Some questions related to C Language.

Some questions related to C language Download All Code 1. Write a program to print your name on the screen ? #include<stdio.h> int ma...

Some questions related to C language

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1. Write a program to print your name on the screen ?

#include<stdio.h> int main(){ printf("Suresh Yadav"); return 0; }

2. WAP to display a number from user ?

#include<stdio.h> int main() { int a; printf("Enter a number: "); scanf("%d",&a); printf("The entered number is %d",a); return 0; }

3. WAP to display name and address from user ?

#include<stdio.h> int main() { char name[20]; char address[10]; printf("Enter your first name: "); scanf("%s",&name); printf("Enter your address: "); scanf("%s",&address); printf("Name = %s\n",name); printf("Address = %s",address); return 0; }

4. WAP to convert kilometer into meter ?

#include<stdio.h> int main() { int km,result; printf("Enter the length in kilometer: "); scanf("%d",&km); result=km*1000; printf("%d kilometer = %d meter",km,result); return 0; }

5. WAP to print multiplication table ?

#include<stdio.h> int main() { int a,i,result; printf("Enter any number:"); scanf("%d",&a); printf("The multiplication table of %d is given below:",a); for(i=1;i<=10;i++) { result=a*i; printf("\n%d * %d = %d",a,i,result); } return 0; }

6. WAP using If else statement ?

#include<stdio.h> int main() { int age; printf("Enter your age: "); scanf("%d",&age); if(age<18) { printf("You are not eligible to cast vote."); } else { printf("You are eligible to cast vote."); } return 0; }

7. WAP to calculate percentage ?

#include<stdio.h> int main() { float obt,tot,percentage; printf("Enter the total marks: "); scanf("%f",&tot); printf("Enter your obtained marks: "); scanf("%f",&obt); percentage=(obt/tot)*100; printf("Congratulation, you have obtained %f\%",percentage); return 0; }

8. Input total marks and obtained marks from user then find his/her percentage and print the information if s/he has obtained percentage :
Above 90 - Outstanding
80-90    - Distinction
60 - 80   - First Division
45-60    - Second  Division
32-45     - Third Division
Below 32  -  Better for next time

#include<stdio.h> int main() { float obt,tot,percentage; float GPA; printf("Enter total marks: "); scanf("%f",&tot); printf("Enter your obtained marks: "); scanf("%f",&obt); percentage=(obt/tot)*100; printf("You have got %f percent\n",percentage); if(percentage>=90) { printf("Outstanding"); } else if(percentage>80 && percentage<=90) { printf("Distinction"); } else if(percentage<80 && percentage>=60) { printf("First Division"); } else if(percentage<60 && percentage>40) { printf("Second Division"); } else if(percentage<45 && percentage>=32) { printf("Third Division"); } else { printf("You have got a chance to give exam again"); } GPA=percentage/25; printf("\nGPA = %f",GPA); return 0; }

9. WAP to find area of rectangle, circle, cube and sphere ?

#include<stdio.h> #include<conio.h> int main() { int length,breadth,area,ch; float result,radius; do{ printf("1.Rectangle\n2.Circle\n3.Cube\n4.Sphere\n"); printf("Enter your choice: "); scanf("%d",&ch); if(ch==1) { printf("Enter length: "); scanf("%d",&length); printf("Enter breadth: "); scanf("%d",&breadth); area=length*breadth; printf("The area is %d",area); } else if(ch==2) { printf("Enter the radius of circle: "); scanf("%f",&radius); result=3.14*radius*radius; printf("The area of circle is %f",result); } else if(ch==3) { printf("Enter the length of cube: "); scanf("%d",&length); area=6*length*length; printf("The area of cube is %d",area); } else if(ch==4) { printf("Enter the radius of sphere: "); scanf("%f",&radius); result=4*3.14*radius*radius; printf("The area of sphere is %f",result); } else { printf("Invalid choice..."); } getch(); system("cls"); } while(1!=0); return 0; }

