6. How many times will the following nested for loops execute and what is the output?for (i 1; i<5; i = i + 2)for (j 2; j <7; j = j + 3)cout <

For loop:For loop is repeatedly used to perform a series of statements until the fulfilment of a…

Answered: 6. How many times will the following…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Using C++ What input must be provided to the following “ for Loop With Sum” fragment for it to display 20? #include <iostream> using namespace std; int main() { int n, sum = 0; cout << ("please enter a positive integer") << endl; cin >> n; for (int i = 0; i <= n; i=i+2) { sum += i; } cout << sum << endl; }
C++ Coding: Nested Loops Create a constant DIM. Set DIM to 7, and use a nested loop to display the following square matrix output. Output Example: - - - X - - -- - - X - - -- - - X - - -X X X O X X X- - - X - - -- - - X - - -- - - X - - -
Write a for loop that prints: 1 2 ... lastNumberEx: If the input is: 4 the output is: 1 2 3 4 #include <stdio.h> int main(void) { int lastNumber; int i; scanf("%d", &lastNumber); for(/* Your code goes here1 */) { printf("%d ", i); } return 0;}
Rewrite the following code using while loop statement instead of for loop statement in C++. #include using namespace std; int main() int i, reps; double usenum, postot(0), negtot(0); cout > reps; for(i = 1; i > usenum; if (usenum > 0) postot = postot + usenum; else negtot = negtot + usenum; cout << "The negative total is " << negtot << endl; return 0;
Rewrite the code below using the while loop. for (i = 1; i <=2; i++)for (j = 1; j <= 2; j++){value = i + j + 10;cout << value << endl;}
The program segment has errors. Find as many as you can. // This code should use a loop to raise a number to a power. int num, bigNum, power, count;cout << "Enter an integer: "; cin >> num; cout << "What power do you want it raised to? "; cin >> power; bigNum = num; while (count++ < power); bigNum *= num; cout << "The result is << bigNum << end1;
Given the following program segment. void split (int x){ if (x == 1) !! cout > num; split (num); return 0; } Give the correct output from the segment if user type 7 as input? Select one: a.7 = 3 +4 = 2 + 2 = 1+ 1 done b.done c.[7=3+3][3=1+1] done d.[7=3+4][3=1+2] done
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Please answer all questions for the while loop: while loop x=9; // loop variable while (x>0) { cout << x <<” , “ endl; x = x - 1;// update } Questions: 1.What is the name of loop variable, or loop control variable? 2.How many iterations does the loop do? 3What is initial value of count? 4.What is value of i when the loop exits (fails) 5.What is the output of the code? See below: 9, 8, 7, 6, 5, 4, 3, 2, 1, 6.What is increment in i between each each iteration 7.Observe semicolons, commas 8.When is the variable incremented: Beginning or
Convert the for loop in the program below to a while loop AP#include <iostream> using namespace std; int main() { for (int i = 1; i <= 5; ++i) { cout << "Assignments in the making " << endl; } return 0; }
Given the following program segment: int i;int value = 3;for (i = 0; i < 5; i++)value = value * (i + 1) + i;cout << "value = " << value << endl;write a while loop and a do...while loop that have the same output.
What will be the final value of EAX in this example? mov eax, 0 mov ecx, 10 L1: mov eax, 3 mov ecx, 5 L2: add eax, 5 loop L2 loop L1 (ii) Write a program that calculates the following expression, using registers: A = (A + B) − (C + D) (iii) Write a program that uses a loop to copy all the elements from an unsigned Word array into an unsigned doubleword array. (iv) Write a program that displays a string in all possible combinations of foreground and background colors (16 x 16 =256). The colors are numbered from 0 to 15, so you can use a nested loop to generate all possible combinations. Also use a delay of 1s in each foreground color change.

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6. How many times will the following nested for loops execute and what is the output? for (i 1; i<5; i = i + 2) for (j 2; j <7; j = j + 3) cout <