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The INT function is to convert something into an integer. An integer is a number that goes out two decimal places.
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How will you declare an array of three functions pointer where each function receives two ints and returns a float?
typedef float (*pt_func)(int, int); pt_func arr[3];another way:float (*pt_func[3])(int, int);
What is parameter in functions?
whatever the variables we declare in function signature to receive the arguments at the calling that are known as parameters.. e.g. int sum(int a,int b); here a & b are known as parameters.....
What is the difference between auto int a and int a?
Nothing: 'auto' is usable only in functions, and there it is the default storage class, so you don't have to use it at all.
What is return keyword in c?
return lets you literally return a value from a function. This allows you to define functions like: int add(int x, int y) { return(x + y); } int twoplustwo = add(2, 2);
Recursive functions for the sum of squares?
int sum (int n){if (n
How will you declare an array of three functions pointer where each function receives two ints and returns a float?
typedef float (*pt_func)(int, int); pt_func arr[3];another way:float (*pt_func[3])(int, int);
How do you write a program in c to swap two values by using functions?
#include using namespace std; void swap(int &a, int &b); int main() { int x=5,y=3; cout
What is parameter in functions?
whatever the variables we declare in function signature to receive the arguments at the calling that are known as parameters.. e.g. int sum(int a,int b); here a & b are known as parameters.....
What is meant by void in c plus plus?
void is used by functions that do not return a value. For example: // This function returns an integer, which you can use in other functions int addTwoNumbers(int a, int b) { return(a + b); } // This function does not return a value, so we declare it as a void void printSum(int a, int b) { cout << a << " + " << b << " = " << addTwoNumbers(a, b) << endl; // Note that attempting to return a value here will cause an error. }
What is the difference between auto int a and int a?
Nothing: 'auto' is usable only in functions, and there it is the default storage class, so you don't have to use it at all.
What is return keyword in c?
return lets you literally return a value from a function. This allows you to define functions like: int add(int x, int y) { return(x + y); } int twoplustwo = add(2, 2);
How do you create functions with multiple parameters in C plus plus?
Random example, function with two parameters: int main (int argc, char **argv) {...}
Write a c user defined functions to put n real number in a single dimenssion array compute their meanvariancestandarad deviation using these functions write a c program?
#include<stdio.h> #include<conio.h> int arr(int a[]); void main() { int a[10],i; clrscr(); printf("Enter the value for array") for(i=0;i<10;i++) { scanf("%d",&a[i]); } arr(a); getch(); } int arr(int a[10]) { int i; printf("Elements of array\n"); for(i=0;i<10;i++) { printf("\n%d",a[i]); } return 0; }
Recursive functions for the sum of squares?
int sum (int n){if (n
Inline functions in c plus plus with prgram example?
#include<iostream> using namespace std; inline int max(int a,int b) { return (a>b)?a:b; } int main() { int i1=3,i2=5; cout<<endl<<"Inline function says max is "<<max(i1,i2); return 0; } /* Usually when a function is called, the compiler goes to the particular piece of code and executes it. But in the case of inline functions, the code from the body of the function is effectively pasted at the point of call. inline functions are used when the body of the function is only a line or so.*/
What action does a typical user defined signal handler functions perform?
sets a variable: volatile int interrupted= 0; void signal_handler (int signo) { interrupted= signo; }
What is the use of INLINE function?
it is the function declared inside the class. It is used for gaining faster speed in execution but it might give back the larger executable fileAn inline function is one that is not called, its code is inserted in the position where you make a call to it. If it is called multiple times from different locations it was be inserted in all locations, increasing the size of all functions its called from but marginally increasing speed.Take this example:inline int AddNumbers(int a,int b){return a+b;}int main(){int x = 2;int y = 3;int answer;answer = AddNumbers(x,y);answer = AddNumbers(answer,y);return 0;}When the program is compiled it would look more like this:int main(){int x = 2;int y = 3;int answer = x+y;answer += y;return 0;}
