Examples with credit

Author: tranleduy2000

app/build.gradle

@@ -114,6 +114,8 @@ android {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
+    // https://mvnrepository.com/artifact/org.jsoup/jsoup
+    testImplementation group: 'org.jsoup', name: 'jsoup', version: '1.7.2'
     androidTestImplementation 'com.android.support.test:runner:1.0.1'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 

app/examples/c/ASCII-value-character.c

@@ -0,0 +1,20 @@
+// C Program to Find ASCII Value of a Character
+
+// This page contains source code to display ASCII value of a character enter by user...
+
+#include <stdio.h>
+int main()
+{
+    char c;
+    printf("Enter a character: ");
+
+    // Reads character input from the user
+    scanf("%c", &c);  
+    
+    // %d displays the integer value of a character
+    // %c displays the actual character
+    printf("ASCII value of %c = %d", c, c);
+    return 0;
+}
+
+// https://www.programiz.com/c-programming/examples/ASCII-value-character

app/examples/c/access-array-pointer.c

@@ -0,0 +1,22 @@
+// C Program to Access Elements of an Array Using Pointer
+
+// This program declares the array of five element and the elements of that array are accessed using pointer.
+
+#include <stdio.h>
+
+int main()
+{
+   int data[5], i;
+   printf("Enter elements: ");
+
+   for(i = 0; i < 5; ++i)
+     scanf("%d", data + i);
+
+   printf("You entered: \n");
+   for(i = 0; i < 5; ++i)
+      printf("%d\n", *(data + i));
+
+   return 0;
+}
+
+// https://www.programiz.com/c-programming/examples/access-array-pointer

app/examples/c/add-matrix.c

@@ -0,0 +1,57 @@
+// C Program to Add Two Matrix Using Multi-dimensional Arrays
+
+// C program to add two matrix entered by user with source code and output....
+
+#include <stdio.h>
+int main(){
+    int r, c, a[100][100], b[100][100], sum[100][100], i, j;
+
+    printf("Enter number of rows (between 1 and 100): ");
+    scanf("%d", &r);
+    printf("Enter number of columns (between 1 and 100): ");
+    scanf("%d", &c);
+
+    printf("\nEnter elements of 1st matrix:\n");
+
+    for(i=0; i<r; ++i)
+        for(j=0; j<c; ++j)
+        {
+            printf("Enter element a%d%d: ",i+1,j+1);
+            scanf("%d",&a[i][j]);
+        }
+
+    printf("Enter elements of 2nd matrix:\n");
+    for(i=0; i<r; ++i)
+        for(j=0; j<c; ++j)
+        {
+            printf("Enter element a%d%d: ",i+1, j+1);
+            scanf("%d", &b[i][j]);
+        }
+
+    // Adding Two matrices
+
+    for(i=0;i<r;++i)
+        for(j=0;j<c;++j)
+        {
+            sum[i][j]=a[i][j]+b[i][j];
+        }
+
+    // Displaying the result
+    printf("\nSum of two matrix is: \n\n");
+
+    for(i=0;i<r;++i)
+        for(j=0;j<c;++j)
+        {
+
+            printf("%d   ",sum[i][j]);
+
+            if(j==c-1)
+            {
+                printf("\n\n");
+            }
+        }
+    
+    return 0;
+}
+
+// https://www.programiz.com/c-programming/examples/add-matrix

app/examples/c/add-numbers.c

@@ -0,0 +1,24 @@
+// C Program to Add Two Integers
+
+// This page contains example to add two integers in C programming language with output and explanation...
+
+#include <stdio.h>
+int main()
+{
+    int firstNumber, secondNumber, sumOfTwoNumbers;
+    
+    printf("Enter two integers: ");
+
+    // Two integers entered by user is stored using scanf() function
+    scanf("%d %d", &firstNumber, &secondNumber);
+
+    // sum of two numbers in stored in variable sumOfTwoNumbers
+    sumOfTwoNumbers = firstNumber + secondNumber;
+
+    // Displays sum      
+    printf("%d + %d = %d", firstNumber, secondNumber, sumOfTwoNumbers);
+
+    return 0;
+}
+
+// https://www.programiz.com/c-programming/examples/add-numbers

app/examples/c/alphabet.c

@@ -0,0 +1,20 @@
+// C Program to Check Whether a Character is an Alphabet or not
+
+// In this example, you will learn to check whether a character entered by the user is an alphabet or not.
+
+#include <stdio.h>
+int main()
+{
+    char c;
+    printf("Enter a character: ");
+    scanf("%c",&c);
+
+    if( (c>='a' && c<='z') || (c>='A' && c<='Z'))
+        printf("%c is an alphabet.",c);
+    else
+        printf("%c is not an alphabet.",c);
+
+    return 0;
+}
+
+// https://www.programiz.com/c-programming/examples/alphabet

