update

2020-04-06 00:57:02 +08:00
parent f97c156cc4
commit a4d828bb4c
120 changed files with 4413 additions and 0 deletions
--- a/practical_exercises/10_day_practice/day7/[]运算符/[]例题(重点).cpp
+++ b/practical_exercises/10_day_practice/day7/[]运算符/[]例题(重点).cpp
@@ -0,0 +1,50 @@
+//Eg8-9.cpp
+#include <iostream>
+#include <cstring>
+using namespace std;
+struct Person{                		//ְ<><D6B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD>Ľṹ
+		double salary;
+		char *name;
+};
+class SalaryManaege{
+		Person *employ;          	 //<2F><><EFBFBD><EFBFBD>ְ<EFBFBD><D6B0><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+		int max;                  		//<2F><><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD><C2B1>Ͻ<EFBFBD>
+		int n;                    		//<2F><><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ʵ<EFBFBD><CAB5>ְ<EFBFBD><D6B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+public:
+	SalaryManaege(int Max=0){
+		max=Max;
+		n=0;
+		employ=new Person[max];
+	}
+    double &operator[](char *Name) {       	//<2F><><EFBFBD><EFBFBD>[]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+		Person *p;
+		for(p=employ;p<employ+n;p++)   
+			//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD>   	
+			if(strcmp(p->name,Name)==0) 
+				return p->salary;
+		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+		p=employ + n++; 
+		p->name=new char[strlen(Name)+1];
+		strcpy(p->name,Name);
+		p->salary=0;
+		return p->salary;
+	}
+
+	void display(){      								
+		for(int i=0;i<n;i++)
+			cout<<employ[i].name<<"   "<<employ[i].salary<<endl;
+		}
+};
+int main(){
+    SalaryManaege s(3);
+    s["<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"]=2188.88;
+    s["<EFBFBD><EFBFBD>˹"]=1230.07;
+    s["<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"]=3200.97;
+    cout<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>\t"<<s["<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"]<<endl;          cout<<"<EFBFBD><EFBFBD>˹\t"<<s["<EFBFBD><EFBFBD>˹"]<<endl;
+    cout<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>\t"<<s["<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"]<<endl;
+  
+    cout<<"-------<2D><>Ϊdisplay<61><79><EFBFBD><EFBFBD><EFBFBD><EFBFBD>--------\n\n";
+    s.display();
+    system("pause");
+}
+