pooya golestanfar debuged your code 40129703

1.cpp

@@ -4,16 +4,24 @@ using namespace std;
 class container {
 
 	int size;
+    friend class vector;
 public:
 	float* p;
 	container(int s) :size(s){}
 	const int& getsize() { return size;}
+    container() { size = 0; }
+    float* p;
+    container(int s) :size(s) {}
+    int& getsize() { return size; }
 
+protected:
+    int size;
 };
 
 class vector :public container {
 
 	int call_num;
+    int call_num;
 public:
 	explicit vector(int l) :len(l),size(1 * 100){
 		p = new float();
@@ -24,6 +32,23 @@ class vector :public container {
 		return len;
 	}
 	~vector() = default;
+    explicit vector(int l) :len(l), container(1 * 100) {
+        p = new float[size];
+    }
+    vector(const container& con) :container(1 * 100) {
+
+        this->size = size;
+        this->p = new float[con.size];
+        len = 0;
+
+    }
+    int len;
+    //len is useless!!
+    int& getlen() {
+        call_num++;
+        return len;
+    }
+    ~vector() = default;
 };
 
 int main() {
@@ -37,4 +62,13 @@ int main() {
 	vector v2 = 100;
 	v2.getlen = 40;
 	cout << v2.getlen();
-}
+    container c1(100);
+    vector v1 = c1;
+    container& r1 = v1;
+    container c2 = 100;
+    c2.getsize() = 20;
+    cout << c2.getsize();
+    vector v2 (100);
+    v2.getlen() = 40;
+    cout << v2.getlen();
+}

2.cpp

@@ -1,19 +1,21 @@
 #include <iostream>
 #include <string>
-
 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;
 }
-
 int main() {
     string sArr[4] = {
             "I am",
@@ -24,4 +26,4 @@ int main() {
     char findIt;
     cin >> findIt;
     cout << countAllSpecificChars(sArr, 4, findIt);
-}
+}

3.cpp

@@ -4,10 +4,13 @@
 int arr[MAX_SIZE];
 
 typedef struct alfa * alfaptr;
+typedef struct alfa* alfaptr;
 
 struct alfa {
 	long long x;
 	alfaptr next;
+    long long x;
+    alfaptr next;
 };
 alfaptr rear = NULL, front = NULL;
 void push(int x)
@@ -21,6 +24,19 @@ void push(int x)
 		rear->next = node;
 		rear = node;
 	}
+    alfaptr node;
+    node = (alfaptr)malloc(sizeof(struct alfa));
+    node->next = NULL;
+    node->x = x;
+    if (!front) {
+        front = node;
+        rear = front;
+    }
+
+    else {
+        rear->next = node;
+        rear = node;
+    }
 }
 
 void pop()
@@ -33,6 +49,16 @@ void pop()
 		node = front->next;
 		front = node;
 	}
+
+    if (!front)
+        printf("ERROR1");
+    else
+    {
+        alfaptr temp = front->next;
+        delete front;
+        front = temp;
+
+    }
 }
 void search(int x)
 {
@@ -46,6 +72,17 @@ void search(int x)
 			break;
 		}
 		node = node->next;
+    alfaptr node = front;
+    int counter = 0;
+    while (node) {
+        if (node->x == x)
+            printf("%d", counter);
+        else {
+            printf("ERROR2");
+            break;
+        }
+        node = node->next;
+    }
 }
 
 void rpop() {//pop last element
@@ -54,13 +91,34 @@ void rpop() {//pop last element
 		node = node->next;
 	free(rear);
 	rear = node;
+    alfaptr node = front;
+
+    if (front) {
+        while (node->next && node->next->next)
+            node = node->next;
+    }
+    else {
+        return;
+    }
+    if (node == front&& node->next==NULL) {
+        rear = NULL;
+        front = NULL;
+    }
+    else {
+        free(rear);
+        node->next = NULL;
+        rear = node;
+    }
 }
 
 void set()
 {
 	alfaptr node = front;
 	for (int i = 0; i < MAX_SIZE && node; i++, node = node->next)
 		arr[i] = node->x;
+    alfaptr node = front;
+    for (int i = 0; i < MAX_SIZE && node; i++, node = node->next)
+        arr[i] = node->x;
 }
 
 int size()
@@ -70,6 +128,13 @@ int size()
 	while (node)
 		count++;node = node->next;
 	return count;
+    alfaptr node = front;
+    int count=0;
+    while (node) {
+        count++;
+        node = node->next;
+    }
+    return count;
 }
 
 void show()
@@ -82,9 +147,28 @@ void show()
 	{
 		printf("ERROR3");
 	}
+    //if (front) {
+    //	alfaptr temp = front;
+    //	while (temp) {
+    //		printf("%d\n", temp->x);
+    //		temp = temp->next;
+    //
+    //	}
+    //}
+    //return;
+    //or ---------------------(there can be bugs  in some situations in this)
+    if (front) {
+        for (int i = 0; i < size(); i++)
+            printf("%d ", arr[i]);
+    }
+    else
+    {
+        printf("ERROR3");
+    }
 }
 
 int average()
+float average()
 {
 
 	alfaptr node = front;
@@ -95,9 +179,18 @@ int average()
 		node = node->next;
 	}
 	return sum / count;
+    alfaptr node = front;
+    int sum = 0, count=0;
+    while (node) {
+        sum += node->x;
+        count++;
+        node = node->next;
+    }
+    return sum * 1.0 / count;
 }
 
 void main()
+int main()
 {
 	int cmd;
 	long long int x;
@@ -133,4 +226,40 @@ void main()
 			exit(0);
 		}
 	}
-}
+    int cmd;
+    long long int x;
+    while (true)
+    {
+        scanf_s("%d", &cmd);
+        switch (cmd)
+        {
+            case 1://push
+                scanf_s("%lld", &x);
+                push(x);
+                break;
+            case 2://pop
+                pop();
+                break;
+            case 3://rpop
+                rpop();
+                break;
+            case 4://search
+                scanf_s("%lld", &x);
+                search(x);
+                break;
+            case 5://set
+                set();
+                break;
+            case 6://show
+                show();
+                break;
+            case 7://size
+                printf("%d", size());
+                break;
+            case 8:
+                printf("%f", average());
+            case 10:
+                exit(0);
+        }
+    }
+}

4.cpp

@@ -6,4 +6,6 @@ int main()
     float *ptr2 = ptr1 + 3;
     printf("%f", *ptr2 - *ptr1);
     return 0;
-}
+}
+}
+// output : 78.000000

5.cpp

@@ -7,4 +7,7 @@ int main()
     printf("%d\n", (*ptr2 - *ptr1));
     printf("%c", (char)(*ptr2 - *ptr1));
     return 0;
-}
+}
+}
+//output : 50
+//         2

6.cpp

@@ -9,3 +9,5 @@ int main()
 	printf("%d\n", a);
 	return 0;
 }
+// output : 513
+//

7.cpp

@@ -7,4 +7,6 @@ int main()
 	p += 2;
 	printf("%d", *p);
 	return 0;
-}
+}
+}
+//output: 3

8.cpp

@@ -9,5 +9,5 @@ int main() {
 	printf("%c%c%c%c\n", **str, *(*(str + 1) + 1), *((str + 2)[-1] + 1), **&*(&str[-1] + 1));
 
 
-
 }
+//output : Be WooW