Adding intersection between two integer arrays in C/C++

Intersection of two Integer arrays/intersection.cpp

@@ -0,0 +1,60 @@
+// LANGUAGE: C++
+// AUTHOR: Nathalia-b
+// GITHUB: https://github.com/nathalia-b
+
+#include <iostream>
+using namespace std; 
+
+int main(){
+srand(time(NULL));
+int tam1 = 6, tam2 = 10, cont = 0, i, j;
+int array1[tam1], array2[tam2];
+int intersection[tam1]; /*I am using the size of the smallest array because it would be impossible to have more than that as an INTERSECTION.*/ 
+
+for(i = 0; i<tam2; i++){
+	if(i <= tam1){
+		array1[i] = rand() % 20;  array2[i] = rand() % 20; 
+	}else{
+		array2[i] = rand() % 20; 
+	}
+}
+for(i = 0; i < tam1; i++){
+	for(j = 0; j < tam2; j++){
+	/* If you want to see how they really are being compared, uncomment this:*/ 
+	/* cout << array1[i] <<" is now being compared to " << array2[j] << endl; */
+		if(array1[i] == array2[j]){
+			intersection[cont] = array1[i]; /* There will be repeated elements. Improve that if you want :) */ 
+			cont++;
+		}
+	}
+}
+cout << "The intersection between array1 = {";
+		for(i = 0; i < tam1; i++){
+			if(i == tam1-1){
+				cout << array1[i];
+			}else{
+				cout << array1[i] << ", "; 
+			}
+		}
+cout << "}"<< endl <<"and array2 = {";
+		for(j = 0; j < tam2; j++){
+			if(j == tam2-1){
+				cout << array2[j];
+			}else{
+				cout << array2[j] << ", "; 
+			}
+		}
+cout << "}\nis...{";
+if(cont == 0){
+	cout << "NULL";
+}else{
+		for(i = 0; i < cont; i++){
+			if(i == cont-1){
+				cout << intersection[i];
+			}else{
+				cout << intersection[i] << ", "; 
+			}
+		}
+}
+cout << "}" << endl;
+}