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51. Program to display the contents of a file using command line
argument
52. Caclulate the age of a person after giving the date of
birth53. Cacluate the average marks of student looking at the
following table54. Cacluate the amount to be paid after giving the
total time.55. Program to convert upper case to lower case56.
Program to calculate the power of a number57. INSERT AN ELMENT IN
AN ARRAY AT DESIRED POSITION58. program to calculate the sum of the
following series
1 - x + x2/2! + x3/3! --------to nth term59. find the weekday of
a particular date(ex-6 sep 2010 (monday)60.Write a program to
convert given ip address 192.168.3.35 into
192.168.003.03561.Caclulate the net salary looking at the following
table62. Write a program to display : *
********
**********************
*** *
63. Write a program which will store roll name and age in
student structure andaddress telephone no. In address structure.
Implement the nested structure which
will store information of ten students and their address and
organize data in descending order by their roll no.
64. Write a program to store the information of student such as
roll, name and course to a file using read & write system
call.65. Write a program to count no. of paragraphs, lines, words
and characters present in a
file.----------------------------------------------Semester
Questions---------------------------------------------
66. Write a C program that will generate a table of values for
the equation;f(X,Y) = 2ex3 + (23 + Y) x Where 1 < x < 5 with
an increment 0.5 and 1 < y < 5 w
ith an increment 0.25.
67. Write a C program using a do while loop, to calculate the
sum of every thirdinteger, beginning with I = 2, for all values of
I that are less than 100.
68. Write a C program to solve a quadratic equation using switch
statement.
69. Write a C program that accepts a character as input data and
determine. If the character is an uppercase letter. An uppercase
letter is any character that is greater than or equal to `A' and
less than or equal to `Z'. If the entered character s an uppercase
letter, display the message The character just entered character
i
s an uppercase letter. If the entered character is not
uppercase, display the message The character just entered character
is not an uppercase letter.
70. To find the longest word and its length in a give
string.
71. Write program : To create data for 50 students ( roll, name,
mark 1, mark 2,mark 3, termmark ) and then find the total for each
student and average mark ofall students.72. Write Programs : To
round afloating point number to an indicate decimal place e. g.
17.457 will be rounded to 17.46 to two decimal places.
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73. Write a C program to create a file for RD account in a bank
assuming the file structure as RD account no, instalment amount and
number of instalments.74. Write a c program to open a file named
BPUT and write a line of text in it byreading the text from the key
board.
75. Declare a 2-dimensional array a of integers of size 4 x 4..
Treat it as matrix. Write a C program to test if this matrix is
symmetric.76. Write `C' program to read the contents of file, `f'
and paste the contents at the bginning of another file `f' without
taking help of any extra file77. To find the longest elements and
its location in 2-d array assuming elementsof the array are
distinet.* Program to read the current date and time
* Program to read all files from current directory* Program to
copy a file to another file* Program for file locking using flock*
Program for file linking
* Program for locking file using mutex* Program for locking file
using Semaphore
* Program for concurrent server on thread model
* Program for Client to concurrent server* Program for deamon
server
