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Pointer to a function used in arithmetic

closed account (1v5E3TCk)
I am still working on my draughts game and i code a little but when try to compile the first part of the game i get that error:


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In function 'int main()':
25	30	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Warning] pointer to a function used in arithmetic [-Wpointer-arith]
25	33	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Warning] pointer to a function used in arithmetic [-Wpointer-arith]
25	35	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Error] assignment of read-only location '*(tahta + (((sizetype)i) + ((sizetype)j)))'
25	35	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Error] cannot convert 'const char [4]' to 'int(std::string (*)[8], std::string) {aka int(std::basic_string<char> (*)[8], std::basic_string<char>)}' in assignment
34	15	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Warning] pointer to a function used in arithmetic [-Wpointer-arith]
34	18	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Warning] pointer to a function used in arithmetic [-Wpointer-arith]
34	20	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Error] assignment of read-only location '*(tahta + (((sizetype)i) + ((sizetype)j)))'
34	20	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Error] cannot convert 'const char [4]' to 'int(std::string (*)[8], std::string) {aka int(std::basic_string<char> (*)[8], std::basic_string<char>)}' in assignment
46	32	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Warning] pointer to a function used in arithmetic [-Wpointer-arith]
46	37	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Warning] pointer to a function used in arithmetic [-Wpointer-arith]
46	39	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Error] assignment of read-only location '*(tahta + (((sizetype)i) + ((sizetype)j)))'
46	39	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Error] cannot convert 'const char [4]' to 'int(std::string (*)[8], std::string) {aka int(std::basic_string<char> (*)[8], std::basic_string<char>)}' in assignment
55	17	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Warning] pointer to a function used in arithmetic [-Wpointer-arith]
55	22	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Warning] pointer to a function used in arithmetic [-Wpointer-arith]
55	24	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Error] assignment of read-only location '*(tahta + (((sizetype)i) + ((sizetype)j)))'
55	24	C:\Users\-exper-\Desktop\exercises\dama.cpp	[Error] cannot convert 'const char [4]' to 'int(std::string (*)[8], std::string) {aka int(std::basic_string<char> (*)[8], std::basic_string<char>)}' in assignment



And that is my code:

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  #include <iostream>

using namespace std;

int tahta( string dama[ ][ 8 ], string oyuncu);
//int kontrol( string );

//int x;
//int y;


int main()
{
	string dama[ 8 ][ 8 ];
	
	string oyuncu1;
	string oyuncu2;
	
	for( int i=0; i<8; ++i)
	{
		if( i % 2 == 0 )
			{
				for( int j=1; j<8; j+=2)
                     {
                     	tahta[ i ][ j ]=":::";
                     }

			}
			
		if( i % 2 == 1 )
			{
				for( int j=0; j<8; j+=2)
					 {
					 	tahta[ i ][ j ]=":::";
					 }
			}
				
	}	
	
		for( int i=0; i<8; ++i)
	{
		if( i % 2 == 0 )
			{
				for( int j=0; j<8; j+=2)
                     {
                     	tahta[ i ][ j ]="   ";
                     }

			}
			
		if( i % 2 == 1 )
			{
				for( int j=1; j<8; j+=2)
					 {
					 	tahta[ i ][ j ]="   ";
					 }
			}
				
	}
	
	tahta( dama , oyuncu1 );
	//kontrol( tas , oyuncu1 );
	//hamle;
	
	//tahta( dama , oyuncu2 );
	//kontrol( tas , oyuncu2 );
	//hamle;
	
}

int tahta( string dama[ ][ 8 ] , string oyuncu )
{
	for( int i=1; i<8; ++i)
	{
			cout<<"|";	
		for( int j=1; j<8; ++j)
		{
			cout<< dama[ i ][ j ]<< "|";
		}
		cout<<endl;
	}
	cin.get();
}
Cubbi (4774)
Replace every tahta[ i ][ j ] with dama[ i ][ j ]

(and while you're at it, give tahta a return statement, you said it returns an int, but you never returned any)
closed account (1v5E3TCk)
Thanks man i have corrected everything and my new code is that:

