Question 1://TO PRINT HELLO WORLD USING DIFFERENT ESCAPE SEQUENCES#include<stdio.h>#include<conio.h>void main(){clrscr();printf("Hello World\n");printf("'Hello World'\n");printf("Hello\tWorld\n");printf("\"Hello World\"");getch();}

Question 2://TO USE DIFFERENT DATA TYPES IN A PROGRAM AND TO PRINT ITS VALUE#include<stdio.h>#include<conio.h>void main(){int i=12;float g=12.098732;double h=12.9859859393;char a='b';clrscr();printf("i=%d\n",i);printf("g=%f\n",g);printf("h=%.10lf\n",h);printf("a=%c",a);getch();}

Question 3:#include<stdio.h>#include<conio.h>void main(){int i=12;clrscr();printf("i=%d %d",i,sizeof(i));getch();}

Question 4:#include<stdio.h>#include<conio.h>void main(){int a,b;clrscr();printf("Enter Two Numbers=");

scanf("%d %d",&a,&b);printf("Addition=%d\n",a+b);printf("Subtraction=%d\n",a-b);printf("Multiplication=%d\n",a*b);printf("Division Quotient=%d\n",a/b);printf("Remainder=%d\n",a%b);getch();}

Question 5:#include<stdio.h>#include<conio.h>void main(){int a,b;clrscr();printf("Enter Two Numbers=");scanf("%d %d",&a,&b);//Logical Operatorsprintf("L_AND=%d\n",a&&b);printf("L_OR=%d\n",a||b);//Bitwise Operatorsprintf("B_AND=%d\n",a&b);printf("B_OR=%d\n",a|b);getch();}

Question 6://Vowel Recogination#include<stdio.h>#include<conio.h>void main(){char ch;clrscr();printf("Enter a character:");scanf("%c",&ch);if((ch=='a')||(ch=='A')||(ch=='e')||(ch=='E')||(ch=='i')||(ch=='I')||(ch=='o')||(ch=='O')||(ch=='u')||(ch=='U'))printf("Character is a vowel");elseprintf("Character is not a vowel");getch();}

Question 7:#include<stdio.h>#include<conio.h>//Recogination of Alphabets,Digits and other charactersvoid main(){

int a=1;char ch;clrscr();while(a<=4){a++;printf("\nEnter a character:");scanf("%c",&ch);if(ch>='a'&&ch<='z')printf("\nYou have entered a lowercase alphabet");else if(ch>='A'&&ch<='Z')printf("\nYou have entered an uppercase alphabet");else if(ch>='0'&&ch<='9')printf("\nYou have entered a single digit");elseprintf("\nYou have entered other special characters");fflush(stdin);}getch();}

Question 8:#include<stdio.h>#include<conio.h>//Recogination of Vowelsvoid main(){char ch;clrscr();printf("Enter any character:");scanf("%c",&ch);switch(ch){ case 'a': case 'A': case 'e': case 'E': case 'i': case 'I': case 'o': case 'O': case 'u': case 'U': printf("Character entered is a vowel");break; default : printf("Character entered is not a vowel");}getch();clrscr();}

#include<stdio.h>

Question 9:#include<conio.h>void main(){int c,r,n=5;clrscr();for(r=5;r>=1;r--){for(c=1;c<=n;c++) {if(c<=r) {printf(" "); } else {printf("1 "); } } printf("\n");}getch();}

Question 10:#include<stdio.h>#include<conio.h>void main(){int i,a=1;clrscr();while(a<=2){a++;printf("Enter a number corresponding to days of a week starting from monday as 1:");scanf("%d",&i);switch(i){ case 1: printf("\nMonday\n");break; case 2: printf("\nTuesday\n");break; case 3: printf("\nWednesday\n");break; case 4: printf("\nThursday\n");break; case 5: printf("\nFriday\n");break; case 6: printf("\nSaturday\n");break; case 7: printf("\nSunday\n");break; default : printf("\nNo days corresponding to number\n");}fflush(stdin);}getch();}

Question 11:#include<stdio.h>

#include<conio.h>void main(){int c,r;clrscr();for(r=1;r<=5;r++){for(c=1;c<=r;c++){printf("%d",r);}printf("\n");}getch();}

