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c++ program to check whether arrays are equal or not

Travinth Dayalaeaswaran answered on September 16, 2022 Popularity 7/10 Helpfulness 2/10

answer c++ program to check whether arrays are equal or not

c++ program to check whether arrays are equal or not

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#include <bits/stdc++.h>
using namespace std;
 

bool checkArrays(int arr1[], int arr2[],
                 int n, int m)
{

    if (n != m)
        return false;
 

    unordered_map<int, int> mp;
    for (int i = 0; i < n; i++)
 
        mp[arr1[i]]++;
 

    for (int i = 0; i < n; i++) {
 

        if (mp.find(arr2[i]) == mp.end())
            return false;

        if (mp[arr2[i]] == 0)
            return false;

        mp[arr2[i]]--;
    }
    return true;
}
 

int main()
{
    int arr1[] = { 1, 2, 3, 4, 5 };
    int arr2[] = { 4, 3, 1, 5, 2 };
    int N = sizeof(arr1) / sizeof(int);
    int M = sizeof(arr2) / sizeof(int);
 

    if (checkArrays(arr1, arr2, N, M))
        cout << "Equal";
    else
        cout << "Not Equal";
    return 0;
}

Popularity 7/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: arrays c++

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Contributed on Sep 16 2022

Travinth Dayalaeaswaran

0 Answers Avg Quality 2/10

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c++ program to check whether arrays are equal or not

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