problems with arrays and loops

mafram1201 (4)
ok so im writing a soduku puzzle validator to make sure the puzzle is correct. where the numbers 1-9 can only appear once on every line. i got that part of the code working except i need help outputing a line that would look like this

cout<<"duplicate"<<number<<"on row:"<<row<<" columns: "<<columns its repeated on


here is my code so far if anyone can help i would appreciate it Thank you in advance.

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#include <iostream>
#include <cstdlib>
#include <fstream>
#include <iomanip>
using namespace std;

void readAPuzzle(int grid[] [9]);
void printGrid(int grid[] [9]);
void ValidPuzzle(int grid[] [9]);

int main()
{
	int grid[9][9];

	readAPuzzle(grid);
	printGrid(grid);
	ValidPuzzle(grid);
	system("pause");
	return 0;
}


void readAPuzzle(int grid[] [9])
{
	ifstream in_f;	
	in_f.open("soduku.txt");
	
	for (int r = 0; r < 9; r++)
	for (int c = 0; c < 9; c++)
	in_f >> grid[r] [c];
}



//Prints out the puzzle read from file (keep)
void printGrid(int grid[] [9])
{

cout<<"Your Puzzle Is Listed Below: "<<endl;
for (int r = 0; r < 9; r++)
{

	if ((r)%3 == 0)
	cout<<endl<<endl;
	for (int c = 0; c < 9; c++)
{

	cout << (grid[r] [c]) << " ";
	if ((c+1)%3 == 0)
	cout<<"   ";
	}
	cout<<endl;
	}
	cout<<endl;
}


//Check Validity Of Puzzle
void ValidPuzzle(int grid[] [9])
{
	int sum = 0;
	int nototest = 0;
	int count = 0;
	int no_to_test;


// check columns
for(int c=0;c<9;c++)
for(int r=0;r<9;r++)
{
no_to_test = r+1;
count=0;

for(int r=0;r<9;r++)
{
	if(grid[r][c]==no_to_test)
	count++;
}
if(count>1)
{
	cout <<"The Number: "<<no_to_test<< " is duplicated on column: " << c+1;
	cout<<endl;
}
}

	


// check rows
cout<<endl;
for(int r=0;r<9;r++)
for(int c=0;c<9;c++)
{
no_to_test = c+1;
count=0;
for(int c=0;c<9;c++)
{
if(grid[r][c]==no_to_test)
count++;
}
if(count>1)
{
	cout<<"The Number: "<<no_to_test<< " is duplicated on row: " << r+1;
	cout<<endl;
}
}
	cout<<endl;
}


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