Answered: #include using namespace std; class…

Engineering

Computer Science

#include using namespace std; class test{ public: test(){ cout<<"

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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#include <stdio.h> int arrC[10] = {0}; int bSearch(int arr[], int l, int h, int key); int *joinArray(int arrA[], int arrB[]) { int j = 0; if ((arrB[0] + arrB[4]) % 5 == 0) { arrB[0] = 0; arrB[4] = 0; } for (int i = 0; i < 5; i++) { arrC[j++] = arrA[i]; if (arrB[i] == 0 || (bSearch(arrA, 0, 5, arrB[i]) != -1)) { continue; } else arrC[j++] = arrB[i]; } for (int i = 0; i < j; i++) { int temp; for (int k = i + 1; k < j; k++) { if (arrC[i] > arrC[k]) { temp = arrC[i]; arrC[i] = arrC[k]; arrC[k] = temp; } } } for (int i = 0; i < j; i++) { printf("%d ", arrC[i]); } return arrC; } int bSearch(int arr[], int l, int h, int key) { if (h >= l) { int mid = l + (h - l) / 2; if…
#include <stdio.h>#include <stdlib.h> int MAX_SIZE = 10;int n = 0; //A counter variable which will keep track of number of elements in arr. void append(int *arr, int element){ if(n == MAX_SIZE) { MAX_SIZE = MAX_SIZE * 2; int *ptr = (int*)malloc(MAX_SIZE * sizeof(int)); //Copy elements of existing array to a new array for(int i=0;i<n;i++) { ptr[i] = arr[i]; } arr = ptr; n++; } arr[n] = element;} int get(int *arr, int index){ return arr[index];}int main(){ int *arr = (int*)malloc(MAX_SIZE * sizeof(int)); n = 10; for(int i=0;i<n;i++) arr[i] = i+1; printf("\nArray size: %d", MAX_SIZE); printf("\nNumber of elements: %d", n); printf("\nArray: "); for(int i=0;i<n;i++) printf("%d ", arr[i]); printf("\n\nAdding an element"); append(arr, 11); printf("\nArray size: %d", MAX_SIZE); printf("\nNumber of elements: %d", n);…
#include <iostream>//#include <vector> using namespace std; class Vec {public:Vec() {sz = 0;cap = 1;p_arr = new int[cap];} int size(){return this->sz;}int capacity(){return this->cap;}void reserve( int n ){// TODO:// (0) check the n should be > size, otherwise// ignore this action.if ( n > sz ){// (1) create a new int array which size is n// and get its address//cout << "Adress:"<< &n << endl;int *newarr = new int [n];//cout << "Address: " << newarr << endl; // location // (2) use for loop to copy the old array to the// new arrayfor(int i = 0; i < sz; i++){newarr[i] = p_arr[i];}// (3) update the variable to the new addressthis->cap=n; // (4) delete old arraydelete[] newarr;}}void push_back( int v ){// TODO:if ( sz == cap ){ cap *= 2; reserve(cap);}p_arr[sz++] = v;// complete others}int at(int idx){return this->p_arr[idx];}private://vector<int> arr;int *p_arr;int sz = 0;int cap = 0; }; int main(){Vec v;…
#include using namespace std; int find(int arr[], int value, int left, int right) { int midpt = (left+right)/2; if (left > right) return -1; if ( arr[midpt] return midpt; else if (arr[midpt] < value) == value) return else return find(arr,value, left,midpt-1); } void main(void) { int arr[] ={4,5,6,9,11}; cout<
#include <iostream>#include <vector>using namespace std; void PrintVectors(vector<int> numsList) { unsigned int i; for (i = 0; i < numsList.size(); ++i) { cout << numsList.at(i) << " "; } cout << endl;} int main() { vector<int> numsList; int userInput; int i; for (i = 0; i < 3; ++i) { cin >> userInput; numsList.push_back(userInput); } numsList.erase(numsList.begin()+1); numsList.insert(numsList.begin()+1, 102); numsList.insert(numsList.begin()+1, 100); PrintVectors(numsList); return 0;} Not all tests passed clearTesting with inputs: 33 200 10 Output differs. See highlights below. Special character legend Your output 33 100 102 10 Expected output 100 33 102 10 clearTesting with inputs: 6 7 8 Output differs. See highlights below. Special character legend Your output 6 100 102 8 Expected output 100 6 102 8 Not sure what I did wrong but the the 33…
