Submission #996754

# Submission time Handle Problem Language Result Execution time Memory
996754 2024-06-11T06:52:48 Z lollipop Zoltan (COCI16_zoltan) C++17
21 / 140
329 ms 27216 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 = 4e5 + 10 ; 
map < int , int > ma , ma1 ; 
//struct stu{
//	int num ;
//	int cnt ; 
//};
#define stu pair < int , int > 
#define num first
#define cnt second
int arr[ 400005 ] ;
stu node[ 4 * N ] ;
stu merge( stu a , stu b ){
	stu c ; 
	c.cnt = 0 ;
	c.num = max( a.num , b.num ) ; 
	if( a.num == c.num ) c.cnt += a.cnt ;
	if( b.num == c.num ) c.cnt += b.cnt ; 
	c.cnt %= mod ; 
	return c ; 
}

void update( int v , int vl , int vr , int pos , int numb ){
	 if( vl == vr ){
	 	arr[ pos ] = numb ;
//	 	if( node[ v ].num == numb ) node[ v ].cnt ++ ;
//	 	else 
		 node[ v ].cnt = 1 ; 
	 	node[ v ].num = numb ;
	 	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[ 400005 ] ;

void update1( int v , int vl , int vr , int pos , int numb ){
	 if( vl == vr ){
	 	arr1[ pos ] = numb ;
//	 	if( node1[ v ].num == numb ) node1[ v ].cnt ++ ;
//	 	else 
		 node1[ v ].cnt = 1 ; 
	 	node1[ v ].num = numb ;
	 	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[ 500005 ] ; 
int xar[ 500005 ] ;
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 ; 
	xar[ 0 ] = 1 ;
	for( int j = 1 ; j <= n ; j ++ ) xar[ j ] = xar[ j - 1 ] * 2LL % mod ; 
	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 ) ; 
		 long long aaa = ( max( 1 , M.cnt ) ) ;
		 aaa = aaa * max( 1 , L.cnt ) ;
		 aaa %= mod ; 
		 ans[ mxx ] = ans[ mxx ] + aaa ; 
		 ans[ mxx ] %= mod ; 
		 update( 1 , 1 , st , x , M.num + 1 ) ; 
		 update1( 1 , 1 , st , x , L.num + 1 ) ;  
	}
	long long int aaa = ans[ mx ] ;
	aaa = aaa * xar[ n - mx ] ;
	aaa %= mod ;
	
	cout << mx << " " << aaa;
}

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 ++ )
      |
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4444 KB Output isn't correct
2 Incorrect 1 ms 4444 KB Output isn't correct
3 Incorrect 1 ms 4444 KB Output isn't correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Incorrect 1 ms 4588 KB Output isn't correct
8 Incorrect 1 ms 4444 KB Output isn't correct
9 Incorrect 1 ms 4444 KB Output isn't correct
10 Incorrect 1 ms 4680 KB Output isn't correct
11 Incorrect 215 ms 24388 KB Output isn't correct
12 Incorrect 165 ms 22868 KB Output isn't correct
13 Incorrect 170 ms 18516 KB Output isn't correct
14 Incorrect 199 ms 23084 KB Output isn't correct
15 Incorrect 269 ms 24912 KB Output isn't correct
16 Incorrect 329 ms 27216 KB Output isn't correct
17 Incorrect 197 ms 25480 KB Output isn't correct
18 Incorrect 211 ms 25472 KB Output isn't correct
19 Incorrect 198 ms 25680 KB Output isn't correct
20 Incorrect 215 ms 25684 KB Output isn't correct