Submission #996770

# Submission time Handle Problem Language Result Execution time Memory
996770 2024-06-11T07:41:57 Z lollipop Zoltan (COCI16_zoltan) C++17
21 / 140
296 ms 34648 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 ; 
//};
#define stu pair < int , int > 
#define num first
#define cnt second
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 ){
	 	long long nw = node[ v ].cnt ; 
	 	if( node[ v ].num == numb ) nw += cc ;
	 	else 
		 nw = cc ; 
		 nw %= mod ; 
		 node[ v ].cnt = nw ;
	 	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 

void update1( int v , int vl , int vr , int pos , int numb , int cc ){
	 if( vl == vr ){
	 	long long nw = node1[ v ].cnt ; 
	 	if( node1[ v ].num == numb ) nw += cc ;
	 	else 
		 nw = cc ; 
		 nw %= mod ; 
		 node1[ v ].cnt = nw ; 
	 	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[ 200005 ] ; 
int xar[ 200005 ] ;	
set < int > s ;
vector < int > v( N ); 
signed main(){
    ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL); 
    int n ; 
    cin >> 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 = M.cnt ;
		 long long xx = L.cnt ; 
		 aaa = aaa * xx ;
		 long long kk = xar[ n - mx ] ; 
		 aaa %= mod ; aaa = aaa * kk ;
		 aaa = aaa + ans[ mxx ] ; 
		 aaa %= mod ; 
		 ans[ mxx ] = aaa ; 
 
	}
	long long aaa = ans[ mx ] ;
	
	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 ++ )
      | 
zoltan.cpp: In function 'void update(long long int, long long int, long long int, long long int, long long int, long long int)':
zoltan.cpp:41:4: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   41 |    else
      |    ^~~~
zoltan.cpp:43:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   43 |    nw %= mod ;
      |    ^~
zoltan.cpp: In function 'void update1(long long int, long long int, long long int, long long int, long long int, long long int)':
zoltan.cpp:69:4: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   69 |    else
      |    ^~~~
zoltan.cpp:71:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   71 |    nw %= mod ;
      |    ^~
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1880 KB Output isn't correct
2 Incorrect 1 ms 1884 KB Output isn't correct
3 Incorrect 1 ms 1884 KB Output isn't correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Incorrect 1 ms 2140 KB Output isn't correct
8 Incorrect 1 ms 2140 KB Output isn't correct
9 Incorrect 2 ms 2140 KB Output isn't correct
10 Incorrect 2 ms 2136 KB Output isn't correct
11 Incorrect 178 ms 31076 KB Output isn't correct
12 Incorrect 180 ms 29720 KB Output isn't correct
13 Incorrect 138 ms 20984 KB Output isn't correct
14 Incorrect 201 ms 30548 KB Output isn't correct
15 Runtime error 275 ms 32852 KB Memory limit exceeded
16 Runtime error 296 ms 34648 KB Memory limit exceeded
17 Runtime error 205 ms 33416 KB Memory limit exceeded
18 Runtime error 217 ms 33360 KB Memory limit exceeded
19 Runtime error 185 ms 33360 KB Memory limit exceeded
20 Runtime error 191 ms 33360 KB Memory limit exceeded