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C Articles
Page 60 of 96
Write a C program to print “ Tutorials Point ” without using a semicolon
To print any string without using a semicolon we need to find how the standard output work and why is semicolon used.The semicolon is a end of line statement that is used to tell the program that the line is ended here. The standard print statement printf used here is a method of the standard io library. Let's dig deep into the printf() method.int printf(const char *format , ...)This method returns an integer and has a set of arguments format and … . The format is a string that is printed in the output screen. And the … is the ...
Read MoreSum of first n natural numbers in C Program
The concept of finding the sum of sum of integers is found such that first, we will find the sum of numbers up to n and then add all the sums to get a value which will be the sum of sum which is our desired sum.For this problem, we are given a number n up to which we have to find the sum of the sum. Let's take an example to find this sum.n = 4Now we will find the sum of numbers for every number from 1 to 4 :Sum of numbers till 1 = 1 Sum of ...
Read MorePrint triplets with sum less than or equal to k in C Program
Given array with set of elements and the task is to find out set with exactly three elements having sum less than or equals to k.Input − arr[]= {1, 2, 3, 8, 5, 4}Output − set → {1, 2, 3} {1, 2, 5} {1, 2, 4} {1, 3, 5} {1, 3, 4} {1, 5, 4} {2, 3, 5} {2, 3, 4}In this, first task is to calculate the size of array depending upon which for loop of i is iterated till size-2 and for loop of j is iterated till size-1 and for loop of k is iterated till sizeAlgorithSTART Step 1 ...
Read MoreProgram to calculate Bitonicity of an Array
The bitonicity of an array is defined using the following syntax −To find bitonicity of an array based on its elements is −Bitonicity = 0 , initially arr[0] i from 0 to n Bitonicity = Bitonicity+1 ; if arr[i] > arr[i-1] Bitonicity = Bitonicity-1 ; if arr[i] < arr[i-1] Bitonicity = Bitonicity ; if arr[i] = arr[i-1]ExampleThe code for finding the bitonicity of an array we have used a variable called bitonicity, that changes its based on the comparison of the current and previous elements of the array. The above logic updates the bitonicity of the array and final bitonicity ...
Read MoreC program to find Decagonal Number?
A decagonal number is a figurate that was derived using the concept of triangular numbers and square numbers. This extension of number pattern is created using non-rotationally symmetrical numbers. This nested decagon oriented number is given by the number of dots in the number of nested decagons that are created. For example, for 3rd decagonal number 3 decagonal figures are nest each with iX time the number of sides in the decagon. As shown in figure −Side in 1st Outer figure = 30 Side in 2nd Outer figure = 20 Side in inner figure = 10 Sides common in all = 6+2 Total = 30+20+10-(6+2) ...
Read MoreStatic functions in C
A static function in C is a function that has a scope that is limited to its object file. This means that the static function is only visible in its object file. A function can be declared as static function by placing the static keyword before the function name.An example that demonstrates this is given as follows −There are two files first_file.c and second_file.c. The contents of these files are given as follows −Contents of first_file.cstatic void staticFunc(void) { printf("Inside the static function staticFunc() "); }Contents of second_file.cint main() { staticFunc(); return 0; }Now, if the above ...
Read Morepow() function in C
The function pow() is used to calculate the power raised to the base value. It takes two arguments. It returns the power raised to the base value. It is declared in “math.h” header file.Here is the syntax of pow() in C language, double pow(double val1, double val2);Here, val1 − The base value whose power is to be calculated.val2 − The power value.Here is an example of pow() in C language, Example#include #include int main() { double x = 5.5; double y = 4.0; double p; p = pow(x, y); printf("The value : %lf", p); ...
Read Morefseek() vs rewind() in C
fseek()fseek() in C language is used to move file pointer to a specific position. Offset and stream are the destination of pointer, given in the function parameters. If successful, it returns zero, else non-zero value is returned.Here is the syntax of fseek() in C language, int fseek(FILE *stream, long int offset, int whence)Here are the parameters used in fseek(), stream − This is the pointer to identify the stream.offset − This is the number of bytes from the position.whence − This is the position from where offset is added.whence is specified by one of the following constants.SEEK_END − End of ...
Read MorePrint contents of a file in C
Here is an example to print contents of a file in C language, Let’s say we have “new.txt” file with the following content.0, hell!o 1, hello! 2, gfdtrhtrhrt 3, demoNow, let us see the example.Example#include #include void main() { FILE *f; char s; clrscr(); f=fopen("new.txt", "r"); while((s=fgetc(f))!=EOF) { printf("%c", s); } fclose(f); getch(); }Output0, hell!o 1, hello! 2, gfdtrhtrhrt 3, demoIn the above program, we have a text file “new.txt”. A file pointer is used to open and read the file. It is displaying the content of file.FILE *f; ...
Read Morestrxfrm() in C/C++
The function strxfrm() transforms the source string to the current locale and copies the first number of characters of transformed string to the destination. It is declared in “locale.h” header file in C language.Here is the syntax of strxfrm() in C language, size_t strxfrm(char *destination, const char *source, size_t number)Here, destination − The destination pointer where the characters will be copied.source − The string is to be transformed.number − The number of characters to be copied.Here is an example of strxfrm() in C language, Example#include #include int main () has { char s[10] = "HelloWorld"; char ...
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