10. WAP to calculate simple interest ?

#include<stdio.h> int main() { float p,t,r,sI; printf("Enter the principle: "); scanf("%f",&p); printf("Enter the time: "); scanf("%f",&t); printf("Enter the rate: "); scanf("%f",&r); sI=(p*t*r)/100; printf("Simple Interest is %f",sI); return 0; }

11. WAP to find odd or even number ?

#include<stdio.h> int main() { int a; do{ printf("Enter a number: "); scanf("%d",&a); if(a%2==0) { printf("%d is even number.",a); } else { printf("%d is odd number.",a); } printf("\n\n"); } while(0!=1); return 0; }

12. WAP to find positive or negative number ?

#include<stdio.h> int main() { int a; printf("Enter a number: "); scanf("%d",&a); if(a<0) { printf("%d is negetive number.",a); } else if(a>0) { printf("%d is positive number.",a); } else { printf("The given number is O"); } return 0; }

13. WAP to print the sum of n numbers ?

#include<stdio.h> int main() { int n,i,sum=0; printf("Enter a number to findout the sum of its N number: "); scanf("%d",&n); for(i=1;i<=n;i++) { sum=sum+i; } printf("The sum of first Nth term is %d",sum); return 0; }

14. WAP to make calculator ?

#include<stdio.h> int main() { int num1,num2,result; char op; printf("Enter first number: "); scanf("%d",&num1); printf("Enter the operation: "); scanf(" %c",&op); printf("Enter the second number: "); scanf("%d",&num2); switch(op) { case '+':result=num1+num2; break; case '-':result=num1-num2; break; case '*':result=num1*num2; break; case '/':result=num1/num2; break; default: printf("Invalid operator"); break; } printf("The result is %d",result); return 0; }

15. WAP to print reverse number ?

#include<stdio.h> int main() { int n,sum=0,a,b; printf("Enter the number to reverse: "); scanf("%d",&n); while(n!=0) { a=n%10; sum=sum*10+a; n=n/10; } printf("The reverse of %d is %d",n,sum); return 0; }

16. WAP to find armstrong number ?

#include<stdio.h> int main() { int n,temp,result=0,cube,a; printf("Enter a number: "); scanf("%d",&n); temp=n; while(n!=0) { a=n%10; cube=a*a*a; result=result+cube; n=n/10; } if(result==temp) { printf("The number %d is armstrong number.",temp); } else { printf("The number %d is not armstrong number.",temp); } return 0; }

17. WAP to find pallindrome number ?

#include<stdio.h> int main() { int n,temp,sum=0,a; printf("Enter a number: "); scanf("%d",&n); temp=n; while(n!=0) { a=n%10; sum=sum*10+a; n=n/10; } if(sum==temp) { printf("The number %d is pallindrome number.",temp); } else { printf("The number %d is not pallindrome number.",temp); } return 0; }

18. WAP to show factorial number ?

#include<stdio.h> int main() { int n,i,result=1; printf("Enter a number: "); scanf("%d",&n); for(i=1;i<=n;i++) { result=result*i; } printf("The factorial number of %d is %d",n,result); return 0; }

19. WAP to show whether the given number is prime or composite ?

#include<stdio.h> int main() { int n,count=0,i; printf("Enter a number: "); scanf("%d",&n); for(i=1;i<=n;i++) { if(n%i==0) { count++; } } if(count==2) { printf("%d is prime number.",n); } else { printf("%d is composite number.",n); } return 0; }

20. WAP to print all odd numbers upto n number ?

#include<stdio.h> int main() { int a,i,ch; printf("1. Odd number\n2. Even number\n"); printf("Enter your choice: "); scanf("%d",&ch); if(ch==1) { printf("Enter a number to show odd numbers till: "); scanf("%d",&a); for(i=1;i<=a;i=i+2) { printf("%d\t",i); } } else if(ch==2) { printf("Enter a number to show odd numbers till: "); scanf("%d",&a); for(i=2;i<=a;i=i+2) { printf("%d\t",i); } } else { printf("Invalid choice."); } return 0; }

21. WAP to find the day of entered number ?
For eg: 1 - Sunday
             2 - Monday
                         ……..
                         ……..
                          7 - Saturday