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#include <iostream>

using namespace std;

void tahta( string dama[ ][ 8 ], string oyuncu);
int kontrol( string dama[ ][ 8 ], int oyuncu );
void hamle( string dama[ ][ 8 ]);


int x;
int y;


int main()
{
	///////////////////TAHTA////////////////////////
	
	string dama[ 8 ][ 8 ];
	
	string oyuncu1;
	string oyuncu2;
	
	for( int i=0; i<8; ++i)
	{
		if( i % 2 == 0 )
			{
				for( int j=1; j<8; j+=2)
                     {
                     	dama[ i ][ j ]=":::";
                     }
            	
				for( int j=0; j<8; j+=2)
                     {
                     	dama[ i ][ j ]="   ";
                     }
                
			}
			
		if( i % 2 == 1 )
			{
				for( int j=0; j<8; j+=2)
					 {
					 	dama[ i ][ j ]=":::";
					 }
					 
				for( int j=1; j<8; j+=2)
					 {
					 	dama[ i ][ j ]="   ";
					 }
					 
					 
			}
				
	}	
	
	///////////////////BAŞLANGIÇ////////////////////
	
	for(int j=0; j<8; j+=2)
		{
			dama[ 1 ][ j ] = ":K:";
			dama[ 2 ][ j ] = " K ";
		}
	for(int j=1; j<8; j+=2)
		{
			dama[ 1 ][ j ] = " K ";
			dama[ 2 ][ j ] = ":K:";
		}
		
	for(int j=0; j<8; j+=2)
		{
			dama[ 5 ][ j ] = ":S:";
			dama[ 6 ][ j ] = " S ";
		}
	for(int j=1; j<8; j+=2)
		{
			dama[ 5 ][ j ] = " S ";
			dama[ 6 ][ j ] = ":S:";
		}

    ////////////////HAMLELER////////////////////////
	
	while(1)
	{
	  tahta( dama , oyuncu1 );
	  if( kontrol( dama, 1 ) == 1)
	  	{
	  		break;
	  	}
	
	  cout<< "\n\nHatali giris yaptiniz.\n";
	  	
	}
	
	hamle( dama );
	
	//tahta( dama , oyuncu2 );
	//kontrol( ikinci );
	//hamle;
	
}


void tahta( string dama[ ][ 8 ] , string oyuncu )
{   
    int a=0;
    
	cout<<"   0   1   2   3   4   5   6   7   \n";
    
	for( int i=0; i<8; ++i)
	{   
			cout<< a;
			cout<<"|";	
	
	
		for( int j=0; j<8; ++j)
		{
			cout<< dama[ i ][ j ]<< "|";
		}
		cout<<endl;
		++a;
	}
    
	cout<< "Oynamak istediginiz tasin yatay numarasini girin.";
	cin>> x;
	
	cout<< "Oynamak istediginiz tasin dikey numarasini girin.";
	cin>> y;	
		
}

int kontrol( string dama[ ][ 8 ], int oyuncu)
{
	if ( oyuncu == 1 )
	{
		if ( dama[ y ][ x ] == ":S:" || dama[ y ][ x ] == " S " )
		{
			return 1;
		}
	
		else 
		{   return 0; }
	
	}

	if ( oyuncu == 2 )
	{
		if ( dama[ y ][ x ] == ":K:" || dama[ y ][ x ] == " K " )
		{
			return 1;
		}
	
		else 
		{   return 0; }
	
	}	
	
}

void hamle( string dama[ ][ 8 ])
{
	int a;
	int b;
	
	cout<< "Oynamak istediginiz yerin yatay numarasini girin.";
	cin>> a;
	
	cout<< "Oynamak istediginiz yerin dikey numarasini girin.";
	cin>> b;
	
	    if ( ( (a == x-1 || a == x+1) && b == y ) || ( b == y-1 && a == x ))
	    	{
	    		if ( dama[ b ][ a ] == "   ")
	    		{
	    			 dama[ b ][ a ] = " S ";
	    			 dama[ y ][ x ] = "   ";
	    		}
	    		
	    		if ( dama[ b ][ a ] == ":::")
	    		{
	    			 dama[ b ][ a ] = ":S:";
	    			 dama[ y ][ x ] = ":::";
	    		
				}
	    		
	    	}
}
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