I have a function my_fun which returns random number. How can I do declaration and value check in one line? int x; if (x= my_fun()<0) if ((x= my_fun())<0) if ((x= my_fun()<0)) // this is what my IDE suggests but looks strange since those extra braces don’t help at all. Source: Windows Que..
Category : assign
#include <bits/stdc++.h> using namespace std; vector< vector<int> >Adj; int main() { int n; cin>>n; Adj.assign(n); } This code doesn’t work for assigning size to the vector. Source: Windows Que..
I kinda trying to make a class method here that is able to assign a rvalue with "operator =" to an array, which requires also the input of the indexes. For now the code looks like this: #include <iostream> using namespace std; class Matrix { public: int nz,nx; float *elements; int size() {return nz * ..
I am a student working on a project where we have to create a program to calculate the GPA for several students. Everything was going smoothly until I wrote a function to output a heading to a file. Basically i want to make a line that goes across the screen, something I have done this ..
I am trying to implement template multimap Binary Tree container in C++. The elements in this container are Node class pointers, which have pointer to the right element (if the key value is more than previous element’s key), to the left element (if the key value is less than previous element’s key) and extra (if ..
If two objects of the same class are defined, one is assigned to the other.And the class has point member variable.For example, class A{ private: int *a; public: A(int x):a(&x){}; }; int main() { int x = 2; A v_(x); A W_(v_); return 0; } then if a in v_ points to the same address ..
Assign the value of 1 to variable test if k is in the range –m through +m inclusive. Otherwise, assign a value of zero?(write c++ code). Source: Windows Que..
Hello guys I have a list of whishes from students like this one: 10 2 10 6 2 7 3 4 7 1 3 4 9 3 7 9 4 3 2 7 6 2 10 2 4 9 8 1 4 9 6 The number in the first line is there for the amount ..
I have a struct of Examinee like below (each has 1 id and their scores of different subjects): struct Examinee { string id; float math, literature, physic, chemistry, biology, history, geography, civic_education, natural_science, social_science, foreign_language; }; Now i want to write a function that reads from a string different values and assign them to an ..
I’ve one class named Message with constructors, copy constructor, redefined assign operator, a destructor and other functions for set and access to their attributes. In the assign operator function i call to the destructor for destroy old dynamic memory, for re-use and integrity in the code. But this it’s give me problems and i don’t ..
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