Question 12:#include<stdio.h>#include<conio.h>void main(){char c,r;clrscr();for(r='a';r<='e';r++){for(c='a';c<=r;c++) {printf("%c",r); }}printf("\n");getch();}

Question 13:#include<stdio.h>#include<conio.h>void main(){char c='a',r;clrscr();for(r='a';r<='e';r++){for(c='a';c<=r;c++) {printf("%c",c); } printf("\n");}getch();}

Question 14:#include<stdio.h>

#include<conio.h>void main(){int c,r;clrscr();for(r=1;r<=5;r++){for(c=1;c<=r;c++) {printf("%d",c); } printf("\n");}getch();}

Question 15:#include<stdio.h>#include<conio.h>void main(){int c,r;clrscr();for(r=1;r<=4;r++){for(c=1;c<=r;c++) {if(c%2==0) {printf("0 "); } else {printf("1 "); } } printf("\n");}getch();}

Question 16:#include<stdio.h>#include<conio.h>void main(){int c,r,n=5;clrscr();for(r=5;r>=1;r--){for(c=1;c<=n;c++) {if(c<=r) {printf(" "); } else {printf("1 ");

} } printf("\n");}getch();}

#include<stdio.h>#include<conio.h>void main(){int i,j,n=5;char k='a',m;clrscr();for(i=5;i>=1;i--){m=k; for(j=1;j<=n;j++) {if(j<i) printf(" "); else {printf("%c",m--); } } printf("\n"); k++;}getch();}

#include<stdio.h>#include<conio.h>void main(){int a,b;clrscr();printf("Enter two numbers:");scanf("%d%d",&a,&b);a=a+b;b=a-b;a=a-b;printf("\nAfter Swaping\n");printf("a=%d & b=%d",a,b);getch();}

#include<stdio.h>#include<conio.h>void main(){int age,b;clrscr();

b=0;while(b<4){printf("Enter your age:\n");scanf("%d",&age);{if(age<18)printf("Minor\n");else if(age<60)printf("Adult\n");elseprintf("Senior Citizen\n");}b++;}getch();}

#include<stdio.h>#include<conio.h>void main(){int age,b;clrscr();b=0;while(b<4){printf("Enter your age:\n");scanf("%d",&age);printf("%s\n",age<18?"Minor":age<60?"Adult":"Senior Citizen");b++;}getch();}

#include<stdio.h>#include<conio.h>void main(){long int num,fact=1,temp;int b;clrscr();b=0;while(b<3){printf("\nEnter a number:");scanf("%ld",&num);temp=num;while(num>0){fact=fact*num;num--;

}b++;printf("\nFactorial of the number is:%ld!=%ld\n",temp,fact);temp=0;num=0;}getch();}

#include<stdio.h>#include<conio.h>void main(){long int num,fact=1,temp;clrscr();printf("\nEnter a number:");scanf("%ld",&num);temp=num;while(num>0){fact=fact*num;num--;}printf("\nFactorial of the number is:%ld!=%ld",temp,fact);getch();}

#include<stdio.h>#include<conio.h>void main(){int i,j,r,num,p,sum=0,a,count,temp;clrscr();printf("To check whether any number is an Armstrong Number or not");printf("\nEnter a Number:");scanf("%d",&num);count=0;a=num;while(a!=0){/* When (a/10==0)count is calculated*/a=a/10;count+=1;}printf("\nNo. of digit/s is/are:%d",count);temp=num;while(num>0){r=num%10;num=num/10;

p=1;for(j=0;j<count;j++) { p=p*r; }sum+=p;}printf("\nSum=%d",sum);if(sum==temp){printf("\nIt is an Armstrong number");}else{printf("\nIt is not an Armstrong number");}getch();}

