#include <iostream> 
 #include <vector> 
 #include <iterator> 
  
 int main()  
 { 
 	std::vector<std::vector<int>> v = 
 	{ 
 		{ 54 , 78 , 89 , 25 , 45 },  
 		{ 12 , 45 , 45 , 45 , 45 },  
 		{ 54 , 78 , 89 , 25 , 45 },  
 		{ 12 , 45 , 45 , 45 , 45 },  
 		{ 54 , 78 , 89 , 25 , 45 }, 
 		{ 12 , 45 , 45 , 45 , 45 } 
 	}; 
 	 
 	for ( const std::vector<int> &v1 : v ) 
 	{ 
 		for ( int x : v1 ) std::cout << x << ' '; 
 		std::cout << std::endl; 
 	} 
 	std::cout << std::endl; 
 	 
 	size_t a[] = { 7, 8, 9, 12, 17, 19, 22, 23, 24 }; 
 	 
 	std::vector<std::vector<int>> v2; 
 	size_t *p = a; 
 	std::vector<int>::size_type n = 1; 
 	 
 	for ( const std::vector<int> &v1 : v ) 
 	{ 
 		std::vector<int> tmp; 
 		std::vector<int>::size_type i = 0; 
 		for ( ; i < v1.size(); i++ ) 
 		{ 
 			if ( ( p != std::end( a ) ) && ( i + n == *p ) ) 
 			{ 
 				tmp.push_back( v1 ); 
 				++p; 
 			} 
 		} 
  
 		n += i; 
 		if ( !tmp.empty() ) v2.push_back( tmp ); 
 	} 
 	 
 	for ( const std::vector<int> &v1 : v2 ) 
 	{ 
 		for ( int x : v1 ) std::cout << x << ' '; 
 		std::cout << std::endl; 
 	} 
 	std::cout << std::endl; 
  
 	return 0; 
 } 
 

 
 54 78 89 25 45  
 12 45 45 45 45  
 54 78 89 25 45  
 12 45 45 45 45  
 54 78 89 25 45  
 12 45 45 45 45  
  
 45 45 45  
 78  
 45 45  
 78 89 25