C++ Primer（第5版） 练习 3.36

练习 3.36 编写一段程序，比较两个数组是否相等。再写一段程序，比较两个vector对象是否相等。

环境：Linux Ubuntu（云服务器）

工具：vim

代码块

/*************************************************************************
	> File Name: ex3.36.cpp
	> Author: 
	> Mail: 
	> Created Time: Thu 01 Feb 2024 02:17:27 PM CST
 ************************************************************************/

#include<iostream>
#include<vector>
using namespace std;

int main(){
    int arr1[5], arr2[5];
    cout<<"Enter arr1 5 numbers: ";
    for(int i = 0; i < 5; i++){
        cin>>arr1[i];
    }
    cout<<"Enter arr2 5 numbers: ";
    for(int i = 0; i < 5; i++){
        cin>>arr2[i];
    }
    
    int sign = 0;
    for(int i = 0; i < 5; i++){
        if(arr1[i] != arr2[i]){
            sign = 1;
            break;
        }
    }
    if(sign == 0){
        cout<<"arr1 is equal to arr2."<<endl;
    }
    else{
        cout<<"arr1 is not equal to arr2."<<endl;
    }

    vector<int> arr3, arr4;
    int num;
    cout<<"Enter arr3 5 numbers: ";
    for(int i = 0; i < 5; i++){
        cin>>num;
        arr3.push_back(num);
    }
    cout<<"Enter arr4 5 numbers: ";
    for(int i = 0; i < 5; i++){
        cin>>num;
        arr4.push_back(num);
    }

    if(arr3 == arr4){
        cout<<"arr3 is equal to arr4."<<endl;
    }
    else{
        cout<<"arr3 is not euqal to arr4."<<endl;
    }

    return 0;
}

运行结果显示如下