = 1 ;
	FOR( i , n ){
		cin >> v[ i ] ;
		s.insert( v[ i ] ) ; 
	}
	while( s.size() > 0 ){
		int x = *s.begin() ; 
		ma[ x ] = st ; 
		st ++ ; 
		s.erase( s.begin() ) ; 
	}
	st -- ; 
	int mx = 0 ; 
	FOR( i , n ) v[ i ] = ma[ v[ i ] ] ;
	for( int j = n - 1 ; j >= 0 ; j -- ){
		 int x = v[ j ] ; 
		 stu M , L ; 
		 M = get( 1 , 1 , st , x + 1 , st ) ; 
		 L = get1( 1 , 1 , st , 1 , x - 1 ) ;
		 int mxx = M.num + L.num + 1 ; 
		 mx = max( mx , mxx ) ; 
		 ans[ mxx ] = ans[ mxx ] +max( 1LL , M.cnt ) * max( 1LL , L.cnt ) % mod ; 
		 ans[ mxx ] %= mod ; 
		 update( 1 , 1 , st , x , M.num + 1 ) ; 
		 update1( 1 , 1 , st , x , L.num + 1 ) ;  
	}
	if( mx == 1 ){
		int ans = 1 ; 
		FOR( i , n ) ans = ( ans * 2 ) % mod ; 
		cout << mx << " " << ans ; 
	}
	else 
	cout << mx << " " << ans[ mx ] ;
}

Compilation message

zoltan.cpp:10: warning: "FOR" redefined
   10 | #define FOR( j , n ) for( int j = 0 ; j < n ; j ++ )
      | 
zoltan.cpp:9: note: this is the location of the previous definition
    9 | #define FOR( i , n ) for( int i = 0 ; i < n ; i ++ )
      | 
zoltan.cpp:11: warning: "FOR" redefined
   11 | #define FOR( k , n ) for( int k = 0 ; k < n ; k ++ )
      | 
zoltan.cpp:10: note: this is the location of the previous definition
   10 | #define FOR( j , n ) for( int j = 0 ; j < n ; j ++ )
      | 
zoltan.cpp: In function 'stu merge(stu, stu)':
zoltan.cpp:26:17: warning: 'c.stu::cnt' is used uninitialized in this function [-Wuninitialized]
   26 |  if( a.cnt == c.cnt ) c.cnt += a.cnt ;
      |               ~~^~~
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Incorrect 0 ms 340 KB Output isn't correct
3 Incorrect 0 ms 340 KB Output isn't correct
4 Incorrect 0 ms 340 KB Output isn't correct
5 Correct 0 ms 352 KB Output is correct
6 Incorrect 0 ms 340 KB Output isn't correct
7 Incorrect 1 ms 468 KB Output isn't correct
8 Incorrect 1 ms 468 KB Output isn't correct
9 Incorrect 1 ms 468 KB Output isn't correct
10 Incorrect 1 ms 468 KB Output isn't correct
11 Incorrect 211 ms 31540 KB Output isn't correct
12 Incorrect 181 ms 29692 KB Output isn't correct
13 Incorrect 181 ms 20740 KB Output isn't correct
14 Incorrect 248 ms 29780 KB Output isn't correct
15 Runtime error 339 ms 33192 KB Memory limit exceeded
16 Runtime error 384 ms 35532 KB Memory limit exceeded
17 Runtime error 274 ms 33340 KB Memory limit exceeded
18 Runtime error 249 ms 33340 KB Memory limit exceeded
19 Runtime error 255 ms 33392 KB Memory limit exceeded
20 Runtime error 260 ms 33332 KB Memory limit exceeded