Sonar3d/sonar3d.cpp

#include <iostream>
#include <stdlib.h>

using namespace std ;

void printArray(int *array, int size){
	for(int i = 0; i < size; i++){
		cout << array[i] << " " ;
	}

}

bool is3DSonar1D(int *array, int *hash, int iter_id, int p, int n){
	int *hash = NULL ;
	int p2 = p*p ;
	int dif ;
	for (int h1 = 0; h1 < p; h1++){
		for(int h2 = 0; h2 < p; h2++){
			if(h1 == 0 && h2 == 0)
				continue ;
			//printArray(hash, p2) ;cout << endl ;
			for(int i = 0; i < p; i++){
				if(p*i > n-1) 
					break ;
				for(int j = 0; j < p; j++){
					if(i == 0 && j == 0)
						continue ;
					if((i+h1) % p == 0 && (j+h2) % p == 0)
						continue ;
					if(p*i+j > n-1)
						break;
					if( p * ((i + h1) % p) + ((j+h2) % p) > n - 1)
						continue ;
					dif = (array[ p *((i + h1) % p) + ((j+h2) % p)] - array[p*i+j]);
					//cout <<i<< j<< h1 << h2 << "dif" <<dif<<endl ;
					if(dif < 0)
						dif = p2 + dif;
					else
						dif = dif % p2;
					if (hash[dif] ==1){
					//	printArray(hash, p2) ;cout << endl ;
						return false ;
					}
					else	
						hash[dif]=1 ;
				}
			}
		}
	}
	return true ;
}

int main(int argc, char **argv){

	int start, end, p, n ;
	p = 3 ;
	int counter = 0 ;
	bool sonar = false ;
	start = 3;
	end = 3;
	n = p*p ;
	int *array = new int[n];
	int *hash = (int *) calloc(p2, sizeof(int)) ;

	for(int i = 0; i < n; i++)
		array[i] = -1 ;
	
	array[1] = 0;
	array[2] = atoi(argv[1]) ;	
	while(end >= start){
		counter++ ;	
		sonar = false ;
		if(array[end] + 1 > n-1){
			array[end] = -1;
			end-- ;
			continue ;
		}
		array[end]++;
		if(counter % 2000 == 0){ 
			cout << "Check Point: " ; printArray(array, end+1);  cout << endl;
			counter = 0;
		}
		if (is3DSonar1D(array, p, end+1)){
			//cout <<"Costas";printArray(array, end+1) ; cout <<endl ;
			sonar = true ;
			if(end+1 == n){
				cout <<"Sonar:";printArray(array, end+1);cout << endl;
			}
		}	
		if(sonar && end < (n-1)){
			end++ ;
		}

	}

return 0 ;
}