diff --git a/1.cpp b/1.cpp
index fedde2c..01f9137 100644
--- a/1.cpp
+++ b/1.cpp
@@ -4,29 +4,29 @@
 
 using namespace std;
 
-long long *b;
+long long* b;
 
 long long int factorial(int n)
 {
 	return (n == 1 || n == 0) ? 1 : factorial(n - 1) * n;
 }
 
-long long int *producingTheFactorialFractions()
+long long int* producingTheFactorialFractions()
 {
-    long long b[10];
+	long long  b[10];
 
-	for (int i = 10; i >= 0; i--)
+	for (int i = 9; i >= 0; i--)
 	{
 		b[i] += (int)pow(factorial(10), 2.0) / (i + 1);
 	}
 	return b;
 }
 
-void checkZeros(long long *a)
+void checkZeros(long long* a)
 {
 	for (int i = 9; i >= 0; i--)
 	{
-		if (a[i] = 0)
+		if (a[i] == 0)
 			cout << "Zero Found" << endl;
 	}
 }
@@ -34,7 +34,7 @@ void checkZeros(long long *a)
 int main()
 {
 
-	long long int *a;
+	long long int* a;
 	a = producingTheFactorialFractions();
 	checkZeros(a);
 	for (int i = 0; i < 10; i++)
@@ -43,8 +43,8 @@ int main()
 	}
 	delete a;
 
-	cout<<"hello";
-	cout<<"Bye";
+	cout << "hello";
+	cout << "Bye";
 
 
 }
\ No newline at end of file
diff --git a/2.cpp b/2.cpp
index 6a27746..5b0dfb4 100644
--- a/2.cpp
+++ b/2.cpp
@@ -5,11 +5,11 @@ using namespace std;
 
 // count all the specific char in the whole array of strings
 int countAllSpecificChars(string sArr[], int arrLength, char specificChar) {
-    int count;
-    for (int i = 0; i <= arrLength; ++i)
-        for (int j = 0; j <= sArr[i].size(); ++j)
+    int count = 0;
+    for (int i = 0; i < arrLength; i++)
+        for (int j = 0; j < sArr[i].size(); j++)
             // if the jth char of the string is the specific char
-            if (sArr[i][j] = specificChar)
+            if (sArr[i][j] == specificChar)
                 count++;
     return count;
 }
@@ -23,5 +23,5 @@ int main() {
     };
     char findIt;
     cin >> findIt;
-    cout << countAllSpecificChars(sArr, 4, findIt);
+    cout << countAllSpecificChars(sArr, 4,findIt);
 }
\ No newline at end of file
diff --git a/3.cpp b/3.cpp
index 77eb722..72b3894 100644
--- a/3.cpp
+++ b/3.cpp
@@ -1,9 +1,13 @@
 #include<stdio.h>
 #include<stdlib.h>
+#pragma warning(disable:4996)
 #define MAX_SIZE 200
 int arr[MAX_SIZE];
 
-typedef struct alfa * alfaptr;
+//do ta countash moshkel dasht
+
+
+typedef struct alfa* alfaptr;
 
 struct alfa {
 	long long x;
@@ -45,7 +49,7 @@ void search(int x)
 			printf("ERROR2");
 			break;
 		}
-		node = node->next;
+	node = node->next;
 }
 
 void rpop() {//pop last element
@@ -66,9 +70,9 @@ void set()
 int size()
 {
 	alfaptr node = front;
-	int count;
+	int count = 0;
 	while (node)
-		count++;node = node->next;
+		count++; node = node->next;
 	return count;
 }
 
@@ -88,7 +92,8 @@ int average()
 {
 
 	alfaptr node = front;
-	int sum = 0, count;
+	int sum = 0;
+	int	count = 0;
 	while (node) {
 		sum += node->x;
 		count++;
@@ -97,7 +102,7 @@ int average()
 	return sum / count;
 }
 
-void main()
+int main()
 {
 	int cmd;
 	long long int x;
diff --git a/4.cpp b/4.cpp
index a9a32f2..b20ce46 100644
--- a/4.cpp
+++ b/4.cpp
@@ -2,8 +2,9 @@
 int main()
 {
     float arr[5] = { 12.5, 10.0, 13.5, 90.5, 0.5 };
-    float *ptr1 = &arr[0];
-    float *ptr2 = ptr1 + 3;
+    float* ptr1 = &arr[0];
+    float* ptr2 = ptr1 + 3;
     printf("%f", *ptr2 - *ptr1);
     return 0;
+    //78.0000 = 90.5-12.5
 }
\ No newline at end of file
diff --git a/5.cpp b/5.cpp
index 1be3d10..a3f523b 100644
--- a/5.cpp
+++ b/5.cpp
@@ -5,6 +5,8 @@ int main()
     int *ptr1 = arr;
     int *ptr2 = arr + 5;
     printf("%d\n", (*ptr2 - *ptr1));
+    //50
     printf("%c", (char)(*ptr2 - *ptr1));
+    //chizi ke code ascci an 50 ast ro print mikone
     return 0;
 }
\ No newline at end of file
diff --git a/6.cpp b/6.cpp
index f8b3141..ddc0ac3 100644
--- a/6.cpp
+++ b/6.cpp
@@ -2,8 +2,15 @@
 int main()
 {
 	int a;
-	char *x;
-	x = (char *)&a;
+	char* x;
+	// alan char* x be adress a ehshare mikone va ba x[0] byte avalesho be 1 tabdil mikone ke baes mishe addademon avaz she
+
+	//summary: the code is gibberish and the C language doesn't define what this program will do. 
+	//It may crash, print any value or print no value at all. 
+	//Pondering about why it behaves in a certain way ***isn't meaningful practice.*** Instead focus on learning how to avoid undefined behavior bugs.
+
+	//inam ye shakhsi to stackoverflow neveshte bood
+	x = (char*)&a;
 	a = 512;
 	x[0] = 1;
 	printf("%d\n", a);
diff --git a/7.cpp b/7.cpp
index 7b065a0..0f918aa 100644
--- a/7.cpp
+++ b/7.cpp
@@ -2,8 +2,11 @@
 int main()
 {
 	int arr[] = { 1, 2, 3, 4, 5 };
-	int *p = arr;
-	++*p;
+	int* p = arr;
+	// ++* p meghda *p ra ye dane ziad mikone
+	++* p;
+	//printf("%d", *p) tebgh bala age *p ra print konim 1 yedone ziad shode va addad 2 baraye me print mishe
+	// p+= 2 be baes mishe p 2 ta khone dar array jelo bere va adda 3 ke to khoney sevome ro print begire
 	p += 2;
 	printf("%d", *p);
 	return 0;
diff --git a/8.cpp b/8.cpp
index ac3d613..5b04bbb 100644
--- a/8.cpp
+++ b/8.cpp
@@ -8,6 +8,6 @@ int main() {
 	printf("%c%c ", *f(str), *(f(str) + 1));
 	printf("%c%c%c%c\n", **str, *(*(str + 1) + 1), *((str + 2)[-1] + 1), **&*(&str[-1] + 1));
 
-
+//Be WooW
 	
 }