adding some cool more C programs

C/Addition.c

@@ -0,0 +1,8 @@
+#include<stdio.h>
+void main()
+{ int a,b,c;
+printf("Enter two Numbers : ");
+scanf("%d %d",&a,&b);
+c=a+b;
+printf("The Sum is %d",c);
+}

C/Address of 1-D array.c

@@ -0,0 +1,17 @@
+#include<stdio.h>
+int main()
+{
+	int a[100],i,n,*add;
+	printf("enter the size");
+	scanf("%d",&n);
+	printf("enter the no");
+	for(i=0;i<n;i++)
+	{
+		scanf("%d",&a[i]);
+	}
+	for(i=0;i<n;i++)
+	{
+		add=(a+(i*sizeof(int)));
+		printf("%u\n",add);
+	}
+}

C/AllTempScalesConv.c

@@ -0,0 +1,98 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+// Function that performs the conversion
+double convertTemp(double initValue, int initScale, int finalScale){
+    double finalValue;
+    switch(initScale){
+        // Celsius
+        case 1:
+            // Celsius to Kelvin
+            if(finalScale == 1){
+                finalValue = initValue + 273.15;
+            }
+            // Celsius to Fahrenheit
+            else if(finalScale == 2){
+                finalValue = (initValue * 9 / 5) + 32;
+            }
+            break;
+        case 2:
+            // Kelvin to Celsius
+            if(finalScale == 1){
+                finalValue = initValue - 273.15;
+            }
+            // Kelvin to Fahrenheit
+            else if(finalScale == 2){
+                finalValue = ((initValue - 273.15) * 9 / 5) + 32;
+            }
+            break;
+        case 3:
+            // Fahrenheit to Celsius
+            if(finalScale == 1){
+                finalValue = (initValue - 32) * 5 / 9;
+            }
+            // Fahrenheit to Kelvin
+            else if(finalScale == 2){
+                finalValue = ((initValue - 32) * 5 / 9) + 273,15;
+            }
+            break;
+
+    }
+    return finalValue;
+}
+
+int main(){
+    int option;
+    double initialValue, finalValue;
+    while(1){
+        // main menu
+        printf("\n0 - Exit\n");
+        printf("1 - Convert from Celsius to Kelvin\n");
+        printf("2 - Convert from Celsius to Fahrenheit\n");
+        printf("3 - Convert from Kelvin to Fahrenheit\n");
+        printf("4 - Convert from Kelvin to Celsius\n");
+        printf("5 - Convert from Fahrenheit to Celsius\n");
+        printf("6 - Convert from Fahrenheit to Kelvin\n");
+
+        printf("Select a number: ");
+        scanf("%d",&option);
+        if(!option){
+            printf("Ending program\n");
+            return 0;
+        }
+
+        printf("Please enter the initial value: ");
+        scanf("%lf",&initialValue);
+
+        switch(option){
+            case 1:
+                finalValue = convertTemp(initialValue,1,1);
+                printf("Valor em Kelvin: %.2lf",finalValue);
+                break;
+            case 2:
+                finalValue = convertTemp(initialValue,1,2);
+                printf("Valor em Fahrenheit: %.2lf",finalValue);
+                break;
+            case 3:
+                finalValue = convertTemp(initialValue,2,1);
+                printf("Valor em Celsius: %.2lf",finalValue);
+                break;
+            case 4:
+                finalValue = convertTemp(initialValue,2,2);
+                printf("Valor em Fahrenheit: %.2lf",finalValue);
+                break;
+            case 5:
+                finalValue = convertTemp(initialValue,3,1);
+                printf("Valor em Celsius: %.2lf",finalValue);
+                break;
+            case 6:
+                finalValue = convertTemp(initialValue,3,1);
+                printf("Valor em Kelvin: %.2lf",finalValue);
+                break;
+
+        }
+        printf("\n");
+    }
+
+    return 0;
+}