#include<stdio.h>#include<conio.h>#include<math.h>int calsum(int x,int y,int z);int product(int x,int y,int z);unsigned int power(int x,int y,int z);unsigned int sum(int x,int y);unsigned int powern(int x,int y,int z);unsigned int differn(int x,int y);int main(){int a,b,c,sum,prod,powr,differ;clrscr();printf("Enter Three Numbers:");scanf("%d%d%d",&a,&b,&c);sum=calsum(a,b,c);prod=product(a,b,c);powr=power(a,b,c);differ=powern(a,b,c);printf("Sum=%d\nProduct=%d\n(a+b)^c=%u\n(a-b)^c=%u",sum,prod,powr,differ);getch();return 0;}int calsum(int x,int y,int z){int d;d=x+y+z;return (d);}int product(int x,int y,int z){int e;e=x*y*z;

return (e);}unsigned int power(int x,int y,int z){unsigned int f,g;f=sum(x,y);g=pow(f,z);printf("f=%u\tg=%u\n",f,g);return (g);}unsigned int powern(int x,int y,int z){unsigned int f,g;f=differn(x,y);g=pow(f,z);printf("f=%u\tg=%u\n",f,g);return (g);}unsigned int sum(int x,int y){unsigned int h;h=x+y;printf("h=%u\n",h);return (h);}unsigned int differn(int x,int y){unsigned int h;h=x-y;printf("h=%u\n",h);return (h);}

#include<stdio.h>#include<conio.h>void main(){int i,j,n=5;char k='a',m;clrscr();for(i=5;i>=1;i--){m=k; for(j=1;j<=n;j++) {if(j<i) printf(" "); else {printf("%c",m--); } } printf("\n");

k++;}getch();}

#include<stdio.h>#include<conio.h>void main(){int i,j,k=1;clrscr();for(i=1;i<=5;i++){for(j=1;j<=i;j++) {if(k<10) {printf("%d",k); k++; } else {printf("%d",k%10); k++; } } printf("\n");}getch();}

#include<stdio.h>#include<conio.h>void main(){int c,a=1;double i,j;clrscr();while(a<=2){a++;printf("\nEnter two numbers:");scanf("%lf%lf",&i,&j);printf("\n 1. Addition");printf("\n 2. Subtraction");printf("\n 3. Multiplication");printf("\n 4. Division");printf("\n Enter your operator as per no.:");scanf("%d",&c);switch(c){ case 1: printf("\nAddition=%lf",i+j);break; case 2: printf("\nSubtraction=%lf",i-j);break; case 3: printf("\nMultiplication=%lf",i*j);break;

case 4: printf("\nDivision=%lf",i/j);break;}fflush(stdin);}getch();}

#include<stdio.h>#include<conio.h>void main(){int a,b,p=1,i;clrscr();printf("Enter the value of a:\n");scanf("%d",&a);printf("Enter the value of b:\n");scanf("%d",&b);for(i=1;i<=b;i++){p=p*a; } printf("\n 'a' raised to power 'b' is %d",p);getch();}

#include<stdio.h>#include<conio.h>void main(){int a,b,sum=0;clrscr();printf("Enter the number upto which odd numbers must be displayed:");scanf("%d",&b);for(a=1;a<=b;a++){ if(a%2==0); else {printf("\n%d",a); sum+=a;} } printf("\n Sum of the above numbers is %d",sum);getch();}

#include<stdio.h>#include<conio.h>void main(){int n,c,k,space,count=1;clrscr();printf("Enter no. of rows:");

scanf("%d",&n);space=n;for(c=1;c<=n;c++){for(k=1;k<=space;k++) printf(" "); for(k=1;k<=c;k++) {printf("*"); if(c>1&&count<c) {printf("?"); count++; } } printf("\n"); space++; count=1;}getch();}

#include<stdio.h>#include<conio.h>void main(){int c,r,n=1;clrscr();for(r=1;r<=5;r++){for(c=1;c<=r;c++) {printf("%d ",n%10); n+=(5-c)%10; } n=r+1; printf("\n");}getch();}

#include<stdio.h>#include<conio.h>void main(){int c,r,n;clrscr();n=5;for(r=1;r<=5;r++){for(c=1;c<r;c++) printf(" "); for(c=1;c<=2*n-1;c++) {if((c+r)%2==0) printf("* "); else printf("? ");