#include<stdio.h> int main() { int a; printf("Enter the number of day: "); scanf("%d",&a); switch(a) { case 1:printf("Sunday"); break; case 2:printf("Monday"); break; case 3:printf("Tuesday"); break; case 4:printf("Wednesday"); break; case 5:printf("Thursday"); break; case 6:printf("Friday"); break; case 7:printf("Saturday"); break; default:printf("Invalid choice"); break; } return 0; }

22. WAP to print given pattern using loop ?
1
1  2
1  2  3
1  2  3  4
1  2  3  4  5

#include<stdio.h> int main() { int i,j; for(i=1;i<=5;i++) { for(j=1;j<=i;j++) { printf("%d",j); } printf("\n"); } return 0; }

23.  1
  2  2
  3  3  3
 4  4  4  4
  5  5  5  5  5

#include<stdio.h> int main() { int i,j; for(i=1;i<=5;i++) { for(j=1;j<=i;j++) { printf("%d",i); } printf("\n"); } return 0; }

 24. 5  5  5  5  5
  4  4  4  4
  3  3  3
  2  2
  1

#include<stdio.h> int main() { int i,j; for(i=5;i>=1;i--) { for(j=i;j>=1;j--) { printf("%d",i); } printf("\n"); } return 0; }

 25. 1  2  3  4  5
  1  2  3  4
  1  2  3
  1  2
  1

#include<stdio.h> int main() { int i,j; for(i=5;i>=1;i--) { for(j=1;j<=i;j++) { printf("%d",j); } printf("\n"); } return 0; }

 26. 1
  3      5
  7      9      11
  13    15    17    19
  21    23    25    27    29

#include<stdio.h> int main() { int a=1,i,j; for(i=1;i<=5;i++) { for(j=1;j<=i;j++) { printf("%d\t",a); a=a+2; } printf("\n"); } return 0; }

  
27.               *
            *   *
       *    *    * 
*    *   *    *

#include<stdio.h> int main() { int i,j,k; for(i=3;i>=1;i--) { for(j=i;j>=1;j--) { printf(" "); } for(k=i+2;k<=5;k++) { printf("*"); } printf("\n"); } }

28. WAP to add 10 numbers from user using array ?

#include<stdio.h> int main() { int i,j,n[11],sum=0; printf("Enter 10 numbers to add them:\n"); for(i=1;i<=10;i++) { scanf("%d",&n[i]); } for(i=1;i<=10;i++) { printf("%d\t",n[i]); } for(i=1;i<=10;i++) { sum=sum+n[i]; } printf("The result is %d",sum); return 0; }

29. Input 10 numbers randomly from user and arrange them in ascending order ? 

#include<stdio.h> int main() { int i,a[10],j,temp; printf("Enter 10 numbers:\n"); for(i=0;i<10;i++) { scanf("%d",&a[i]); } for(i=0;i<10;i++) { for(j=0;j<10;j++) { if(a[i]<a[j]) { temp=a[i]; a[i]=a[j]; a[j]=temp; } } } printf("The numbers are in descending order:"); for(i=0;i<10;i++) { printf("%d\t",a[i]); } return 0; }

30. Input 10 numbers randomly from user and arrange them in descending order ?

#include<stdio.h> int main() { int i,a[10],j,temp; printf("Enter 10 numbers:\n"); for(i=0;i<10;i++) { scanf("%d",&a[i]); } for(i=0;i<10;i++) { for(j=0;j<10;j++) { if(a[i]<a[j]) { temp=a[i]; a[i]=a[j]; a[j]=temp; } } } printf("The numbers are in descending order:"); for(i=0;i<10;i++) { printf("%d\t",a[i]); } return 0; }

31. WAP to find largest number from 10 numbers ?

#include<stdio.h> int main() { int i,a[10],j,largest; printf("Enter 10 numbers:\n"); for(i=0;i<10;i++) { scanf("%d",&a[i]); } largest=a[0]; for(i=0;i<10;i++) { if(largest<a[i]) { largest=a[i]; } } printf("The largest number is %d",largest); return 0; }

