题解 - 【基础】交换两数

1

hetao4508683 LV 7 @ 2023-8-26 10:19:15

①输入，②判断，③更换，④输出，完成！（第一次发题解，请多指教）

#include <iostream>
using namespace std;
int main()
{
    int a,b,x;
    cin >> a >> b;
    if (a > b)
    {
        b = x;
        a = b;
        x = a;
    }
    cout << a << " " << b;
    return 0;
}

0

hetao3702175 LV 7 @ 2024-5-9 22:28:31

纯种比大小！

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a,b;//定义
    cin >> a >> b;//输入
    if (a>b)//比大小
    {
        cout << b << " " << a;//输出
    }
    else//否则
    {
        cout << a << " " << b;//输出
    }
    return 0;
}

点个赞吧，谢谢！

0

hetao4353471 LV 9 @ 2024-3-23 10:51:46

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a, b, c;//c是中间变量，是空的，用来装b、a变量。
    cin >> a >> b;
    if(a > b){
        c = a;
        a = b;
        b = c;
    }
    cout << a << " " << b;
}//已AC

0

hetao27249721 LV 7 @ 2023-8-22 10:28:18

高端的题目，往往要用最简单的方式解决（狗头） ~~这是树~~

#include <iostream>
using namespace std;

struct TreeNode {
    int val;
    TreeNode* left;
    TreeNode* right;

    TreeNode(int x) : val(x), left(NULL), right(NULL) {}
};

TreeNode* insertNode(TreeNode* root, int val) {
    if (root == NULL) {
        return new TreeNode(val);
    }

    if (val < root->val) {
        root->left = insertNode(root->left, val);
    } else {
        root->right = insertNode(root->right, val);
    }

    return root;
}

void inOrderTraversal(TreeNode* root) {
    if (root != NULL) {
        inOrderTraversal(root->left);
        cout << root->val << " ";
        inOrderTraversal(root->right);
    }
}

int main() {
    int a, b;
    cin >> a >> b;

    if (a > b) {
        swap(a, b);
    }

    TreeNode* root = NULL;
    root = insertNode(root, a);
    insertNode(root, b);

    inOrderTraversal(root);

    return 0;
}

已AC

hetao7180554 @ 2023-8-23 11:04:00

真狗！没你这么长的，也没你这么蠢的！
hetao11096902 @ 2023-8-24 20:21:13

没这么长的好吧？？
hetao11096902 @ 2023-8-24 20:21:29

啊对对对@
hetao27249721 @ 2023-9-1 19:27:05

@ 我爱怎么写就怎么写，管你们两个什么事？你这么牛逼o(￣▽￣)ｄ能复杂就复杂，你**你自己不会写说别人干嘛，当网络喷有意思吗？？？
hetao5326026 @ 2024-2-20 18:06:26

这东西真长，说得没错，@hetao7180554
hetao5326026 @ 2024-2-20 18:08:00

啊对对对

0

hetao10440855 LV 7 @ 2023-8-17 15:58:47

#include<iostream>
using namespace std;
int main()
{
    int a, b;
    cin >> a >> b;
    cout << a << " " << b;
    return 0;
} 
//我爱钻空

0

hetao2401715 LV 6 @ 2023-8-16 10:16:10

#include <iostream>
using namespace std;
int main()
{
    int a,b,c;
    cin >> a >> b;
    if(a > b)
    {
        c = a;
        a = b;
        b = c;
    }
    cout << a << " "<< b;
}

0

hetao3836103 LV 7 @ 2023-8-15 19:51:13

#include <iostream>
using namespace std;
int main()
{
    int a, b ,c;
    cin >> a>> b;
    if (a > b)
    {
        c = a;//先将a存入c里面
        a = b;//将a赋值为b
        b = c;//b赋值为c
        cout << a << " " << b;
    }
    else
    {
        cout << a << " " << b;
    }
    
}**

0

hetao10716624 LV 7 @ 2023-8-15 13:19:11

这是我第二次助人为乐（发题解）😄 最最最新手的代码啦！

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a,b;
    cin >> a >> b;
    if (a > b)
    {
        cout << b << " " << a;
    }
    else
    {
        cout << a << " " << b;
    }
    return 0;
}

