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Floyd's triangle is a right-angle triangle of consecutive numbers, starting with a 1 in the top left corner −For example,1 2 3 4 5 6 7 8 9 10Example 1 Live Demo#include int main(){ int rows, i,j, start = 1; printf("Enter no of rows of Floyd's triangle :"); scanf("%d", &rows); for (i = 1; i
ProblemHow to check whether the given number is an Armstrong number or not using C Programming language?SolutionArmstrong number is the number that is equal to the sum of cubes of its digits.Syntaxpqrs………=pow(p, n)+pow(q, n)+pow(r, n)+……….For example, 153, 371, 1634, etc., are Armstrong numbers.153=1*1*1 + 5*5*5 + 3*3*3 =1+125+27 =153 (Armstrong number)Program Live Demo#include int main(){ int number, remainder, total=0, temp; printf("enter the number="); scanf("%d", &number); temp=number; while(number>0){ remainder=number%10; total=total+(remainder*remainder*remainder); number=number/10; } if(temp==total) printf("This number is Armstrong number"); else ... Read More
ProblemHow to print the given in reverse order with the help of iterative function i.e., while loop using C programming language?SolutionSo far, we had seen how to reverse the string using string function and without string function, now let’s see how to reverse a number without using predefined function −AlgorithmInput − give a number at runtimeStep 1: Declare the variable number, reverse Step 2: Initialize reverse= 0 Step 3: while number>0 (a) reverse=reverse*10 + number%10; reverse = reverse*10 + num%10; (b) Divide number by 10 Step ... Read More
ProblemHow to print the given two-digit number in reverse order with the help of division and Modulo operator using C programming language?SolutionSo far, we had seen how to reverse the string using string function and without string function. Now let’s see how to reverse the two-digit number without using the predefined function.The logic we use to reverse the number with the help of operators is −int firstno=number%10; //stores remainder int secondno=number/10;// stores quotientThen print the first number followed by the second number then you will get the reverse number for the given number.Program 1In this example, we will take a ... Read More
Modulo − Represents as % operator. And gives the value of the remainder of an integer division.Division − represents as / operator. And gives the value of the quotient of a division.Program 1#include int main(){ int a, b, c; printf("enter a, b, c values:"); scanf("%d%d%d, &a, &b, &c); printf("a/b=%d a%b=%d", a/b, a%b); printf("(a+10)%b=%d (a+10)/b=%d", (a+10)%b, (a+10)/b); }Outputenter a, b, c values:2 4 6 a/b=0 ab=2 (a+10)b=0 (a+10)/b=3Program 2Applying pointer variables to perform modulo and division operation − Live Demo#include void main(){ //Declaring pointers and variables// int num1, num2; int *p1, *p2; p1=&num1; p2=&num2; ... Read More
ProblemEnter any 9 numbers at runtime and add the numbers in a row, column, and diagonal wise by using C Programming languageAlgorithmStep 1: Declare 9 variables Step 2: enter 9 numbers at runtime Step 3: store the numbers in 3 X 3 matrix form //x y z p q r a b c Step 4: Do row calculation: add all the numbers in a row and print // (x+y+z), (p+q+r), (a+b+c) Step 5: Do column calculation: add all the numbers in a Column and ... Read More
ProblemHow to store the books-related information of library using C programming.AlgorithmStep 1: Declare a structure which holds data members Step 2: declare variables which are used for loop Step 3: use switch case to work on each module Step 4: case 1- for Adding book information Case 2- for Display book information Case 3- for Finding number for books in library Case 4- for EXITProgram#include #include #include #include struct library{ char bookname[50]; char author[50]; int noofpages; float price; }; int main(){ struct library ... Read More
ProblemHow to cast vote, count, and display the votes for each candidate that participates in elections using C language?SolutionLet’s consider three persons who participated in elections. Here we need to write a code for the following −Cast vote − Selecting a candidate by pressing the cast voteFind vote count − Finding the total number of votes each candidate gains declaring the winner.ExampleAll these operations are performed by calling each function using Switch case −#include #define CANDIDATE_COUNT #define CANDIDATE1 "ABC" #define CANDIDATE2 "XYZ" #define CANDIDATE3 "PQR" int votescount1=0, votescount2=0, votescount3=0; void castvote(){ int choice; printf(" ### Please choose your ... Read More
ProblemWrite a C program to calculate a balance installment that is to be paid after every month for a particular loan amount (with interest).SolutionFollowing is the formula to calculate interest when the loan amount is given −i=loanamt * ((interest/100)/12);Following calculation gives amount with interest −i=i+loanamt; firstmon=i-monthlypayment; //first month payment with interest i=firstmon * ((interest/100)/12);Program Live Demo#include int main(){ float loanamt, interest, monthlypayment; float i, firstmon, secondmon; printf("enter the loan amount:"); scanf("%f", &loanamt); printf("interest rate:"); scanf("%f", &interest); printf("monthly payment:"); scanf("%f", &monthlypayment); //interest calculation// i=loanamt * ((interest/100)/12); //amount with interest i=i+loanamt; ... Read More
ProblemWrite a C Program to enter the amount in dollars and then display the amount by adding 18% as tax.SolutionLet’s consider the restaurant person adding 18% tax to every bill of the customer.The logic applied to calculate tax is −value=(money + (money * 0.18));The money should be multiplied by 18% and add to the money, then the restaurant person can receive the amount from a customer with tax.Example Live Demo#include int main(){ float money, value; printf("enter the money with dollar symbol:"); scanf("%f", &money); value=(money + (money * 0.18)); printf("amount after adding tax= %f", value); return ... Read More