Submission #996766

# Submission time Handle Problem Language Result Execution time Memory
996766 2024-06-11T07:36:04 Z lollipop Zoltan (COCI16_zoltan) C++17
21 / 140
286 ms 25680 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 ) ; 
	long long bb ; 
	if( a.num == c.num ) bb += a.cnt ;
	if( b.num == c.num ) bb += b.cnt ;
	bb %= mod ;  
	c.cnt %= bb ; 
	return c ; 
}

void update( int v , int vl , int vr , int pos , int numb , int cc ){
	 if( vl == vr ){
	 	arr[ pos ] = numb ;
	 	if( node[ v ].num == numb ) node[ v ].cnt += cc ;
	 	else 
		 node[ v ].cnt = cc ; 
		 node[ v ].cnt %= mod ;
	 	node[ v ].num = numb ;
	 	return ; 
	 }
	 int vm = ( vl + vr ) / 2 ;
	 if( vm < pos ) update( v + v + 1 , vm + 1 , vr , pos , numb , cc ) ;
	 else update( v + v , vl , vm , pos , numb , cc ) ;
	 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 , int cc ){
	 if( vl == vr ){
	 	arr1[ pos ] = numb ;
	 	if( node1[ v ].num == numb ) node1[ v ].cnt += cc ;
	 	else 
		 node1[ v ].cnt = cc ; 
		 node1[ v ].cnt %= mod ; 
	 	node1[ v ].num = numb ;
	 	return ; 
	 }
	 int vm = ( vl + vr ) / 2 ;
	 if( vm < pos ) update1( v + v + 1 , vm + 1 , vr , pos , numb , cc) ;
	 else update1( v + v , vl , vm , pos , numb , cc ) ;
	 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 ) ; 
		 if( M.cnt == 0 ) M.cnt = 1 ;
		 if( L.cnt == 0 ) L.cnt = 1 ;
		 update( 1 , 1 , st , x , M.num + 1 , M.cnt ) ; 
		 update1( 1 , 1 , st , x , L.num + 1 , L.cnt ) ; 
		 		 
		 
		 long long aaa = ( max( 1 , M.cnt ) ) ;
		 aaa = aaa * max( 1 , L.cnt ) ;
		 aaa %= mod ; aaa = aaa * xar[ max( 0 , n - ( mx ) ) ] ;
		 aaa = aaa + ans[ mxx ] ; 
		 aaa %= mod ; 
		 ans[ mxx ] = aaa ; 
 
	}
	long long int aaa = ans[ mx ] ;
	aaa = aaa * xar[ n - mx ] ;
	aaa %= mod ;
	
	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 'void update(int, int, int, int, int, int)':
zoltan.cpp:42:4: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   42 |    else
      |    ^~~~
zoltan.cpp:44:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   44 |    node[ v ].cnt %= mod ;
      |    ^~~~
zoltan.cpp: In function 'void update1(int, int, int, int, int, int)':
zoltan.cpp:70:4: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   70 |    else
      |    ^~~~
zoltan.cpp:72:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   72 |    node1[ v ].cnt %= mod ;
      |    ^~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4696 KB Output isn't correct
2 Incorrect 1 ms 4444 KB Output isn't correct
3 Incorrect 0 ms 4444 KB Output isn't correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Incorrect 1 ms 4644 KB Output isn't correct
8 Incorrect 2 ms 4444 KB Output isn't correct
9 Incorrect 1 ms 4444 KB Output isn't correct
10 Incorrect 2 ms 4444 KB Output isn't correct
11 Incorrect 173 ms 23252 KB Output isn't correct
12 Incorrect 147 ms 22060 KB Output isn't correct
13 Incorrect 138 ms 17444 KB Output isn't correct
14 Incorrect 180 ms 22096 KB Output isn't correct
15 Incorrect 219 ms 24096 KB Output isn't correct
16 Incorrect 286 ms 25680 KB Output isn't correct
17 Incorrect 171 ms 25012 KB Output isn't correct
18 Incorrect 209 ms 24912 KB Output isn't correct
19 Incorrect 190 ms 24972 KB Output isn't correct
20 Incorrect 174 ms 24916 KB Output isn't correct