} n--; printf("\n");}getch();}

#include<stdio.h>#include<conio.h>void main(){int n=5,c,r,k,temp=5;clrscr();for(c=1;c<=5;c++){for(r=1;r<temp;r++) printf(" "); temp--; k=c; for(r=1;r<=2*c-1;r++) { if(r<=c) printf("%d ",r); else {printf("%d ",k-1); k--; } } printf("\n");}for(c=1;c<=4;c++){n=c; for(r=1;r<=n;r++) printf(" "); n++; k=c; for(r=1;r<=2*(5-c)-1;r++) {if(r<=5-c) printf("%d ",r); else {printf("%d ",5-k-1); k++;} } printf("\n"); }getch();}

#include<stdio.h>#include<conio.h>void main()

{int c,r;clrscr();for(r=1;r<=5;r++){if(r==1||r==5) {for(c=1;c<=5;c++) printf("* "); } else {for(c=1;c<=5;c++) {if(c==1||c==5) printf("* "); else printf(" "); } } printf("\n");}getch();}

#include<stdio.h>#include<conio.h>void main(){int c,r,n,k,x=121;clrscr();n=5;for(r=1;r<=5;r++){for(c=1;c<=n;c++) printf(" "); n--; for(c=1;c<=r;c++) {printf(" %c",x+c); } k=122; for(c=1;c<r;c++) {printf(" %c",k-1); k--; } x--; printf("\n");}getch();}

#include<stdio.h>#include<conio.h>void main()

{int a[5],r,c,sum=0;float avg;clrscr();for(r=0;r<5;r++){printf("Enter a number:"); scanf("%d",&a[r]); }for(c=0;c<5;c++) sum+=a[c];avg=sum/5;printf("Sum=%d\n",sum);printf("Average=%f",avg);getch();}

#include<stdio.h>#include<conio.h>void main(){int a[100],n,r,c,w;int *v;clrscr();printf("Enter the number of values you wish to enter:");scanf("%d",&w);printf("Enter the numbers:");for(r=0;r<w;r++){scanf("%d",&a[r]);}printf("Enter the number to be searched:");scanf("%d",&n);for(c=0;c<w;c++){ if(n==a[c]) {v=&a[c]; printf("The number searched by you is: %d which is at the position: %d",*v,w); } else if(c<w-1) continue; else printf("Number not found"); }getch();}

#include<stdio.h>#include<conio.h>#define size 6void main()

{int a[size],r,c,k,m,b=1;clrscr();printf("Enter numbers:");for(r=0;r<size;r++){scanf("%d",&a[r]); }for(c=0;c<size;c++){printf("Pass %d:",b); b++; for(k=0;k<size-1;k++) {if(a[k]>a[k+1]) {int m; m=a[k]; a[k]=a[k+1]; a[k+1]=m; } } for(k=0;k<size;k++) { printf("%d ",a[k]); } printf("\n"); }getch();}

//SELECTION SORTING#include<stdio.h>void main(){int a[100],n,c,d,position,swap;clrscr();printf("Enter number of elements:");scanf("%d",&n);printf("Enter %d integers:",n);for(c=0;c<n;c++){scanf("%d",&a[c]); }for(c=0;c<n-1;c++){position=c; {for(d=c+1;d<n;d++) {if(a[position]>a[d]) position=d;} } {if(position!=c) {swap=a[c]; a[c]=a[position]; a[position]=swap;}

} } printf("Sorted list in ascending order:\n"); for(c=0;c<n;c++) { printf("%d \n",a[c]); }getch();}

//BINARY SEARCH#include<stdio.h>#include<conio.h>void main(){int a[5],n,c,mid,max=5,min=0,d;clrscr();printf("Enter 5 integers in ascending order:");for(c=0;c<5;c++){scanf("%d",&a[c]);}printf("Enter integer to search:");scanf("%d",&n);mid=(min+max)/2;while(n>a[mid]&&n<a[max]) {min=mid+1; mid=(min+max)/2;}while(n<a[mid]&&n>a[min]) {max=mid-1; mid=(min+max)/2;}if(n==a[mid]||n==a[min]||n==a[max-1]||n==a[max]) printf("Number found\n");else printf("Number not found");getch();}