Examples for programs in c

Prime_No.c

@@ -0,0 +1,18 @@
+#include<stdio.h>
+void main()
+{ 
+int i,n,c=0;
+printf("Enter a Number : ");
+scanf("%d",&n);
+for(i=2;i<n;i++)
+{
+  if(n%i==0)
+  {
+    printf("NOT a prime number");
+    c++;
+    break;
+  }
+}
+if(c==0)
+printf("%d is a prime number",n);
+}

linearsearch.c

@@ -0,0 +1,28 @@
+#include<stdio.h>
+int main()
+{
+  int n=0;
+  int i,a[];
+  int x,c=0;
+  printf("ENTER SIZE OF ARRAY AND ARRAY ELEMENTS\n");
+  scanf("%d",&n);
+  for(i=0;i<n;i++)
+  {
+    scanf("%d",&a[i]);
+  }
+  printf("ENTER ELEMENT TO SEARCH\n");
+  scanf("%d",&x);
+  for(i=0;i<n;i++)
+  {
+    if(a[i]==x)
+    {
+      printf("FOUND AT INDEX %d",i);
+      break;
+    }
+  }
+    if(c==0)
+    {
+      printf("ELEMENT NOT FOUND");
+    }
+  return 1;
+}

multiply.c

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