C/Anagram-Program-in-C

@@ -0,0 +1,71 @@
+#include <stdio.h>  
+#include <string.h> 
+#include <stdlib.h>  
+
+int checkAnagram(char *str1, char *str2);
+
+int main()
+{
+    char str1[100], str2[100];
+
+    printf("Function : whether two given strings are anagram :");
+    printf("\nExample : pears and  spare, stone and tones :");
+
+    printf(" Input the  first String : ");
+    fgets(str1, sizeof str1, stdin);
+    printf(" Input the  second String : ");
+    fgets(str2, sizeof str2, stdin);
+
+    if(checkAnagram(str1, str2) == 1)
+    {
+       str1[strlen(str1)-1] = '\0';
+       str2[strlen(str2)-1] = '\0';
+       printf(" %s and %s are Anagram.\n\n",str1,str2);
+    } 
+    else 
+    {
+       str1[strlen(str1)-1] = '\0';
+       str2[strlen(str2)-1] = '\0';
+       printf(" %s and %s are not Anagram.\n\n",str1,str2);
+    }
+    return 0;
+}
+
+
+//Function to check whether two passed strings are anagram or not
+
+int checkAnagram(char *str1, char *str2)
+{
+    int str1ChrCtr[256] = {0}, str2ChrCtr[256] = {0};
+    int ctr;
+
+    /* check the length of equality of Two Strings */
+
+    if(strlen(str1) != strlen(str2))
+    {
+        return 0;
+    }
+
+    //count frequency of characters in str1 
+
+    for(ctr = 0; str1[ctr] != '\0'; ctr++)
+    {
+        str1ChrCtr[str1[ctr]]++;
+    }
+
+    //count frequency of characters in str2 
+
+    for(ctr = 0; str2[ctr] != '\0'; ctr++)
+    {
+        str2ChrCtr[str2[ctr]]++;
+    }
+
+    //compare character counts of both strings 
+
+    for(ctr = 0; ctr < 256; ctr++)
+    {
+        if(str1ChrCtr[ctr] != str2ChrCtr[ctr])
+            return 0;
+    }
+    return 1;
+}

C/SwapByRefandCopy.c

@@ -0,0 +1,43 @@
+#include <stdio.h>
+
+// Swap_ref creates a temporary variable temp and dereffrences the address that was sent to it(this is done to get the actual
+// value of the int in the memory space). the dereffrencing allows us to change the actual values.
+void swap_ref(int* a, int* b){
+ int temp = *a;
+
+ *a = *b;
+ *b = temp;
+}
+
+// Swap however does not use addresses and reffrences and only alters the ints within it's own scope
+void swap(int a, int b)
+{
+ int temp = a;
+ a = b;
+ b = temp;
+}
+
+int main(void) {
+  //Declare 2 int variables that are going to be swapped by reference
+  int a = 1;
+  int b = 2;
+
+  printf("%d\n", a);
+  printf("%d\n", b);
+
+  //Pass the Address of the Values to the Swap function
+  swap_ref(&a, &b);
+
+  printf("%d\n", a);
+  printf("%d\n", b);
+
+  int c = 5;
+  int d = 10;
+  printf("%d\n", c);
+  printf("%d\n", d);
+
+  swap(c, d);
+
+  printf("%d\n", c);
+  printf("%d\n", d);
+}

C/SwapIntegers.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+int main()
+{
+	int num1=5, num2=10;
+
+	printf("The numbers are: %d and %d", &num1,&num2);
+
+	num1=num1+num2; //num1=15 and num2=10
+	num2=num1-num2; //num1=15 and num2=5
+	num1=num1-num2; //num1=10 and num2=5
+
+	printf("The numbers have been swapped with new positions: %d and %d", &num1,&num2);
+
+	return 0;
+}