* Program to insert records in MYSQL* Program to retrive records
from MYSQL
*
------------------------------------------------------1. Program
to calculate the factorial of a numbermain(){ int x,n;
printf("Enter a number :"); scanf("%d",&n); x=fact(n);
printf("%d",x);}int fact(int n){ int f=1; while(n>0) { f=f*n;
n--; }
return f;}
2. Program to calculate the sum digits of a number
main(){ int x,n; printf("Enter a number :");
scanf("%d",&n);
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x=sum_digit(n); printf("%d",x);}int sum_digit(int n){ int s=0;
while(n>0) { s=s + n%10; n=n/10; } return s;}3. Program to
reverse a number
main(){ int x,n; printf("Enter a number :"); scanf("%d",&n);
x=reverse(n); printf("%d",x);}int reverse(int n)
{ int s=0; while(n>0) { s=s *10 + n%10; n=n/10; } return
s;}
4. Program to check the number is strong number or
not.main(){
int x,n; printf("Enter a number :"); scanf("%d",&n);
x=strong(n); if(x==n) printf("Strong"); else printf("Not
strong");}int strong(int n){ int s=0,r,f; while(n>0)
{ r=n%10; f=fact(r); s=s+f; n=n/10; } return s;}int fact(int
n){
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int f=1; while(n>0) { f=f*n; n--; } return f;}5. Program to
calculate the prime factors of a numbersmain(){ int x,n;
printf("Enter a number :"); scanf("%d",&n);
prime_factors(n);}int prime_factors(int n){ int i=1,k; while(i
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int sum=0,r; while(num!=0) { r=num%10; num=num/10;
sum=sum+(r*r*r); } return sum;}7. Program to check given number is
palendrome or notmain(){ int n,x; printf("Enter a number:");
scanf("%d",&n); x=palendrome(n); if(x==n) printf("Palendrome
"); else printf("Not palendrome ");}
int palendrome(int num){
int r=0; while(num>0) { r=r* 10 + num%10; num=num/10; }
return r;}8. Program to add between any two numbers using
loopmain(){
int x;int a,b;
printf("Enter any two numbers
:");scanf("%d%d",&a,&b);x=add(a,b);printf("%d ",x);
}int add(int a,int b){
while(a>0){
b++;a--;
}return b;
}9. Program to calculate daily expenditure if monthely
expenditure is given usingloop.main(){
int x,n;printf("Enter monthely expenditure
:");scanf("%d",&n);x=daily_exp(n);printf("%d ",x);
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}int daily_exp(int n){
int c=0;while(n>0){
c++;n=n-30;
}return c;
}
10. Program to count number of bits are set to 1 in an
integer.
main(){
int x,n;printf("Enter a number
:");scanf("%d",&n);x=bit_count(n);printf("%d ",x);
}
int bit_count(int n){int c=0;while(n>0){
c++;n=n&n-1;
}return c;
}11. Program to calculate G.C.D of any two numbersmain(){
int n1,n2,x; printf("Enter two numbers:");
scanf("%d%d",&n1,&n2); x=gcd(n1,n2); printf("%d ",x);}int
gcd(int n1,int n2){
while(n1!=n2) { if(n1>n2)
n1=n1-n2; else n2=n2-n1; } return n1;}12. Program to calculate
L.C.M of two numbers.main(){
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int n1,n2,x; printf("Enter two numbers:");
scanf("%d%d",&n1,&n2); x=lcm(n1,n2); printf("%d ",x);}int
lcm(int n1,int n2){ int x,y; x=n1,y=n2; while(n1!=n2) {
if(n1>n2) n1=n1-n2; else n2=n2-n1; } return x*y/n1;}13. Program
to calculate fibonacci seriesmain(){ int n; printf("Enter the
number range:");
scanf("%d",&n); fibo(n);}int fibo(int n){ int
i=0,j=1,k=2,r,f; printf("%d %d ", i,j); while(k
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{ temp=x[i]; x[i]=x[len-i-1]; x[len-i-1]=temp; }}15. Program to
check the number is Prime number or notmain(){ int n,k;
printf("Enter a number:");
scanf("%d",&n); k=check_prime(n); if(k==2) printf("Prime");
else printf("Not prime");}int check_prime(int n){ int i=1,c=0;
while(i
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big1 = un[0]; for ( i=1;i
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decimal_binary(n);
}int decimal_binary(int n){ int m,no=0,a=1,rem; m=n; while(n!=0)
{ rem=n%2; no=no+rem*a; n=n/2; a=a*10; } printf("%d",no);}20.
