Interviews Pattern

Signed-off-by: Gopal <jaingopal09@gmail.com>

Author: gopaljain1st

Patterns/Interview-Patterns/pattern1.c

@@ -0,0 +1,30 @@
+#include<stdio.h>
+int main()
+{
+	int i,j,k,n=7,count=0,temp;
+	printf("Enter the value of n : ");
+	scanf("%d",&n);
+	for(i=n;i>=1;i--)
+	{
+		for(j=n;j>i;j--)
+		printf("%d",j);
+		for(j=1;j<n*2-count;j++)
+		printf("%d",i);
+		for(j=i;j<n;j++)
+		printf("%d",j+1);
+		count+=2;
+		printf("\n");
+	}
+	count=0;
+	for(i=2;i<=n;i++)
+	{
+		for(j=n;j>=i;j--)
+		printf("%d",j);
+		for(j=2;j<=i+count;j++)
+		printf("%d",i);
+		for(j=i;j<=n;j++)
+		printf("%d",j);
+		count++;
+		printf("\n");
+	}
+}

Patterns/Interview-Patterns/pattern2.c

@@ -0,0 +1,78 @@
+#include<stdio.h>
+int main()
+{
+	int i,j,n=5,side_space,k;
+	printf("Enter the value of n : ");
+	scanf("%d",&n);
+	side_space=n/2+1;
+	system("cls");
+	for(i=1;i<=n;i++)
+	{
+		if(i<=side_space)
+		{
+			for(j=1;j<=side_space-i;j++)
+	        printf(" ");
+	        for(j=1;j<=i;j++)
+	        printf("*");
+		}
+	   else if(i>side_space)
+		{
+			for(j=1;j<=i-side_space;j++)
+			printf(" ");
+			for(j=1;j<=n-i+1;j++)
+			printf("*");
+		    if(i==n)
+			{
+				for(j=1;j<=n;j++)
+				printf("@");
+			}
+		}
+		printf("\n");
+	}
+	for(i=1;i<=n;i++)
+	{
+		for(j=1;j<side_space+n;j++)
+		printf(" ");
+		if(i<side_space)
+		{
+			for(j=1;j<=i;j++)
+			printf("*");
+			j--;
+			for(k=1;k<=n-j*2;k++)
+			printf(" ");
+			for(j=1;j<=i;j++)
+			printf("*");
+		}
+		if(i==side_space)
+		for(j=1;j<=n;j++)
+		printf("*");
+		if(i>side_space)
+		{
+			for(j=1;j<=n+1-i;j++)
+			printf("*");
+			j--;
+			for(k=1;k<=n-j*2;k++)
+		    printf(" ");
+		    for(j=1;j<=n+1-i;j++)
+		    printf("*");
+		}
+		if(i==n)
+	{	for(j=1;j<=n;j++)
+		printf("@");
+      printf("*");
+	  }
+		printf("\n");
+	}
+	for(i=2;i<=n;i++)
+	{
+		for(j=1;j<n*3+side_space;j++)
+		printf(" ");
+		if(i<=side_space)
+	     	for(j=1;j<=i;j++)
+	     	printf("*");
+	    else
+	    for(j=1;j<=n-i+1;j++)
+	    printf("*");
+	    printf("\n");
+	}
+}

Patterns/Interview-Patterns/pattern3.c

@@ -0,0 +1,36 @@
+#include<stdio.h>
+int main()
+{
+	int i,j,n=14,count2=0,count=2;
+	printf("Enter the even no greater than 7 : ");
+	scanf("%d",&n);
+	if(n>7&&n%2==0)
+	{
+			system("cls");
+			for(i=1;i<n/2;i++)
+			{
+				for(j=1;j<n/2-i;j++)
+				printf(" ");
+				for(j=1;j<=4+count2;j++)
+				printf("*");
+				for(j=1;j<n-count;j++)
+				printf(" ");
+				count+=2;
+				for(j=1;j<=4+count2;j++)
+				printf("*");
+				count2+=2;
+				printf("\n");
+			}
+			count=0;
+		    for(i=0;i<=n;i++)
+		    {
+		    	for(j=1;j<=i;j++)
+		    	printf(" ");
+		    	for(j=1;j<=n*2+1-count;j++)
+		    	printf("*");
+		    	printf("\n");
+		    	count+=2;
+			}
+    }
+    else printf("Please enter correct input");
+}

Patterns/Interview-Patterns/pattern4.c

@@ -0,0 +1,17 @@
+#include<stdio.h>
+int main()
+{
+	int i,j,n=7;
+	for(i=0;i<n;i++)
+	{
+		for(j=0;j<n;j++)
+		{
+			if(i==0||j==0||i==n-1||j==n-1)
+			printf(" * ");
+			else if(i==j||j==(n-1-i))
+			printf(" * ");
+			else printf("   ");
+		}
+		printf("\n");
+	}
+}