C/SwapIntegersWithout3rdVariable(Arithmatic).c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+int main()
+{
+	int num1=5, num2=10;
+
+	printf("The numbers are: %d and %d", &num1,&num2);
+
+	num1=num1+num2; //num1=15 and num2=10
+	num2=num1-num2; //num1=15 and num2=5
+	num1=num1-num2; //num1=10 and num2=5
+
+	printf("The numbers have been swapped with new positions: %d and %d", &num1,&num2);
+
+	return 0;
+}

C/SwapValueUsingThirdVariable.c

@@ -0,0 +1,15 @@
+// Swap two integers using third variable
+
+
+#include<stdio.h>
+int main()
+{
+    int a,b,c;
+    printf("Enter two no :\n");
+    scanf("%d%d",&a,&b);
+    c=a;
+    a=b;
+    b=c;
+    printf("After swapping value of a = %d\n b =%d",a,b);
+    return 0;
+}

C/SwapValueWithoutUsingThirdVariable.c

@@ -0,0 +1,15 @@
+// Swap two integers without using third variable
+
+
+#include<stdio.h>
+int main()
+{
+    int a, b;
+    printf("Enter two no :\n");
+    scanf("%d%d",&a,&b);
+    a = a^b;
+    b = a^b;
+    a=  a^b;
+    printf("After swapping value of a and b : %d,%d",a,b);
+    return 0;
+}

C/Swapping(without using extra variable).cpp

@@ -0,0 +1,13 @@
+#include<stdio.h>
+#include<conio.h>
+void main()
+{
+	int a,b;
+	printf("Enter a and b\n");
+	scanf("%d%d",&a,&b);
+	a=a+b;
+	b=a-b;
+	a=a-b;
+	printf("After swapping a and b are %d %d",a,b);
+    getch();
+}

C/Temperature.c

@@ -0,0 +1,8 @@
+#include<stdio.h>
+void main()
+{ float a,c,f;
+printf("Enter the Temperature in Celcius : ");
+scanf("%f",&c);
+f=c*(9/5)+32;
+printf("Temperature in Fahernheit is %f",f);
+}

C/TemperatureSwitch.c

@@ -0,0 +1,38 @@
+#include <stdio.h>
+
+int main()
+{
+	// The resultant temperatures can be in decimals as well, so we use double
+	double c, f, result;
+	// We use an integer type data to run the switch statement
+	int choice;
+	printf("Select your choice: \n");
+	printf("1. Celcius to Fahrenheit\n");
+	printf("2. Fahrenheit to Celcius\n");
+
+	printf("Enter your choice: ");
+	scanf("%d", &choice);
+
+	// We compute the temperatures for both the cases here respectively
+	switch(choice)
+	{
+		case 1:
+			printf("Enter the temperature in Celcius: ");
+			scanf("%lf", &c);
+			result = (9 / 5) * c + 32;
+			break;
+		case 2:
+			printf("Enter the temperature in Fahrenheit: ");
+			scanf("%lf", &f);
+			result = (5 / 9) * (f - 32);
+			break;
+
+		// This case gets activated when the user inputs anything othrer than 1 or 2
+		default: 
+			printf("Invalid case!\n");
+	}
+
+	// Printing out the result according to the computation
+	printf("The resultant temperature is: %lf", result);
+	return 0;
+}

C/TernaryOperator.c

@@ -0,0 +1,13 @@
+//Largest number among 3 numbers using ternary operator
+
+#include<stdio.h>
+int main()
+{
+    float a,b,c,large;
+    printf("Enter any 3 numbers\n");
+    scanf("%f%f%f",&a,&b,&c);
+    large = a>b? (a>c?a:c): (b>c?b:c);
+    printf("The larger no is :%f\n", large);
+    return 0;
+
+}

C/Trif.c

@@ -0,0 +1,10 @@
+#include<stdio.h>
+#include<math.h>
+void main()
+{ double a,b;
+printf("Enter the degree : ");
+scanf("%lf",&a);
+a=(a*3.14)/180;
+b=sin(a);
+printf("Sine is %lf",b);
+}