Parker square backtracking

// Example program
#include <iostream>
#include <cmath>
#include <ctime>
#define SIZE 3


int parker[SIZE][SIZE];
int sumsY[SIZE];

int sumsX[SIZE];

int sumsDiag[2];

void fillSquare()
{
    for (int i = 0; i < SIZE; i++)
        for (int j = 0; j < SIZE; j++)
        {
            parker[i][j] = rand()%64;
        }
}

void squareAll()
{
    for (int i = 0; i < SIZE; i++)
        for (int j = 0; j < SIZE; j++)
        {
            parker[i][j] = pow(parker[i][j], 2);
        }
}

void printSquare()
{
    for (int i = 0; i < SIZE; i++)
    {
        for (int j = 0; j < SIZE; j++)
        {
            std::cout << parker[i][j] << " "; 
        }
        std::cout << std::endl << std::endl;
    }    
}

void sumParker()
{
    for (int i = 0; i < SIZE; i++)
    {
        
        for (int j = 0; j < SIZE; j++)
        {
            sumsY[i] += parker[i][j];
            
            sumsX[j] += parker[i][j];
        }
    }
    
    for (int i = 0; i < SIZE; i++)
    {
        sumsDiag[0] += parker[i][i];
        sumsDiag[1] += parker[i][(SIZE-1)-i];
    }
    
}

void printSums()
{
    for (int i = 0; i < SIZE; i++)
        std::cout << sumsY[i] << std::endl;
        
    
    std::cout << std::endl;
    
    for (int i = 0; i < SIZE; i++)
        std::cout << sumsX[i] << std::endl;
        
    std::cout << std::endl;
    std::cout << sumsDiag[0] <<std::endl << std::endl;
    
    
    std::cout << sumsDiag[1] <<std::endl;
    
}

bool checkSums()
{
    int lastNumber = 0;
    
    
    for (int i = 0; i < SIZE; i++)
    {
        if (lastNumber == sumsY[i])
            lastNumber = sumsY[i];
        else
            return false;
    }   
    
    
    for (int i = 0; i < SIZE; i++)
    {
        if (lastNumber == sumsX[i])
            lastNumber = sumsX[i];
        else
            return false;
    }   
    
    if (lastNumber == sumsDiag[0])
        lastNumber = sumsDiag[0];
    else
        return false;  
    
    
    if (lastNumber == sumsDiag[1])
        lastNumber = sumsDiag[1];
    else
        return false;  
    
    
    return true;
}



int main()
{
    srand(time(0));

    fillSquare();
    squareAll();
    sumParker();
    
    while(!checkSums())
    {
        fillSquare();
        squareAll();
        sumParker();
    }
    printSquare();
    printSums();
    
}