Akhila 1.docx

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

36.Write a program to find square of a number using functions #include<stdio.h> int func(int); int main() { int no,square; printf("\n enter an no:"); scanf("\n %d",&no); square=func(no); clrscr(); printf("\n square of no is =%d",square); printf("\n APOORVA"); } int func(int temp) { return temp*temp; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

37.Write a program to swap two numbers using function (call by value) #include<stdio.h> void swap (int,int); int main() { int a,b; clrscr(); printf("\n enter any 2 numbers:"); scanf("%d %d",&a ,&b); printf("\n before swap value are: %d ,%d ,a,b"); swap(a,b); return 0; } void swap(int x,int y) { int z; z=x; x=y; y=z; printf("\n after swap value are : %d, %d,x,y"); printf("\n APOORVA"); }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

38.Write a program to find factorial of a number using functions

#include<stdio.h> long factorial (int); void main() { int n,c; long fact =1; clrscr(); printf("\n enter a number to calculate it's factorial"); scanf("%d",&n); for(c=1;c<=n;c++) fact=fact*c; printf("\n factorial of %d =%d",n,fact); printf("\n APOORVA"); return 0; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

39.Write a program to show a table of a number using functions #include<stdio.h> void main() { void table(); clrscr(); table(); getch(); } void table() { int n,i,r; printf("\n enter a no to know table:"); scanf("%d",&n); for (i=1;i<=10;i++) { r=n*i; printf("\n %d *%d =%d",n,i,r); } printf("\n APOORVA"); }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

40.Write a program to swap to numbers using call by reference #include<stdio.h> swap(int*,int*); int main() { int a,b; clrscr(); printf("\n enter value of a &b:"); scanf("%d %d",&a,&b); printf("\n before swapping :"); printf("\n a=%d b=%d",a,b); swap(&a,&b); printf("\n after swapping:"); printf("\n a=%d b=%d ",a,b); printf("\n APOORVA"); getch (); } swap(int*x,int*y) { int temp; temp=*x; *x=*y; *y=temp; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

41.Write a program to find largest of two numbers using functions #include<stdio.h> int findlargest(int a,int b) { if(a>b) { return a; } else { return b; } } int main() { int a,b,large; clrscr(); printf("\n enter two numbers:"); scanf("\n %d %d",&a,&b); large=findlargest(a,b); printf("\n largest is: %d", large); printf("\n APOORVA"); return 0; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

42.Write a program to find factorial of a number using recursion #include<stdio.h> int factorial(int); int main() { int num; int result; printf("enter a number to find it's factorial:"); scanf("%d",&num); if(num<0) { printf("\n factorial of negative number not possible"); } else { result=factorial(num); printf("\n the factorial of %d is %d",num,result); printf("\n APOORVA"); } return 0; } int factorial(int num) { if(num==0||num==1){return 1;} else { return(num*factorial(num-1));}}

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

43.Write a program to display fibonacci series using recursion #include<stdio.h> int fibo(int); int main() { int num; int result; clrscr(); printf("enter the nth number in fibonacci series:"); scanf("%d",&num); if(num<0){ printf("\n fibonacci of negative number is not possible:");} else { result =fibo(num); printf("\n the %d number in fibonacci series is %d ",num,result); printf("\n APOORVA");}return 0;} int fibo(int num){if(num==0){ return 0;} else if(num==1) { return 1; } else { return(fibo(num-1)+fibo(num-2)); } }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

44.Write a program to show sum of 10 elements of array & show the average #include<stdio.h> void main() { int a[10],i,sum=0; float av; clrscr(); printf("\n enter elements of an array"); for(i=0;i<10;i++) scanf("%d",&a[i]); for(i=0;i<10;i++) sum=sum+a[i]; printf("sum=%d",sum); av=sum/10; printf("average =%2f",av); printf("\n APOORVA"); getch(); }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

45. Write a program to find the maximum no in an array #include<stdio.h> int main() { int array[50],size,i,largest; printf("\n enter the size of the array:"); scanf("%d",&size); printf("\n enter the %d elements of the array:",size); for(i=0;i<size;i++) scanf("%d",&array[i]); largest=array[0]; for(i=1;i<size;i++) { if(largest<array[i]); largest=array[i]; } printf("\n largest element present in the given array is :%d",largest); printf("\n APOORVA"); return 0; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

