diff --git a/2.cpp b/2.cpp
index 6a27746..27e7885 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; //variable count wasnt initialized
+    for (int i = 0; i < arrLength; i++)//"<="changed to "<"
+        for (int j = 0; j < sArr[i].size(); j++)//"<="changed to "<"
             // if the jth char of the string is the specific char
-            if (sArr[i][j] = specificChar)
+            if (sArr[i][j] == specificChar)//"="changed to "=="
                 count++;
     return count;
 }
diff --git a/4.cpp b/4.cpp
index a9a32f2..c377c62 100644
--- a/4.cpp
+++ b/4.cpp
@@ -2,8 +2,10 @@
 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;
-}
\ No newline at end of file
+}
+//no problem
+//78
\ No newline at end of file
diff --git a/5.cpp b/5.cpp
index e9a1737..b651b83 100644
--- a/5.cpp
+++ b/5.cpp
@@ -2,9 +2,11 @@
 int main()
 {
     int arr[] = { 10, 20, 30, 40, 50, 60 };
-    int *ptr1 = arr;
-    int *ptr2 = arr + 5;
+    int* ptr1 = arr;
+    int* ptr2 = arr + 5;
     printf("%d\n", (*ptr2 - *ptr1));
     printf("%c", (char)(*ptr2 - *ptr1));
     return 0;
-}
\ No newline at end of file
+}
+//50
+//2
\ No newline at end of file
diff --git a/6.cpp b/6.cpp
index bb721c3..ca2df93 100644
--- a/6.cpp
+++ b/6.cpp
@@ -9,3 +9,4 @@ int main()
 	printf("%d\n", a);
 	return 0;
 }
+//513
diff --git a/7.cpp b/7.cpp
index 7b065a0..2da73b3 100644
--- a/7.cpp
+++ b/7.cpp
@@ -7,4 +7,5 @@ int main()
 	p += 2;
 	printf("%d", *p);
 	return 0;
-}
\ No newline at end of file
+}
+//3
\ No newline at end of file
diff --git a/8.cpp b/8.cpp
index 76b870c..35cfd03 100644
--- a/8.cpp
+++ b/8.cpp
@@ -11,3 +11,4 @@ int main() {
 
 	
 }
+//Be WooW
\ No newline at end of file