Why, in the following code, is the compiler unable to move the call to strlen out of the loop?void upper(char *s) {for (long i = 0; i < strlen(s); i++) {if (s[i) >= 'a' && s[i] <= 'z')s[i] += ('Z' - 'z');%3D}

Justification: The procedure may contain side effects. The function could not return same value for…

Answered: Why, in the following code, is the…

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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Following code is for 4×4 tic toc toe game covert this code in to 3×3 players. Code #include <iostream> using namespace std; class Board { char board[4][4]; public: Board() { for(int i=0;i<4;i++) { for(int j=0;j<4;j++) { board[i][j]='_'; } } } void printBoard() { for(int i=0;i<4;i++) { for(int j=0;j<4;j++) { cout<<board[i][j]<<'|'; } cout<<endl; } cout<<endl; } int setPosition(char choice) { while(1) { int row,column; cout<<"Please enter the row and column"<<endl; cin>>row>>column; if(board[row][column]=='_') { board[row][column]=choice; break; } else { cout<<"Position is taken"<<endl; } } } char getPosition() { for(int i=0;i<4;i++) { for(int j=0;j<4;j++) { return board[i][j]; } } } int checkHorizontal(char choice) { int count; for(int i=0;i<4;i++) {…
What is the output of the following code?lst = [1, 2, 3, 4, 5, 6] for i in range(1, 6):lst[i] = lst[i - 1]print(lst)
Suppose the following code is given Determine the value of x and y at the indicated lines when parameter passing is pass-by-value, pass-by-reference, and pass-by-value-result. void foo(int y) { line1 y=2*y+1 line2 y=x*y pass-by-value pass-by-reference pass-by-value-result y y } line1 main(){ line2 x=5 foo(x) line3 print(x) line3 }
Can u do this code like a function #include<iostream.h> int main() { int k, n1, m1,i,j; int mat[4][4] = { { 10, 27, 35, 14 }, { 99, 54, 81, 20 }, { 63, 36, 80, 11 }, { 95, 78, 45, 37} }; for (int i = 0; i < 4; i++) { // Sort even rows in ascending order if (i % 2 == 0) { for (int m1 = 0; m1 < 4; m1++) { for (int n1 = m1 + 1; n1 < 4; ++k) { if (mat[i][n1] > mat[i][m1]) { // swap adjacent element int extra = mat[i][n1]; mat[i][n1] = mat[i][m1]; mat[i][m1] = extra; } } } } else { for (int n1 = 0; n1 <4 ; j++) { for (int m1 = n1 + 1; m1 < 4; ++m1) {…
In c++, please! Thank you! Write a void function SelectionSortDescendTrace() that takes an integer array and sorts the array into descending order. The function should use nested loops and output the array after each iteration of the outer loop, thus outputting the array N-1 times (where N is the size). Complete main() to read in a list of up to 10 positive integers (ending in -1) and then call the SelectionSortDescendTrace() function. If the input is: 20 10 30 40 -1 then the output is: 40 10 30 20 40 30 10 20 40 30 20 10 The following code is given: #include <iostream> using namespace std; // TODO: Write a void function SelectionSortDescendTrace() that takes// an integer array and the number of elements in the array as arguments,// and sorts the array into descending order.void SelectionSortDescendTrace(int numbers [], int numElements) { } int main() { int input, i = 0; int numElements = 0; int numbers [10]; // TODO: Read in a list of up to 10 positive…
8. using c++, Write a function method that determines the mean of all the values in an array of integers. Your mean function should call a separate function that you write that determines the sum. Don’t use built-in sum or mean gadgets, but roll your own.
Write code to complete raise_to_power(). Note: This example is for practicing recursion; a non-recursive function, or using the built-in function math.pow(), would be more common.Sample output with inputs: 4 24^2 = 16 def raise_to_power(base_val, exponent_val): if exponent_val == 0: result_val = 1 else: result_val = base_val * ''' Your solution goes here ''' return result_val user_base = int(input())user_exponent = int(input()) print('{}^{} = {}'.format(user_base, user_exponent, raise_to_power(user_base, user_exponent)))
What is the value of the variable ss after the following code is executed? int x[ 7 ] = (5,10,3,0,-10, 4); int ss=0; for (int i=1;i<=6; i++) { ss+=x[i]; cout<
can someone help me with this in C++ You'll need to complete the following two step: implement bubble sort algorithms as a function. call the bubble sort function in the main.this is the code I have so far #include <iostream> #include <vector> using namespace std; void get_value(int *ptr, int size){ for(int i=0; i < size; i++){ ptr[i] = rand() % 100; }} void bubble_sort(int *ptr, int size){ //complete the code } int main(){ int *myarray = new int[10]; get_value(myarray, 10); //implement a bubble sort function to sort the array return 0;}
Question Write a code with C to solve this problem: Given 'n' distinct numbers, how many sums of 4 numbers are greater than 0? Please add comments in the code. Answer. #include <stdio.h>int c=0;void combinationUtil(int arr[], int n, int r, int index, int data[], int i); void printCombination(int arr[], int n, int r){ int data[r]; combinationUtil(arr, n, r, 0, data, 0);}void combinationUtil(int arr[], int n, int r, int index, int data[], int i){ int s; if (index == r) { s=0; for (int j = 0; j < r; j++) s=s+data[j]; if(s>0){ c+=1; } printf("\n"); return; } if (i >= n) return c; data[index] = arr[i]; combinationUtil(arr, n, r, index + 1, data, i + 1); combinationUtil(arr, n, r, index, data, i + 1);} int main(){ int arr[100],n,i,ele; int r = 4; printf("Enter n number of elements\n"); scanf("%d ",&n); for(i=0;i<n;i++){ scanf("%d",&ele); arr[i]=ele; } printg("there are %d sums of 4 numbers are greater than 0…
What is the output of the following code? int m[5][6];int x[] = {1, 2}; m[0][1] = x[1];cout << "m[0][1] is " << m[0][1];
1. Trace the execution of the following: {0, 1, 2, 3, 4, 5, 6, 7}; int[] anArray for (int i = 3; i 3; i--) 1]; What are the contents of anArray after the execution of each loop?

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Why, in the following code, is the compiler unable to move the call to strlen out of the loop? void upper(char *s) { for (long i = 0; i < strlen(s); i++) { if (s[i) >= 'a' && s[i] <= 'z') s[i] += ('Z' - 'z'); %3D }