46. Write a program to perform linear search #include<stdio.h> int main() { int array[100],search,c,n; clrscr(); printf("\n enter number of elements in array"); scanf("%d",&n); printf("\n enter %d integer (s)",n); for(c=0;c
APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

47.Writa a program to perform binary search #include<stdio.h> int main() { int c,first,last,middle,n,search,array[100]; clrscr(); printf("\n enter number of elements"); scanf("%d",&n); printf("\n enter %d integers ",n); for(c=0;clast) printf("\n not found! %d isn't present in the list ",search); printf("\n APOORVA"); return 0;}

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

48. Write a program to perform bubble sort #include<stdio.h> int main() { int array[100],n,c,d,swap; clrscr(); printf("\n enter number of elements"); scanf("%d",&n); printf("\n enter %d integers",n); for(c=0;carray[d+1]) { swap=array[d]; array[d]=array[d+1]; array[d+1]=swap; } } } printf("\n sorted list in ascending order:"); for(c=0;c
APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

49. Write a program to display a matrix #include<stdio.h> int main() { int i,j,m,n; int matrix[10][20]; clrscr(); printf("\n enter number of rows :"); scanf("%d",&m); printf("enter number of columns:"); scanf("%d",&n); for(i=0;i<m;i++) { for(j=0;j
APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

50. Write a program to find the sum of two matrices #include<stdio.h> void main() { int a[3][2]={ {1,0}, {0,1}, {1,0} }; int b[3][2]={ {0,1}, {1,0}, {0,1} }; int c[3][2]; int i,j; for(i=0;i<=2;i++) { printf("\n"); for(j=0;j<=1;j++) { c[i][j]=a[i][j]+b[i][j]; printf("%d \t",c[i][j]); } } printf("\n APOORVA"); getch(); }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

51.write a program to find the subtraction of matrix #include<stdio.h> void main() { int a[3][2]={ {1,0}, {0,1}, {1,0} }; int b[3][2]={ {0,1}, {1,0}, {0,1} }; int c[3][2]; int i,j; for(i=0;i<=2;i++) { printf("\n"); for(j=0;j<=1;j++) { c[i][j]=a[i][j]-b[i][j]; printf("%d \t",c[i][j]); } } printf("\n APOORVA"); getch(); }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

52. Write a program to find the multiplication of a matrix #include<stdio.h> int main() { int m,n,p,q,c,d,k,sum=0; int first[10][10],second[10][10],multiply[10][10]; printf("\n enter the number of rows and column of first matrix "); scanf("%d %d ",&m,&n); printf("\n enter elememts of first matrix"); for(c=0;c<m;c++) for(d=0;d
APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

53. Write a program to find the transpose a matrix #include<stdio.h> int main() { int a[10][10],transpose[10][10],r,c,i,j; clrscr(); printf("enter rows and columns of matrix :"); scanf("%d %d ",&r,&c); printf("\n enter elements of matrix :"); for(i=0;i
APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

54. Write a program to add to number using pointer #include<stdio.h> int main() { int first ,second ,*p,*q,sum; clrscr(); printf("\n enter two integers to add"); scanf("%d %d ",&first,&second); p=&first; q=&second; sum=*p+ *q; printf("\n sum of the numbers =%d",sum); printf("\n APOORVA"); return 0; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

55. Write a program to find maximum number in array using pointer #include<stdio.h> int main() { int array[100],maximum,size,c,location=1; clrscr(); printf("\n enter the number of elememts in array"); scanf("%d ",&size); printf("\n enter %d integers",size); for(c=0;c<size;c++) scanf("%d",&array[c]); maximum=array[0]; for(c=1;c<size;c++) { if(array[c]>maximum) { maximum=array[c]; location=c+1; } } printf("\n maximum elements is present at location %d and it's value is %d",location,maximum); printf("\n APOORVA"); return 0; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

