C pratice

C_tutorial/C_Advance/Makefile

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+defaults:
+	gcc -o test.o struct_operation.c
+
+clean:
+	rm -f *.o

C_tutorial/C_Advance/dynamicArraystruct.c

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+#include "stdio.h"
+#include "stdlib.h"
+
+typedef struct point {
+	int x;
+	int y;
+}Point;
+
+int main(){
+	Point pointArray[5];
+	printf("Enter the value first point x\n");
+	scanf("%d",&pointArray[0].x);
+	printf("Enter the value first point y\n");
+	scanf("%d",&pointArray[0].y);
+
+	for(int i=0;i<5;i++)
+	{	
+		/*Enter code and innovate*/
+		printf("Enter the value point x string #%d \n",i+1);
+		scanf("%d",&pointArray[i].x);
+		printf("Enter the value point y string #%d \n",i+1);
+		scanf("%d",&pointArray[i].y);
+	}
+	for (int i=0;i<5;i++){
+		printf("Point #%d = (%d,%d)\n",i+1,pointArray[i].x,pointArray[i].y);
+	}
+	return 0;
+}
+
+

C_tutorial/C_Advance/exercise1.c

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+#include "stdio.h"
+#include "stdlib.h"
+
+
+
+/*Exercise 2 :
+	Write the function :
+	Function 1:-get the function variable and prints it information
+	Function 2:-responsible for getting input from user and return it*/
+#include "stdio.h"
+#include "stdlib.h"
+
+typedef struct Point
+{
+	/* data for struct point x,y */
+	int x;
+	int y;
+}Point;
+
+void printPoint(Point pt) {
+	printf("The value of x: %d\n",pt.x);
+	printf("The value of y: %d\n",pt.y);
+}
+Point pointview(){
+	Point pt;
+	printf("Enter the value of x:\n");
+	scanf("%d",&pt.x);
+	printf("Enter the value of y:\n");
+	scanf("%d",&pt.y);
+	return pt;
+}
+int main(){
+	Point pt1;
+	pt1 = pointview();
+	printPoint(pt1);
+
+	return 0;
+}

C_tutorial/C_Advance/pointer.c

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+#include "stdio.h"
+#include "stdlib.h"
+
+int  main(){
+    int num1 = 50;
+    int num2 = 100;
+    int *ptrA, *ptrB;
+    printf("The value of number:%d\t%d\n",num1,num2);
+
+    /*tro den gia tri num1 num2 : pointer khai bao*/
+    ptrA = &num1;
+    ptrB = &num2;
+    printf("The value of num1,num2:%d\t%d\n",num1,num2);
+
+
+    *ptrA = *ptrA+1 ;
+    *ptrB = *ptrB+3;
+    printf("The value new the number1 and number2 %d\t%d\n",num1,num2);
+
+    ptrA = ptrB;
+    ptrB = ptrA;
+    printf("num1 %d \t, num2 %d\n",num1,num2);
+    printf("*ptrA = %d, *ptrB = %d \n",*ptrA,*ptrB);
+
+    num1 = *ptrB;
+    num2 = num1 - 3 ;
+    printf("num1 = %d,num2 = %d \n",num1,num2);
+    return 0;
+}

C_tutorial/C_Advance/pointer_advance.c

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+#include "stdio.h"
+#include "stdlib.h"
+
+void findMaxMin(int num1, int num2,int *ptrA, int *ptrB){
+    if (num1>num2) {
+        *ptrA = num1;
+        *ptrB = num2;
+    }
+    else {
+        *ptrA = num2;
+        *ptrB = num1;
+    }
+}
+int main(){
+    int a = 10, b = 20;
+    int max,min;
+    findMaxMin(a,b,&max,&min);
+    printf("The value of max %d \n",max);
+    printf("The value of min %d \n",min);
+
+    return 0;
+}

C_tutorial/C_Advance/pointer_pratice.c

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+// #include "stdio.h"
+// #include "stdlib.h"
+
+
+// int main(){
+//     int a = 5;
+//     int *p;
+//     p = &a;
+//     printf("%p \n",&a);
+//     printf("%p \n",p);
+//     printf("%d \n",a);
+//     printf("%d \n",*p);
+//     return 0;
+// } 
+
+#include "stdio.h"
+#include "stdlib.h"
+
+int main(){
+    int grade1 = 80, grade2 = 100;
+    printf("value of grade1 : %d \n",grade1);
+    printf("value of grade2: %d \n",grade2);
+
+    printf("Address of the grade1 %p\n",&grade1);
+    printf("Address of the grade2 %p\n",&grade2);
+    return 0;
+}