32. WAP to find smallest number from 10 numbers ?

#include<stdio.h> int main() { int i,a[10],j,temp,largest; printf("Enter 10 numbers:\n"); for(i=0;i<10;i++) { scanf("%d",&a[i]); } largest=a[0]; for(i=0;i<10;i++) { if(largest>a[i]) { largest=a[i]; } } printf("The smallest number is %d",largest); return 0; }

33. WAP to add two matrix ?

#include<stdio.h> int main() { int i,j,row,column; printf("Enter row: "); scanf("%d",&row); printf("Enter column: "); scanf("%d",&column); int matrix1[row][column],matrix2[row][column],sum[row][column]; if(row==column) { printf("Enter first matrix:\n"); for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { scanf("%d",&matrix1[i][j]); } } printf("Enter second matrix:\n"); for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { scanf("%d",&matrix2[i][j]); } } printf("First matrix:\n"); for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { printf("%d\t",matrix1[i][j]); } printf("\n"); } printf("Second matrix:\n"); for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { printf("%d\t",matrix2[i][j]); } printf("\n"); } // sum of matrix for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { sum[i][j]=matrix1[i][j]+matrix2[i][j]; } } printf("The sum of matrices is given below:\n"); for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { printf("%d\t",sum[i][j]); } printf("\n"); } } else { printf("Addition is not possible."); } return 0; }

34. WAP to subtract two matrix ?

#include<stdio.h> int main() { int i,j,row,column; printf("Enter row: "); scanf("%d",&row); printf("Enter column: "); scanf("%d",&column); int matrix1[row][column],matrix2[row][column],sub[row][column]; if(row==column) { printf("Enter first matrix:\n"); for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { scanf("%d",&matrix1[i][j]); } } printf("Enter second matrix:\n"); for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { scanf("%d",&matrix2[i][j]); } } printf("First matrix:\n"); for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { printf("%d\t",matrix1[i][j]); } printf("\n"); } printf("Second matrix:\n"); for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { printf("%d\t",matrix2[i][j]); } printf("\n"); } // sub of matrix for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { sub[i][j]=matrix1[i][j]-matrix2[i][j]; } } printf("The difference of matrices is given below:\n"); for(i=1;i<=row;i++) { for(j=1;j<=column;j++) { printf("%d\t",sub[i][j]); } printf("\n"); } } else { printf("Subtraction is not possible."); } return 0; }

35. WAP to find the length of the string ?

#include<stdio.h> #include<string.h> int main() { char name[20]; int len; printf("Enter your first name: "); scanf(" %s",name); len=strlen(name); printf("Your name contains %d letter",len); return 0; }

36. WAP to compare two string using (strcmp) function which is already defined in (string.h) header file ?

#include<stdio.h> int main() { char name[20],rename[20]; printf("Enter your first name: "); scanf(" %s",name); printf("Re-enter your first name: "); scanf(" %s",rename); if(strcmp(name,rename)==0) { printf("Congratulation, your name is matched."); } else { printf("Sorry, name does not match."); } return 0; }

37. WAP to reverse a string using (strrev) ?

#include<stdio.h> int main() { char name[20]; printf("Enter your first name: "); scanf(" %s",name); strrev(name); printf("The reverse of your name is %s",name); return 0; }

38. WAP to show whether the entered string is pallindrome or not ?

#include<stdio.h> int main() { char name[20],temp[20]; printf("madam is pallindrome word. \n"); printf("Enter any word to check whether it is pallindrome or not: "); scanf(" %s",name); strcpy(temp,name); if(strcmp(temp,strrev(name))==0) { printf("The entered word is pallindrome."); } else { printf("The entered word is not pallindrome."); } return 0; }

39. WAP to print name in alphabetical order ?

#include<stdio.h> int main() { char name[20] [20],temp[20]; int i,j; printf("Enter name of 10 students:\n"); for(i=0;i<10;i++) { scanf("%s",name[i]); } for(i=0;i<10;i++) { for(j=i+1;j<10;j++) { if(strcmp(name[i],name[j])>0) { strcpy(temp,name[i]); strcpy(name[i],name[j]); strcpy(name[j],temp); } } } printf("The name of students in alphabetical order is given below:\n"); for(i=0;i<10;i++) { printf("%s\n",name[i]); } return 0; }

