Add files via upload

Addition.c

@@ -0,0 +1,15 @@
+#include<stdio.h>
+
+int main()
+
+{
+int num1,num2,addition;
+printf("enter the num1");
+scanf("%d",&num1);
+printf("enter the num2");
+scanf("%d",&num2);
+addition= num1+num2;
+printf ("%d",addition);
+return 0 ;
+
+}

Area of circle.c

@@ -0,0 +1,12 @@
+#include<stdio.h>
+
+int main()
+{
+float r,pie=3.14,area;
+printf("enter the radius ");
+scanf("%f",&r);
+area=pie*r*r;
+printf("area of the circle is %f",area);
+
+return 0;
+}

Check_Prime_number.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int n, i;
+    printf("enter a number ");
+    scanf("%d",& n);
+    for (i = 2; i <= n; i++)
+    {
+        n % i != 0 ? printf("it is a prime number") : printf("it is a prime number");
+    }
+    return 0;
+}

Convert celsius to fahrenheit.c

@@ -0,0 +1,12 @@
+#include<stdio.h>
+
+int main()
+{
+float fare,cels;
+printf("Enter the temperature in fahrenheit");
+scanf("fahrenheit=%f",&fare);
+cels=(fare - 32)*0.5;
+printf("the temperature in celsius is %f",cels);
+
+return 0;
+}

Convert days into month.c

@@ -0,0 +1,14 @@
+#include<stdio.h>
+
+int main()
+{
+int n=0,m=0,rd=0;
+printf("enter the no of days ");
+scanf("%d",&n);
+m=n/30;
+rd=n%30;
+printf("Months=%d",m);
+printf("\n Remaining days=%d",rd);
+
+return 0;
+}

Example of pointer.c

@@ -0,0 +1,15 @@
+#include<stdio.h>
+
+int main()
+{
+int age=18;
+int*ptr=&age;
+int _age=*ptr;
+printf("  age %d",age);
+printf("\n *ptr %d",*ptr);
+printf("\n _age %d",_age);
+
+return 0;
+
+
+}

Find no is pos or neg.c

@@ -0,0 +1,17 @@
+#include<stdio.h>
+
+int main()
+{
+int num;
+printf("enter the num");
+scanf("%d",&num);
+if(num>0)
+{
+    printf("the given number is positive");
+}
+else
+{
+printf("the given number is negative");
+}
+return 0 ;
+}

Find out max no.c

@@ -0,0 +1,19 @@
+#include<stdio.h>
+
+int main()
+{
+int a,b;                        
+printf("enter the value of a ");
+scanf("%d",&a);
+printf("entefr the  value of b");
+scanf("%d",&b);
+if(a>b)
+{
+printf("a is greater than b");
+else
+{
+printf("b is greater than a");
+}
+}
+return 0;
+}

Given_number_is_prime_or_not.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+
+int main() {
+
+  int n, i, flag = 0;
+  printf("Enter a positive integer: ");
+  scanf("%d", &n);
+
+  // 0 and 1 are not prime numbers
+  // change flag to 1 for non-prime number
+  if (n == 0 || n == 1)
+    flag = 1;
+
+  for (i = 2; i <= n / 2; ++i) {
+
+
+    if (n % i == 0) {
+      flag = 1;
+      break;
+    }
+  }
+
+
+  if (flag == 0)
+    printf("%d is a prime number.", n);
+  else
+    printf("%d is not a prime number.", n);
+
+  return 0;
+}

Print a number from negative to positive - Copy.c

@@ -0,0 +1,14 @@
+#include<stdio.h>
+
+int main()
+{
+    int n,low;
+    scanf("%d",&n);
+    low=-n; 
+    while(low<=n)
+    {
+        printf("%d",low);
+        low++;
+    }
+
+}

Sum of 2 no by pointers - Copy.c

@@ -0,0 +1,19 @@
+
+
+#include<stdio.h>
+
+int main()
+
+{
+int a , b , *ptr , *qtr, sum;
+printf("enter the value of a");
+scanf("%d",&a);
+printf("enter the value of b");
+scanf("%d",&b);
+ptr=&a;
+qtr=&b;
+sum= *ptr + *qtr;
+printf("%d",sum);
+
+return 0;
+}