0

hetao10701923 LV 6 @ 2023-8-14 17:00:22

#include <iostream>
using namespace std;
int main()
{
    int a, b ,c;
    cin >> a>> b;
    if (a > b)
    {
        c = a;//先将a存入c里面
        a = b;//将a赋值为b
        b = c;//b赋值为c
        cout << a << " " << b;
    }
    else
    {
        cout << a << " " << b;
    }
    
}

0

龚皓涵 LV 8 @ 2023-8-13 19:30:27

#include <iostream>
using namespace std;
int main()
{
    int a,b,c;
    cin>>a>>b;
    if (a>b)
    {
        c=a;//用临时变量c存储a的值。
        a=b;//把a的值变为b的值。
        b=c;//把b的值变为c的值（即原来a的值）。
    }
    cout<<a<<" "<<b;
    return 0;
}

0

hetao5569500 LV 7 @ 2023-8-13 16:21:18

无脑代码罢了```

#include <iostream>
using namespace std;
int main()
{
    int a, b;
    cin >> a >> b;
    if (a > b)
    {
        cout << b << " " << a;
    }
    else
    {
        cout << a << " " << b;
    }
    return 0;
}

thanks for watching.

0

hetao24957 LV 8 @ 2023-8-13 15:12:50

#include <iostream>
using namespace std;
int main()
{
    int a, b, c;
    cin >> a >> b;
    if(a > b)
    {
        c = a;//用c保存a的值
        a = b;
        b = c;
    }
    cout << a << " " << b;
	return 0;
}

0

hetao1533228 LV 8 @ 2023-8-13 11:28:20

#include <bits/stdc++.h> 
using namespace std;
int main()
{
    int m,f;
    cin >>m;
    cin >>f;
    if (m>f)
    {
       cout <<f<<" "<<m; 
    }
    else 
    {
        cout <<m<<" "<<f; 
    }
    return 0;
}

0

hetao6568393 LV 7 @ 2023-8-12 12:53:13

只要交换输出顺序就行了 #include<iostream> using namespace std; int main() { int a,b; cin>>a>>b; if(a>b) { cout<<b<<" "<<a; } else { cout<<a<<" "<<b; } return 0; }

0

hetao216752 LV 8 @ 2023-8-12 12:31:54

LTC这题叫不得基础题

#include<bits/stdc++.h>//...
using namespace std;
int main()
{
    int a,b,c;
    cin>>a>>b;
    if(a>b)
    {
        c=b;
        b=a;
        a=c;   
    }
    cout<<a<<" "<<b;
    return 0;
}

</span>

0

hetao1206870 LV 7 @ 2023-8-11 14:33:48

include <bits/stdc++.h>

using namespace std;

int main()
{
    int a, b;
    cin >> a >> b;

    if (a > b)
    {
        cout << b << " " << a;
    }
    else
    {
        cout << a << " " << b;
    }
    
    return 0;
}

0

hetao2983532 LV 6 @ 2023-8-9 18:08:29

很简单，以下是AC过的代码，思路无误

#include<iostream>
using namespace std;
 int main()
 {
    int a,b;
    cin >>a>>b;
    if(a>b)
    {
        cout <<b<<" "<<a;
    }
    else
    {
        cout <<a<<" "<<b;
    }
    return 0;
 }

0

hetao1346568 LV 7 @ 2023-8-9 17:09:44

#include <bits/stdc++.h> 
using namespace std;
int main()
{
    int a,b,c;
    cin>>a>>b;
    if (a>b)
    {
    c=a;//c为临时变量
    a=b;
    b=c;
    }
    cout<<a<<" "<<b;
    return 0;
}

0.0s AC

0

hetao10289822 LV 7 @ 2023-8-8 10:04:34

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a, b;
    cin >> a >> b;
    if (a > b) swap(a, b);
    cout << a << " " << b;
    return 0;
}

0

hetao4347570 LV 8 @ 2023-8-7 14:24:53

有三种方法：

一绕过交换

if (a>b){
    cout<<b<<' '<<a;
}else{
    cout<<a<<' '<<b;
}

二 swap 用法：swap(变量,变量);

swap(a,b);

三中间变量

//for example
//you have a,b,c,you want to change a,b
int a,b,c;
a=c;
a=b;
b=c;

OK,That's all.Thanks for watching.

70 条题解

【基础】交换两数

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70 条题解

【基础】交换两数

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