56. Write a program to reverse a number using pointer #include<stdio.h> void main() { int n,reverse=0; clrscr(); printf( "\n enter a number to reverse "); scanf("%d ",&n); while(n!=0) { reverse=reverse*10; reverse=reverse+n%10; n=n/10; } printf("\n reverse of entered number is=%d",reverse); printf("\n APOORVA"); return 0; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

57. Write a program to show input and output operations using string library functions #include<stdio.h> int main() { char name [30]; clrscr(); printf("\n enter name :"); gets(name); printf("\n name:"); puts(name); printf("\n APOORVA"); return 0; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

58. Write a program to find whether a string is palindrome or not #include<stdio.h> #include<string.h> int main() { char a[100],b[100]; clrscr(); printf("\n enter a string to check if it is a palindrome"); gets(a); strcpy(b,a); strrev(b); if(strcmp(a,b)==0) printf("\n the string is a palindrome"); else printf("\n the string isn't a palindrome "); printf("\n APOORVA"); return 0; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

59. Write a program to concatenate two strings #include<stdio.h> #include<string.h> void main() { char str1[]="APOORVA"; char str2[]="TYAGI"; strcat(str1,str2); clrscr(); printf(str1,str2); printf("\n APOORVA"); getch(); }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

60. Write a program to find length of the string #include<stdio.h> #include<string.h> void main() { char str[]="HELLO"; int i; i=strlen(str); printf("%d",i); printf("\n APOORVA"); }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

61. Write a program to enter book record #include<stdio.h> struct book { char name[10]; int price; float page; } b [10]; int main() { printf("\n enter record "); scanf("%c %d %f" ,&b[10].name ,&b[10].price,&b[10].page); printf("%c %d %f ",&b[10].name,&b[10].price,&b[10].page); printf("\n APOORVA"); }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

62. Write a program to enter student record (name, roll no, course) #include<stdio.h> struct student { char name[50]; int roll; char course; } s; int main() { printf("\n enter information "); printf("\n enter name:"); scanf("%s",s.name); printf("\n enter roll no:"); scanf("%d",&s.roll); printf("\n enter course:"); scanf("%s",s.course); printf("\n displaying information:"); printf("\n name,course"); puts(s.name); puts(s.course); printf("\n roll no: %d",s.roll); printf("\n APOORVA"); return 0; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

63. Write a program to show the use of enum data type #include<stdio.h> enum week{sunday,monday,tuesday,wednesday,thrusday,friday,saturday}; int main() { enum week today; today=wednesday; printf(" day %d",today+1); printf("\n APOORVA"); return 0; }

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

64.program to create a file and write content in file #include<stdio.h> #include<string.h> int main(){ FILE *fp; clrscr(); fp=fopen("iitm.txt","w"); putc('a',fp); putc('b',fp); putc('c',fp); printf("%c",getc(fp)); printf("%c",getc(fp)); printf("%c",getc(fp)); fclose(fp); printf("\n APOORVA"); return 0;}

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

65 .program to display content of file on screen #include<stdio.h> #include<string.h> int main() {

FILE *fp; clrscr(); fp=fopen("iitm.txt","r"); if(fp==NULL){

printf("\n no such files"); exit(0); }

else{ printf("%c",getc(fp)); printf("%c",getc(fp)); printf("%c",getc(fp));} fclose(fp); return 0;}

APOORVA TYAGI

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT

66.program to copy the content of one file into another file using command line arguments #include<stdio.h> #include int main(int argc,char*argv[]) { FILE*fp1,*fp2; char ch; clrscr(); if(argc!=3) { printf(" insufficient argument"); exit(0); } fp1=fopen(argv[1],"r"); fp2=fopen(argv[2],"w"); if(fp1==NULL||fp2==NULL) { printf("unable to open file"); exit(0); } while(!feof(fp1)) { ch=fgetc(fp1); fputc(ch,fp2); }

APOORVA TYAGI printf("file successfully copied"); fclose(fp1); fclose(fp2); return 0; }

INSTITUTE OF INNOVATION IN TECHNOLOGY AND MANAGEMENT