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Reviewed-on: #6

cin数据输入.cpp

@@ -2,25 +2,9 @@
 // Created by viole on 2026/2/25.
 //
 #include <iostream>
-#include "windows.h"
 using namespace std;
 int main() {
-    SetConsoleOutputCP(CP_UTF8);
-    string name;
-    double height;
-    int age;
-    cout << "请输入你的姓名:" <<endl;
-    cin >> name;
-
-    cout << "请输入你的身高（cm）:" <<endl;
-    cin >> height;
-
-    cout << "请输入你的年龄:" <<endl;
-    cin >> age;
-    cout << "--------"<<endl;
-    cout << "信息输入完成，您的信息如下："<<endl;
-    cout<<"姓名："<<name<<endl;
-    cout<<"身高："<<height<<endl;
-    cout<<"年龄："<<age<<endl;
-    return 0;
+    int num ;
+    cin >> num;
+    cout << num << endl;
 }

if逻辑判断语句.cpp

@@ -1,21 +0,0 @@
-//
-// Created by violet on 2026/3/3.
-//
-#include "iostream"
-using namespace std;
-int main() {
-    /*
-     * if（）{}
-     */
-    cout<<"今天发工资了"<<endl;
-    int money;
-    cout<<"请输入小明发的工资"<<endl;
-    cin>>money;
-    if (money>=10000) {
-        cout<<"小明去买电脑了"<<endl;
-        money -= 9900;
-
-    }
-    cout<<"小明工资还剩"<<money<<endl;
-    return 0;
-}

三元运算符.cpp

@@ -1,25 +0,0 @@
-//
-// Created by violet on 2026/3/3.
-//
-#include "iostream"
-using namespace std;
-int main() {
-    int num1,num2;
-
-        // while (true){
-        //
-        //         cout<<"请输入num1的值"<<endl;
-        //         cin>>num1;
-        //         cout<<"请输入num2的值"<<endl;
-        //         cin>>num2;
-        //         string value = num1>num2?"num1>num2":"num1<=num2";
-        //         cout<<value<<endl;
-        //
-        // }
-    cout<<"请输入小明第一次考试的成绩(0-100):"<<endl;
-    cin>>num1;
-    cout<<"请输入小明第二次考试的成绩(0-100):"<<endl;
-    cin>>num2;
-    cout<<"对小明的考试成绩进行判断，结果是："<<(num1<num2?"买糖":"不买糖")<<endl;
-    return 0;
-}

比较运算符.cpp

@@ -1,34 +0,0 @@
-//
-// Created by violet on 2026/2/28.
-//
-#include "cstring"
-
-#include "iostream"
-using namespace std;
-int main() {
-    //==相等 !=不等 >大于 <小于 <=小于等于>=大于等于
-    int num1 =3;
-    int num2 =4;
-    bool r1 = (num1!=num2);
-    cout<<r1<<endl;
-    //字符串要用strcmp比较，否则只能比较内存地址
-    char s1[]="hello";
-    char *s2 = "hello";
-    cout<<(strcmp(s1,s2))<<endl;
-    char s3[] = "a";
-    char *s4 = "b";
-    cout<<(strcmp(s4,s3))<<endl;
-
-    cout<<"字面量字符串"<<strcmp("a","b")<<endl;
-    //只要有一个c++风格的字符串，就可以用比较运算符来比较，比较他们的值而不是内存地址
-    string s5 = "a";//c++风格字符串
-    string s6 = "a";
-    cout<<(s5== s6)<<endl;
-    cout<<(1==1 && 2==2)<<endl;
-    cout<<(1==2 && 2==2)<<endl;
-    cout<<(1==2 || 2==3)<<endl;
-    cout<<(1==2 || 2==2)<<endl;
-    bool s123 = 100;
-    cout<<(s123)<<endl;
-    return 0;
-}

算数运算符.cpp

@@ -1,19 +0,0 @@
-//
-// Created by violet on 2026/2/28.
-//
-#include "iostream"
-using namespace std;
-int main() {
-    //单目（一个操作数）运算符
-    int num1 = +10;
-    int num2 = -10;
-    cout <<num1<<","<<num2<<endl;
-    //双目（有两个操作数）操作符
-    int num3 = 5+5;
-    int num4 = 5-3;
-    int num5 = 5*5;
-    int num6 = 10/3;
-    int num7 = 10%3;
-    cout<<num3<<","<<num4<<","<<num5<<","<<num6<<","<<num7<<endl;
-    return 0;
-}

赋值运算符.cpp

@@ -1,23 +0,0 @@
-//
-// Created by violet on 2026/2/28.
-//
-#include "iostream"
-using namespace std;
-int main() {
-    int num =2,num1,num2,num3,num4,num5;
-    num +=3;cout<<num<<endl;
-    bool a = true;
-    cout<<a<<endl;
-
-
-    num -=2,cout<<num<<endl,
-    num *=2,cout<<num<<endl,
-    num /=3,cout<<num<<endl,num %=2,cout<<num<<endl;
-    int money = 50;
-    money-=5;
-    money+=10;
-    money-=2;
-    money*=2;
-    cout<<money<<endl;
-    return 0;
-}