C_tutorial/C_Advance/struct.c

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+#include "stdio.h"
+#include "stdlib.h"
+
+// struct point {
+// 	int x;
+// 	int y;
+// }; 
+
+// struct date
+// {
+// 	/*struct in day for using cusomized data */
+// 	int day;
+// 	int months;
+// 	int year;
+// };
+
+/*typedef example */
+typedef struct date{
+	int day;
+	int months;
+	int year;
+}Date;
+int main()
+{
+	struct date graduteDate;
+	printf("Enter day:");
+	scanf("%d",&graduteDate.day);
+
+	printf("Enter months:");
+	scanf("%d",&graduteDate.months);
+
+	printf("Enter year:");
+	scanf("%d",&graduteDate.year);
+	printf("The my gradute day is (%d,%d,%d) \n",graduteDate.day,graduteDate.months,graduteDate.year);
+
+
+	return 0;
+}
+

C_tutorial/C_Advance/struct_members.c

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+#include "stdio.h"
+#include "stdlib.h"
+#include "string.h"
+
+typedef struct employee{
+	char name[10];
+	float age;
+	int  id;
+}Employee;
+
+int main(){
+	Employee emp1;
+	Employee emp2 = {"Jake",25.4,123};
+
+	emp1 = emp2;
+	printf("Employee 1 is name %s\n",emp1.name);
+	printf("Employee 2 is name %s\n",emp2.name);
+
+	strcpy(emp1.name,"Join");
+	emp1.id = 456;
+
+	printf("Id of members %d\n",emp1.id);
+	printf("The name of members 1 %s\n",emp1.name);
+return 0;
+
+}

C_tutorial/C_Advance/struct_operation.c

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+#include "stdio.h"
+#include "stdlib.h"
+#include "string.h"
+
+typedef struct point 
+{
+	int x;
+	int y;
+}Point;
+
+typedef struct employee
+{
+	char name[10];
+	float age;
+	int id;
+}Employee;
+
+int equalPoints(Point p1, Point p2) // "Operation =="
+{
+	if((p1.x == p2.x)&&(p1.y==p2.y)){
+		return 1;
+	}
+	else {
+		return 0;
+	}
+}
+int notEqualPoints(Point p1, Point p2) // "Operation !="
+{
+	if((p1.x != p2.x)||(p1.y!=p2.y)){
+		return 1;
+	}
+	else {
+		return 0;
+	}
+}
+
+int equalAge(Employee e1,Employee e2)
+{
+	if(e1.age == e2.age){
+		return 0;
+	}
+	else if (e1.age < e2.age) {
+		return -1;
+	}
+	else 	//e2.age > e1.age
+		return 1;
+}
+
+int equalName(Employee e1,Employee e2)
+{
+	if(e1.name == e2.name){
+		return 0;
+	}
+	else if (e1.name < e2.name) {
+		return -1;
+	}
+	else 	//e2.age > e1.age
+		return 1;
+}
+int equalId(Employee e1,Employee e2)
+{
+	if(e1.id == e2.id){
+		return 0;
+	}
+	else if (e1.id < e2.id) {
+		return -1;
+	}
+	else 	//e2.age > e1.age
+		return 1;
+}
+
+int main()
+{
+	Point point1 = {2,4};
+	Point point2 = {3,5};
+	if (equalPoints(point1,point2) !=0) {
+		// Code related to the fact that the points are equal
+		printf("The struct is not equal\n");
+	}
+return 0;
+}

C_tutorial/C_Advance/struct_test.c

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+// #include "stdio.h"
+// #include "stdlib.h"
+
+// typedef struct point
+// {	
+// 	int x;
+// 	int y;
+// }Point;
+
+// int main()
+// {	
+// 	Point p1;
+// 	Point p2 = {5,7};
+// 	Point p3 = {.x = 3, .y = 5};
+// 	Point p4 = {.y = 10, .x =5};
+// 	Point p5 = {.x=10};
+
+// 	return 0;
+// }
+
+ /*Write the function 
+ 	- Function 1: get the point variable and print this information
+	- Function 2: responsible for getting a point input from the user and the return it*/
+#include "stdio.h"
+#include "stdlib.h"
+
+int main()
+{
+
+	return 0;
+}

C_tutorial/C_Advance/typedef.c

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+#include "stdio.h"
+#include "stdlib.h"
+
+
+
+typedef struct date 
+{
+	int day;\
+	int months;
+	int year;
+}Date;
+
+void printDate(Date dt)
+{
+	printf("Year = %d,Months = %d, Day =%d \n",dt.year,dt.months,dt.day);
+}
+Date inputDate(){
+	Date dt;
+	printf("Enter day:");
+	scanf("%d",&dt.day);
+
+	printf("Enter months");
+	scanf("%d",&dt.months);
+
+	printf("Enter year");
+	scanf("%d",&dt.year);
+	return dt;
+}
+int main()
+{
+	Date graduteDate,todayDate;
+	graduteDate = inputDate();
+
+	todayDate = inputDate();
+	printDate(graduteDate);
+	printDate(todayDate);
+
+
+	return 0;
+}

C_tutorial/C_Algorithm/pratice1.c

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+#include "stdio.h"
+
+int test(int x, int y) {
+    return x==y? (x+y)*3:(x+y);
+};
+// int test(int x,int y);
+int main(){
+    printf("%d\n",test(1,2));
+    printf("%d\n",test(2,2));
+    return 0;
+}