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Program to display sum of series 1+1/2+1/3+…+1/n in C language
The following C program is to find the sum of the series 1+1/2+1/3+…+1/n. The following code have been compiled and executed in Dev C++. Information about the code: > The variable is taken as double here. Int datatype will not be used here or else the generated output will be wrong. > %.3lf prints 3…
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Program to Reverse a number in C language
The following program will show how you can reverse a particular number in C language. The code has been written and compiled in Dev C++. code: #include void main(){ int n,a,r=0; printf(“Enter any number: “); scanf(“%d”,&n); while(n>=1) { a=n%10; r=r*10+a; n=n/10; } printf(“Reverse = %d”,r); } OUTPUT:
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Program to Calculate Simple Interest in C language
This is the C program to calculate Simple Interest. We calculate simple interest to calculate interest charge on the loan. The following C program has been written and compiled on Dev C++. Code: #include<stdio.h> void main(){ int t; float p,r,si; printf(“Enter the Principle:”); scanf(“%f”,&p); printf(“Enter the Rate Of Interest:”); scanf(“%f”,&r); printf(“Enter the Time:”); scanf(“%d”,&t); si=(p*r*t)/100;…
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Finding Area and Circumference of Circle in C Language
C program for calculating Area and Circumference of the Circle in C language. In this program, we are taking the input for the Radius. The value for pi, area and ci [circumference] is float. So I have defined it with Float datatype. Area of the Circle : Pie * (r)^2 Circumference : 2 * Pie…
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What to do after SQL injection: Finding Admin Panel
We have already talked about Error Based SQL Injection. If you missed my article on that here is the link: https://anonhack.in/2018/04/sql-injection-part-4getting-admin-password/ The question that arises after getting the username and MD5 hash as password is “where do you use those credentials?” The answer to this is simple if there is a user table with password, there…
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C Program to Compare two Strings
This C program compares two string and tell if they are equal or not. We are taking two strings here str and str1. It is an array with 30 indexes. There are two int variables i and j which will be used to evaluate the strings. The while loops runs upto end of str[] string,…
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Program to reverse a string in C Language
The program below shows how you can reverse a string in c program. In this program I have used two arrays,one array is for the actual string to reverse and another array will keep the reversed string. The while function read the string from last to first and put each character in rev array. Code:…
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C Program to Swap two numbers with and without third variable
There are two ways to swap numbers using C language, one is with the help of temporary third variable and other is without the third variable. In this article, we will be looking at both of those approaches. Program to swap two number in C using Third/Temporary variable: #include<stdio.h> void main(){ int a,b,temp; printf(“Enter Two…
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Program to Convert Celsius to Fahrenheit in C Language
This article will show you the C program to convert temperature in Celsius to Fahrenheit. The Formula for conversion is: 1.8 * C + 32 Code: #include<stdio.h> void main(){ int a; float i=1; printf(“\n********************************\nprogram to convert Celsius to Fahrenheit\n***********************************\n\n”); printf(“Enter Temperature in Celsius: “); scanf(“%d”,&a); i=(1.8 * a) +32; printf(“Fahrenheit Temperature is : %.3f\n”,i); }…
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Program to find GCD of two numbers in C language
The following program is to find the GCD or HCF of a number using C Language. GCD is the Greatest Common Divisor that divides a particular number. #include<stdio.h> void main(){ int a,b,i,j; printf(“\n****************************\nprogram to find GCD of 2 Numbers\n*****************************\n\n”); printf(“Enter two numbers: “); scanf(“%d%d”,&a,&b); printf(“Common Factors for %d and %d are: “,a,b); j=a>b?b:a; for(i=1;i<=j;i++){ if(a%i==0…
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Program to convert a Character into ASCII value using C Language
In C language, The integer value for a character is always it’s ASCII value. So If you want to print an ASCII value of a character in C then simply use %d to get the character’s ASCII integer value. Code: #include<stdio.h> void main(){ int c; char d; printf(“\n\n*****************Program to output ASCII code for an input********************\n”);…
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Patterns Program Using C Language
The below article consists of different patterns that can be generated using C programs. Code-1: #include<stdio.h> void main(){ int i,j,k; int c=1,v=0; for(i=1;i<=9;i++){ if(i%2!=0){ for(j=i;j<=9;j++) { printf(” “); } for(k=1;k<=i;k++){ c++; if(c%2!=0){printf(“1 “); } else if(v==0) { printf(“1 “); v++;} else{ printf(“0 “); } } printf(“\n”);c=0;} } } OUTPUT: CODE…