#include <iostream> #include <string> #include <cstdlib> using namespace std; template<class T> class A { public: T func(T a, T b){ return a/b; } }; int main(int argc, char const *argv[]) { A <float>a1; cout<<a1.func(3,2)<<endl; cout<<a1.func(3.0,2.0)<<endl; return 0; } Give output for this code.
#include <stdio.h> #include <string.h> int IsPasswordOkay(char* pass) { char Password[12]; strcpy(Password, pass); if (!strcmp(Password, "goodpass")) return(1); else return(0); } int main(int argc, char **argv) { int PwStatus; if (argc < 2) { printf("Input your password\n"); return(-1); } PwStatus = IsPasswordOkay(argv[1]); if (PwStatus == 0) { printf("Acces denied"); return(-1); } else { printf("Access granted"); return(1); } } Write a function to conduct input validation to secure the smallest buffer. You may call this function void SecurePasswordBuffer(const char *arg).
2. int count(1); while(count <5) { } --count; std::cout << count << endl; Maal
#include <iostream> #include <string> #include <cstdlib> using namespace std; template<class T> T func(T a) { cout<<a; return a; } template<class U> void func(U a) { cout<<a; } int main(int argc, char const *argv[]) { int a = 5; int b = func(a); return 0; } Give output for this code.
#include<iostream>using namespace std;const int rows=10;const int columns=10;int computer_board1[rows][columns];int computer_board2[rows][columns];int player_board[rows][columns];int x,y;void setboard(){for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){computer_board1[i][j]=0;player_board[i][j]=0;}}}void display_computer_board1(){cout<<"Computer's Board"<<endl;cout<<" 0 1 2 3 4 5 6 7 8 9 "<<endl;for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){if(j==0){cout<<i<<" ";}cout<<computer_board1[i][j]<<" "; }cout<<endl;}cout<<endl;}void display_player_board(){cout<<"Your Board"<<endl;cout<<" 0 1 2 3 4 5 6 7 8 9 "<<endl;for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){if(j==0){cout<<i<<" ";}cout<<player_board[i][j]<<" "; } cout<<endl;} }void place_player_ships(){for(int i=1;i<=15;i++){cout<<"Horizontal…
#include<iostream>using namespace std;const int rows=10;const int columns=10;int computer_board1[rows][columns];int computer_board2[rows][columns];int player_board[rows][columns];int x,y;void setboard(){for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){computer_board1[i][j]=0;player_board[i][j]=0;}}}void display_computer_board1(){cout<<"Computer's Board"<<endl;cout<<" 0 1 2 3 4 5 6 7 8 9 "<<endl;for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){if(j==0){cout<<i<<" ";}cout<<computer_board1[i][j]<<" "; }cout<<endl;}cout<<endl;}void display_player_board(){cout<<"Your Board"<<endl;cout<<" 0 1 2 3 4 5 6 7 8 9 "<<endl;for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){if(j==0){cout<<i<<" ";}cout<<player_board[i][j]<<" "; } cout<<endl;} }void place_player_ships(){for(int i=1;i<=15;i++){cout<<"Horizontal…
Refer to the code segment in Program (A), Identify the value oftemp. Program (A) int a[6] int *p {5,2,7,4,9,3}; &a[3]; = int temp; (а + 4); (p + 2); *p; *p++; *++p; * temp temp temp temp temp *