40. WAP to print year, month, day in a given number ?

#include<stdio.h> #include<conio.h> main() { int end,numdays,year=0,month=0,day=0,remmonth=0,remday=0; do { system("cls"); printf("Enter a number to find year,month,day in that number:\n"); printf("If you want to exit then press '0' :\n\n"); printf("Enter a number:"); scanf("%d",&numdays); if(numdays==0) exit(0); if(numdays>=365) { year=numdays/365; remmonth=numdays-(year*365); month=remmonth/30; remday=numdays-(year*365)-(month*30); day=remday; } else if(numdays<365) { year=numdays/365; month=numdays/30; day=numdays-(month*30); } printf("The year is %d\n",year); printf("The month is %d\n",month); printf("The day is %d\n\n",day); printf("Press Enter,"); getch(); } while(1!=0); return 0; }

41. Bank management

#include<stdio.h> #include<conio.h> main() //main start { int year,month,day,result=-1,Day=5,dividedyear,twodigit,yearcode,exit1; //converting B.S into A.D do //loop start { printf("Enter any date in A.D to findout the day:\n"); printf("Enter year:"); scanf("%d",&year); printf("Enter month:"); scanf("%d",&month); printf("Enter day:"); scanf("%d",&day); twodigit=year%100; dividedyear=twodigit/4; if(month<=12 && day<=32) //if statement start { if(year<=3000 && year>=2000) { yearcode=(-1); } else if(year<=1999 && year>=1900) { yearcode=(0); } else if(year<=1899 && year>=1800) { yearcode=(+2); } else if(year<=1799 && year>=1700) { yearcode=(+4); } else { printf("ERROR.......\n"); } if(year>=1700 && year<=3000) { switch(month) { case 1: if(year%4==0 || year%400==0) { result= (day%7)+0+(year%100)+(yearcode)+(dividedyear); } else { result= (day%7)+1+(year%100)+(yearcode)+(dividedyear); } break; case 2: if(day<=28 || day<=29) { if(year%4==0 || year%400==0) { result=(day%7)+3+(year%100)+(yearcode)+dividedyear; } else { result=(day%7)+4+(year%100)+(yearcode)+dividedyear; } } else { printf("ERROR........INVALID DATE\n\n"); } break; case 3:result=(day%7)+4+(year%100)+(yearcode)+dividedyear; break; case 4:result=(day%7)+0+(year%100)+(yearcode)+dividedyear; break; case 5:result=(day%7)+2+(year%100)+(yearcode)+dividedyear; break; case 6:result=(day%7)+5+(year%100)+(yearcode)+dividedyear; break; case 7:result=(day%7)+0+(year%100)+(yearcode)+dividedyear; break; case 8:result=(day%7)+3+(year%100)+(yearcode)+dividedyear; break; case 9:result=(day%7)+6+(year%100)+(yearcode)+dividedyear; break; case 10:result=(day%7)+1+(year%100)+(yearcode)+dividedyear; break; case 11:result=(day%7)+4+(year%100)+(yearcode)+dividedyear; break; case 12:result=(day%7)+6+(year%100)+(yearcode)+dividedyear; break; } } else { printf("Sorry out of range.\n\n"); } if(result>=7) { Day=result%7; } else { Day=result; } switch(Day) //switch statement start { case 1:printf("The day is Sunday.\n\n"); break; case 2:printf("The day is Monday.\n\n"); break; case 3:printf("The day is Tuesday.\n\n"); break; case 4:printf("The day is Wednesday.\n\n"); break; case 5:printf("The day is Thursday.\n\n"); break; case 6:printf("The day is Friday.\n\n"); break; case 0:printf("The day is Saturday.\n\n"); break; case -1:printf(" "); break; //switch statement close } //if statement close } else { printf("ERROR.....\n\n"); } getch(); system("cls"); //loop close } while(year!=0); //main close return 0; }

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