Aside from using two separate loops, the original code contains lots of redundant statements. One possible improvement would be this: int tmp = 6 * h; for (j = 1; j <= 4; j++) { a[j] = tmp; b[j] = 6 + 3 * j * j; } The main optimizations: One loop instead on … Read more
This problem has nothing to do with nested loops. The following code snippet is nonsense and the compiler ties itself into knots trying to understand it: int main() { std::vector<int> v = {0, 1, 2, 3, 4, 5}; for (int i : v) { for (int a : i) std::cout << a << ‘ ‘; … Read more
Because of this: $i=($num_dates-1) You need to check the condition ==, not use an assignment =. Although in this case it appears you want to do something like this: $i <= ($num_dates-1). You may have just forgot to type <. 1 solved Formatting php for-loop
You’re not “zeroing out” your total counter when moving on to the next average computation. This is a trivial problem that you would be able to solve if stepping through the code line by line. If you don’t practice this now, it’ll be incredibly difficult to solve more complex problems. Next question you ask, please … Read more
As long as you’re bothered with the for loop syntax, for ( ; lastheight < height ; lastheight++) is perfectly valid, as long as lastheight is defined and initialized previously. Quoting C11, chapter ยง6.8.5.3 for ( clause-1 ; expression-2 ; expression-3 ) statement […] Both clause-1 and expression-3 can be omitted. An omitted expression-2 is … Read more
Your question is not really specific. Basically both for loops you are mentioning are doing the same thing. for i in range(10): print(i) gives back 1 2 … 9 the same is achieved by [print(i) for i in range(10)] This is preferred if you have a very short loop and you want your code to … Read more
Neither iteration of the loop will be executed. In fact this loop (provided that the condition has no side effects) for(i = 2; i < 2; i++) { /* … */ } is equivalent to this statement i = 2; solved In C, what happens when the condition for a for loop aren’t met at … Read more
So far, you have the right idea. I am going to assume based on your syntax, that you are using an array. Your get() method looks good, but you are missing some code from your remove() method. public int remove(int index){ //check for out-of-bounds if(index < 0 || index >= size) //assumes size is set … Read more
Try with int probability = x / 1000; // 1/100 of the value to get an probability in percent (integer) or float probably = x / 100000F; //F for a `float` double probability = x / 100000.0; //a decimal without a F is a `double` Without that, this can’t work : float probably = x … Read more
public static void main(String[] args) { int n = 8; //set anything here for (int even = 2, odd = 1;even<=n;even+=2,odd+=2){ System.out.print(even+” “+odd+” “); } } 2 solved How I print the following sequence of numbers using for loop in java [closed]
Nested for loops like that are used when you have pseudo code like this: Do the following x times: Do the following y times: some stuff Do the following z times: some stuff In your specific case, the size of the pyramid is dynamic and is stored in a variable called size. To print a … Read more
You can just use: Collections.reverse(viewList); As documented by Oracle here. solved How to rewrite ArrayList in opposite direction [duplicate]
Remove the semi-column (;) after each for loop. Those are empty for loops in your program. They loop without doing anything. 2 solved How can I debug this program? [closed]
It’s usually a good idea to explain what you understand, so we don’t have to treat you as though you know nothing. Important note: This code behaves erratically. I’ll discuss that later. The exclusive or operator (^) produces its result by applying the following pattern to the binary representation of the numbers in question: Where … Read more
You should use the callback in setState if you want to do that because it is async. Please refer to the following link to get more info: https://reactjs.org/docs/react-component.html#setstate Another alternative is to set the state only once instead of doing it multiple times. You don’t need to put all that info in the state only … Read more