Sum of square and cube upto any given number - Copy.c

@@ -0,0 +1,20 @@
+#include<stdio.h>
+
+int main()
+{
+int no,i=1,square,cube,sum_of_square=0,sum_of_cube=0;
+printf("enter a number");
+scanf("%d",&no);
+while(i<=no)
+{
+   square=i*i;
+   cube=i*i*i;
+   sum_of_square=sum_of_square+square;
+   sum_of_cube=sum_of_cube+cube;
+   i++;
+}
+printf(" sum of square %d of natural numbers id %d",no,sum_of_square);
+printf("\n  sum of cube %d of natural numbers id %d",no,sum_of_cube);
+
+return 0;
+}

Sum upto given numbers.c

@@ -0,0 +1,15 @@
+#include<stdio.h>
+
+int main()
+{
+int no,i,sum=0;
+printf("enter the number");
+scanf("%d",&no);
+for(i=1;i<=no;i++)
+{
+printf("%d",i);
+sum+=i;
+}
+printf("\n%d",sum);
+return 0;
+}

arm num.c

@@ -0,0 +1,31 @@
+
+#include <math.h>
+#include <stdio.h>
+
+int main() {
+   int num, originalNum, remainder, n = 0;
+   float result = 0.0;
+
+   printf("Enter an integer: ");
+   scanf("%d", &num);
+
+   originalNum = num;
+
+   for (originalNum = num; originalNum != 0; ++n) {
+       originalNum /= 10;
+   }
+
+   for (originalNum = num; originalNum != 0; originalNum /= 10) {
+       remainder = originalNum % 10;
+
+      result += pow(remainder, n);
+   }
+
+
+
+   if (result == num)1
+    printf("%d is an Armstrong number.", num);
+   else
+    printf("%d is not an Armstrong number.", num);
+   return 0;
+}

armstrong number.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+int main()
+{
+    int num, remainder, armstrongnumber, p = 0;
+    printf("enter a number");
+    scanf("%d", &num);
+    while (num != 0)
+    {
+        remainder = num % 10;
+        p += (remainder * remainder * remainder);
+        num /= 10;
+    }
+    printf("%d", p);
+    if (num = p)
+    {
+        printf(" it is an armstrong number ");
+    }
+    else
+    {
+        printf(" it is not an armstrong number");
+    }
+    return 0;
+}

calculator with switch statment.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <math.h>
+
+int main()
+{
+    int a, b, c;
+    printf("enter the value of a");
+    scanf("%d", &a);
+    printf("enter the value of b");
+    scanf("%d", &b);
+    printf("enter the choice");
+    scanf("%d", &c);
+    switch (c)
+    {
+    case 1:
+        printf("addition=%d", a + b);
+
+        break;
+    case 2:
+        printf("subtraction=%d", a - b);
+
+        break;
+    case 3:
+        printf("multiplication=%d", a * b);
+
+        break;
+    case 4:
+        printf("division=%d", a / b);
+
+        break;
+    case 5:
+        printf("module=%d", a % b);
+
+        break;
+
+    default:
+        printf("invalid operation");
+        break;
+    }
+
+    return 0;
+}

count_digit_in_num.c

@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <math.h>
+
+int main()
+{
+    int n,m, c = 0;
+    printf("enter the number ");
+    scanf("%d", &n);
+
+    while (n!= 0)
+    {
+
+
+        m= n % 10;
+
+        c = c + m;
+        n=n/10;
+
+
+    }
+    printf("sum=%d", c);
+}

find 3 angle of triangle.c

@@ -0,0 +1,17 @@
+#include<stdio.h>
+
+int main()
+{
+int a,b,c;
+printf("enter the value of a");
+scanf("%d",&a); 
+printf("enter the value of b");
+scanf("%d",&b);
+c=180-(a+b);
+printf("%d",c);
+return 0;
+
+
+
+
+}