Program to convert binary to decimalmain(){ int n; printf("Enter
data in binary format :"); scanf("%d",&n);
binary_decimal(n);
}int binary_decimal(int n){ int j=1,rem,n1=0; while(n!=0) {
rem=n%10; n1=n1+rem*j; j=j*2; n=n/10; } printf("%d",n1);}
21. Program to check the number is perfect number or not.main(){
int n,x; printf("Enter a number:"); scanf("%d",&n);
x=check_perfect(n); if(x==n) printf("Perfect number :"); else
printf("Not a perfect number :");
}int check_perfect(int n){ int s=0,i=1; while(i
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return s;}22.Program to find generic root of a number.main(){
int n,k; printf("Enter a number"); scanf("%d",&n);
k=generic(n); printf("%d",k);}int generic(int n){ int sum,r;
if(n10) { sum=0; while(n!=0) { r=n%10; n=n/10; sum+=r;
} if(sum>10) n=sum; else break; } return sum;}
23. Program to check a year is leap year or not.main()
{ int year; printf("Enter the year :\n");
scanf("%d",&year);
if((year % 400==0 )|| ((year % 4==0)&& (year %100!=0)))
printf("Leap Year "); else printf("Not leap year");}
24. Program to revese a string
main(){
char x[100];printf("Enter a string
:");gets(x);strrev(x);printf("%s",x);
}int strrev(char *x){
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int len=strlen(x); int i; char temp; for(i=0;i
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printf("%c",x[len]); len--; }
}27. Program to count number of words,vowels,digits and space
present in string.main(){ int word=0,space=0,digit=0,vowels=0,i;
char x[100]; printf("Enter a string :"); gets(x);
for(i=0;i=48 && x[i]
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printf("\n"); }}
29. Program for multiplication between two matrixmain(){ int
a[3][3]={ 1,2,1, 1,2,2, 3,2,1 }; int b[3][3]={ 2,2,1, 1,1,1, 2,3,1
}; int c[3][3]; int i,j,k,sum=0; for(i=0;i
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{ printf("%d",b[i][j]); } printf("\n"); }
}32. Program to calculate Amicable pairs from 1 to 1000
#include "stdio.h"main(){ int n,k; int i=1,s1=0,s2=0;
for(k=1;k
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s = (a + b + c)/2; area =sqrt (s*(s-a)*(s-b)*(s-c));
printf("%lf",area);}
35. Program for Bubble sortmain(){ int a[5]={4,9,40,2,25}; int
i; bubble_sort(a); for(i=0;i
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{ int a[5]={4,9,40,2,25}; int i; insert_sort(a); for(i=0;i
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x[j]=temp; quick_sort(x,first,j-1); quick_sort(x,j+1,last);
}}
42. Binary Search using an Array
void main(){ int a[10],i,n,m,c=0,l,u,mid; printf("Enter the size
of an array->"); scanf("%d",&n); printf("\nEnter the
elements of the array->"); for(i=0;i
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mytime=localtime(&t);
dd=mytime->tm_mday;mm=mytime->tm_mon+1;yy=mytime->tm_year+1900;
printf("Enter birtd day,mon and year
:");scanf("%d%d%d",&bd,&bm,&by);
if(dd>=bd)nd=dd-bd;
elseif(mm==1 || mm==3 || mm==5 || mm==7 || mm==8 || mm==10 ||
mm==12){
dd=dd+31;nd=dd-bd;
}elseif(mm==4 || mm==6 || mm==9 || mm==11){
dd=dd+30;nd=dd-bd;
}else
if(mm==2){dd=dd+28;nd=dd-bd;
}if(mm>=bm){
nm=mm-bm;}else{
mm=mm+12;yy=yy-1;
nm=mm-bm;}ny=yy-by;printf("%d %d %d \n",ny,nm,nd);
}53. Cacluate the average marks of student looking at the
following table
p1 p2 p3 average Result>=60% first>=50 second>=40
third
avg=(p1+p2+p3)/3;
where p1,p2 and p3 >=30
main(){
int p1,p2,p3,avg;
printf("Enter Marks for p1 p2 & p3 :
");scanf("%d%d%d",&p1,&p2,&p3);
avg=(p1+p2+p3)/3;
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if(p1>=30 && p2>=30 && p3>=30){
if(avg>=60)printf("First\n");
elseif(avg>=50)
printf("Second\n");elseif(avg>=40)
printf("Third\n");else
printf("Failed\n");
}else
printf("Failed\n");}
54. Cacluate the amount to be paid after giving the total
time.
