Submission #577280

# Submission time Handle Problem Language Result Execution time Memory
577280 2022-06-14T12:06:31 Z lollipop Zoltan (COCI16_zoltan) C++17
7 / 140
428 ms 35928 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 ] ] ; 
	build1( 1 , 1 , st ) ;
	build( 1 , 1 , st ) ;
	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 ) ; 
		 if( M.num == 0 && L.num == 0 ) ans[ mxx ] += 2 ;
		 else
		 ans[ mxx ] = ans[ mxx ] + M.cnt * L.cnt % mod ; 
		 ans[ mxx ] %= mod ; 
		 update( 1 , 1 , st , x , M.num + 1 ) ; 
		 update1( 1 , 1 , st , x , L.num + 1 ) ;  
	}
	cout << mx << " " << max(  1LL , 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 1 ms 340 KB Output isn't correct
3 Incorrect 1 ms 340 KB Output isn't correct
4 Incorrect 1 ms 340 KB Output isn't correct
5 Correct 0 ms 340 KB Output is correct
6 Incorrect 0 ms 340 KB Output isn't correct
7 Incorrect 1 ms 460 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 239 ms 31860 KB Output isn't correct
12 Incorrect 200 ms 30044 KB Output isn't correct
13 Incorrect 161 ms 20940 KB Output isn't correct
14 Incorrect 312 ms 30280 KB Output isn't correct
15 Runtime error 393 ms 33476 KB Memory limit exceeded
16 Runtime error 428 ms 35928 KB Memory limit exceeded
17 Runtime error 347 ms 33700 KB Memory limit exceeded
18 Runtime error 267 ms 33832 KB Memory limit exceeded
19 Runtime error 301 ms 33824 KB Memory limit exceeded
20 Runtime error 268 ms 33740 KB Memory limit exceeded