Convert the following java code to C++ //LabProgram.java import java.util.Scanner; public class LabProgram { public static void main(String[] args) { //defining a Scanner to read input from the user Scanner input = new Scanner(System.in); //reading the value for N int N = input.nextInt(); //creating a 1xN matrix int[] m1 = new int[N]; //creating an NxN matrix int[][] m2 = new int[N][N]; //creating a 1xN matrix to store the result int[] result = new int[N]; //looping and reading N integers into m1 for (int i = 0; i < N; i++) { m1[i] = input.nextInt(); } //looping from 0 to N-1 for (int i = 0; i < N; i++) { //looping from 0 to N-1 for (int j = 0; j < N; j++) { //reading an integer and storing it into m2 at position i,j m2[i][j] = input.nextInt(); } } //multiply m1 and m2, store result in result //looping from 0 to N-1 for (int i = 0; i < N; i++) { //looping from 0 to N-1 for (int j = 0; j < N; j++) { //multiplying value at index j in m1 with value at j,i in m2, adding to current value at index i // on result result[i] += m1[j] * m2[j][i]; } } //print result for (int i = 0; i < N; i++) { //printing value at index i in result, followed by a space System.out.print(result[i] + " "); } //ending with a newline System.out.println(); } }

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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Question

Convert the following java code to C++

//LabProgram.java

import java.util.Scanner;

public class LabProgram {
public static void main(String[] args) {
//defining a Scanner to read input from the user
Scanner input = new Scanner(System.in);
//reading the value for N
int N = input.nextInt();
//creating a 1xN matrix
int[] m1 = new int[N];
//creating an NxN matrix
int[][] m2 = new int[N][N];
//creating a 1xN matrix to store the result
int[] result = new int[N];
//looping and reading N integers into m1
for (int i = 0; i < N; i++) {
m1[i] = input.nextInt();
}
//looping from 0 to N-1
for (int i = 0; i < N; i++) {
//looping from 0 to N-1
for (int j = 0; j < N; j++) {
//reading an integer and storing it into m2 at position i,j
m2[i][j] = input.nextInt();
}
}
//multiply m1 and m2, store result in result
//looping from 0 to N-1
for (int i = 0; i < N; i++) {
//looping from 0 to N-1
for (int j = 0; j < N; j++) {
//multiplying value at index j in m1 with value at j,i in m2, adding to current value at index i
// on result
result[i] += m1[j] * m2[j][i];
}
}

//print result
for (int i = 0; i < N; i++) {
//printing value at index i in result, followed by a space
System.out.print(result[i] + " ");
}
//ending with a newline
System.out.println();
}
}

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