Time Amount
8 hours 100/-
Next 4 hours 20/- phNext 4 hours 30/- phNext 4 hours 40/- ph
main(){
int time,amt;printf("Enter Total Time
:");scanf("%d",&time);if(time==8)
amt=100;elseif(time>8 && time12 && time16
&& time
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printf("The string is->%s",str);
for(i=0;i=65&&str[i]
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scanf("%d",&serise);while(looptm_mon+1;yy=mytime->tm_year+1900;mytime->tm_hour
= 0;mytime->tm_min = 0;
mytime->tm_sec = 1;mytime->tm_isdst = -1;
printf("Enter the day,mon and year
:");scanf("%d%d%d",&dd,&mm,&yy);
if(mktime(mytime) == -1) fprintf(stderr, "Unkown -\n"); else
strftime(daybuf, sizeof(daybuf), "%A", mytime);
printf("It was a %s\n", daybuf);}
60.Write a program to convert given ip address 192.168.3.35 into
192.168.003.035
#includeint main(){
char input[16];char p[4][4];int i,a,b,len;int j,c;
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printf("pl enter any ip
address\n");scanf("%s",input);a=0;b=0;for(i=0;input[i];i++){
if(input[i]!=
.
)p[a][b++]=input[i];
else{
p[a][b]=0;a++;b=0;
}}p[a][b]=0;
for(a=0;a=0;j--)
p[a][j+3-len]=p[a][j];for(j=0;j=10000 200 300 100 ?>=500 100
100 100 ?
main(){
int basic,ta,da,pf,net;printf("Enter basic Salary
:");scanf("%d",&basic);if(basic>=20000){
ta=500;da=200;
pf=200;}elseif(basic>=10000){
ta=200;da=300;pf=100;
}else
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if(basic>=5000){
ta=100;da=100;pf=100;
}else{
printf("Invalid entry");exit(0);
}net=(basic+ta+da)-pf;printf("%d", net);
}
62. Write a program to display : *
********
**********************
***main()
{ int line,star=1,space,i,j,k;printf("Enter the no of line
:\n");scanf("%d",&line);printf("Enter the no of
space\n");scanf("%d",&space);for(i=0;i
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#define SIZE 3struct address{
char addr[30];long int phoneno;
};struct student{
char name[20];int roll;int age;struct address p;
}__attribute__((__packed__));
main(){
struct student details[SIZE],temp;int loop,outer,inner;
for(loop = 0;loop details[inner].roll){
temp = details[outer];details[outer] =
details[inner];details[inner] = temp;
}}
}printf("After Sorting\n");for(loop = 0;loop <
SIZE;loop++){
printf("%s\t%d\t%d\t%s\t%d\n",details[loop].name,details[loop].roll,details[loop].age,details[loop].p.addr,details[loop].p.phoneno);
}printf("\n");
}
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64. Write a program to store the information of student such as
roll, name and course to a file using read & write system
call.
#include "fcntl.h"#include "stdio.h"struct student{
char name[30];int roll;int age;
}__attribute__((__packed__));
main(){
int handlerStructure, numberOfStudent, loop;
handlerStructure = open("studentDetails.txt",O_RDWR);
printf("HOW MANY STUDENT
S INFORMATION :");scanf("%d",&numberOfStudent);struct
student details[numberOfStudent];
for(loop = 0;loop < numberOfStudent;loop++)
{ write(1,"ENTER NAME OF STUDENT :",strlen("ENTER NAME OF
STUDENT:"));
memset(details[loop].name,0,sizeof(details[loop].name));read(0,details[loop].name,sizeof(details[loop].name));
write(1,"ENTER THE ROLL NO. :",strlen("ENTER THE ROLL
NO.:"));
read(0,&details[loop].roll,sizeof(details[loop].roll));
write(1,"ENTER THE STUDENT S AGE :",strlen("ENTER THE STUDENT S
AGE :"));
read(0,&details[loop].age,sizeof(details[loop].age));
}
//write(handlerStructure,&details,sizeof(struct
student));
for(loop = 0;loop < numberOfStudent;loop++){
write(handlerStructure,&details[loop].name,strlen(details[loop].name));
write(handlerStructure,&details[loop].roll,sizeof(details[loop].roll));
write(handlerStructure,&details[loop].age,sizeof(details[loop].age));
}
loop =
0;while(read(handlerStructure,&details[loop],sizeof(struct
student))){
write(1,&details[loop].name,strlen(details[loop].name));write(1,&details[loop].roll,sizeof(details[loop].roll));write(1,&details[loop].age,sizeof(details[loop].age));loop++;
}}65. Write a program to count no. of paragraphs, lines, words
and characters pres
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ent in a file.