app/examples/c/armstrong-number-interval.c

@@ -0,0 +1,49 @@
+// C Program to Display Armstrong Number Between Two Intervals
+
+// Example to find all Armstrong numbers between two integers (entered by the user) using loops and if...else statement.
+
+#include <stdio.h>
+#include <math.h>
+
+int main()
+{
+    int low, high, i, temp1, temp2, remainder, n = 0, result = 0;
+
+    printf("Enter two numbers(intervals): ");
+    scanf("%d %d", &low, &high);
+    printf("Armstrong numbers between %d an %d are: ", low, high);
+
+    for(i = low + 1; i < high; ++i)
+    {
+        temp2 = i;
+        temp1 = i;
+
+        // number of digits calculation
+        while (temp1 != 0)
+        {
+            temp1 /= 10;
+            ++n;
+        }
+
+        // result contains sum of nth power of its digits
+        while (temp2 != 0)
+        {
+            remainder = temp2 % 10;
+            result += pow(remainder, n);
+            temp2 /= 10;
+        }
+
+        // checks if number i is equal to the sum of nth power of its digits
+        if (result == i) {
+            printf("%d ", i);
+        }
+
+        // resetting the values to check Armstrong number for next iteration
+        n = 0;
+        result = 0;
+
+    }
+    return 0;
+}
+
+// https://www.programiz.com/c-programming/examples/armstrong-number-interval

app/examples/c/array-largest-element.c

@@ -0,0 +1,35 @@
+// C Program to Find Largest Element of an Array
+
+// C program to find the largest element of an array with source code, output and explanation....
+
+#include <stdio.h>
+
+int main()
+{
+    int i, n;
+    float arr[100];
+
+    printf("Enter total number of elements(1 to 100): ");
+    scanf("%d", &n);
+    printf("\n");
+
+    // Stores number entered by the user
+    for(i = 0; i < n; ++i)
+    {
+       printf("Enter Number %d: ", i+1);
+       scanf("%f", &arr[i]);
+    }
+
+    // Loop to store largest number to arr[0]
+    for(i = 1; i < n; ++i)
+    {
+       // Change < to > if you want to find the smallest element
+       if(arr[0] < arr[i])
+           arr[0] = arr[i];
+    }
+    printf("Largest element = %.2f", arr[0]);
+
+    return 0;
+}
+
+// https://www.programiz.com/c-programming/examples/array-largest-element

app/examples/c/average-arrays.c

@@ -0,0 +1,35 @@
+// C Program to Calculate Average Using Arrays
+
+// C programming source code to calculate average using arrays....
+
+#include <stdio.h>
+
+int main()
+{
+    int n, i;
+    float num[100], sum = 0.0, average;
+
+    printf("Enter the numbers of elements: ");
+    scanf("%d", &n);
+
+    while (n > 100 || n <= 0)
+    {
+        printf("Error! number should in range of (1 to 100).\n");
+        printf("Enter the number again: ");
+        scanf("%d", &n);
+    }
+
+    for(i = 0; i < n; ++i)
+    {
+        printf("%d. Enter number: ", i+1);
+        scanf("%f", &num[i]);
+        sum += num[i];
+    }
+
+    average = sum / n;
+    printf("Average = %.2f", average);
+
+    return 0;
+}
+
+// https://www.programiz.com/c-programming/examples/average-arrays

app/examples/c/binary-decimal-convert.c

@@ -0,0 +1,31 @@
+// C Program to Convert Binary Number to Decimal and vice-versa
+
+// In this example, you will learn to convert binary number to decimal and decimal number to binary manually by creating a user-defined function
+
+#include <stdio.h>
+#include <math.h>
+int convertBinaryToDecimal(long long n);
+
+int main()
+{
+    long long n;
+    printf("Enter a binary number: ");
+    scanf("%lld", &n);
+    printf("%lld in binary = %d in decimal", n, convertBinaryToDecimal(n));
+    return 0;
+}
+
+int convertBinaryToDecimal(long long n)
+{
+    int decimalNumber = 0, i = 0, remainder;
+    while (n!=0)
+    {
+        remainder = n%10;
+        n /= 10;
+        decimalNumber += remainder*pow(2,i);
+        ++i;
+    }
+    return decimalNumber;
+}
+
+// https://www.programiz.com/c-programming/examples/binary-decimal-convert