calc

Task 2/IIT2025217/ASCII_box.c

@@ -0,0 +1,19 @@
+#include<stdio.h>
+#include<string.h>
+
+int main(){
+	char phrase[100];
+	scanf("%s",phrase);
+	int x=strlen(phrase);
+	for(int i=0;i<x+4;i++){
+		printf("*");
+	}
+	printf("\n* %s *\n",phrase);
+	for(int i=0;i<x+4;i++){
+		printf("*");
+	}
+	printf("\n");
+
+	return 0;
+}
+

Task 3/Q1/iit2025217/calculator.txt

@@ -0,0 +1,2 @@
+ calc is a device used to calc eqns 
+ they are used for addition, subtaction, division, etc.

Task 3/Q2/IIT2025217/calcode.c

@@ -0,0 +1,27 @@
+#include<stdio.h>
+int mian(){
+	float a,b;
+	printf("1.Add/n`2.Sub/n4.Mult/n5.Div/n");
+	int c;
+	scanf("%d",c);
+	printf("Enter the two numbers:/n");
+	scanf("%f%f,&a&b");
+
+	switch (c){
+		case 1: printf("%f/n",a+b);
+			break;
+		case 2: printf("%f/n",a-b);
+			break;
+		case 3: printf("%f/n",a*b);
+			break;
+		case 4: if(b==0){
+				printf("Invalid/n");
+			}
+			else{
+				printf("%f/n",a/b);
+			}
+			break;
+
+	}
+	return 0;
+}

Task 3/Q3/iit2025217/armstrong.c

@@ -0,0 +1,26 @@
+#include<stdio.h>
+#include<math.h>
+int main(){
+	int n;
+	printf("enter no: ");
+	scanf("%d",&n);
+	int i=1,m=n;
+	while(m!=0){
+		m=m/10;
+		i++;
+	}
+	int sum=0;
+	m=n;
+	while(n!=0){
+		sum+=pow((n%10),i);
+		n=n/10;
+	}
+	if(m==sum){
+		printf("ARmstrong\n");
+	}
+	else{
+		printf("not armstrong\n");
+	}
+	return 0;
+}
+

Task 3/Q4/iit2025217/palindrome.c

@@ -0,0 +1,20 @@
+#include<stdio.h>
+#include<string.h>
+int main(){
+	char str[50];
+	scanf("%s",str);
+	int flag=0, n=strlen(str);
+	for(int i=0;i<n;i++){
+		if(str[i]!=str[n-i-1]){
+			flag =1;
+			break;
+		}
+	}
+	if(flag==1){
+		printf("not palindrome\n");
+	}
+	else{
+		printf("palindrome\n");
+	}
+	return 0;
+}