Commit: 45 - CTraining (svn)

練習用です。いろんなものがごちゃまぜです。

Commit MetaInfo

• Revision: 45 (tree)
• Time: 2015-09-28 11:21:30
• Author: bellyoshi

Log Message

(empty log message)

Change Summary

• added: TeachYourSelf/a_type.obj
• added: TeachYourSelf/a_type.exe
• added: TeachYourSelf/array.obj
• added: TeachYourSelf/ref.obj
• added: TeachYourSelf/array.BAK
• added: TeachYourSelf/array.exe
• added: TeachYourSelf/a_type.cpp
• added: TeachYourSelf/ref.exe
• added: TeachYourSelf/array.cpp
• added: TeachYourSelf/ref.cpp

Incremental Difference

--- TeachYourSelf/a_type.cpp	(nonexistent)
+++ TeachYourSelf/a_type.cpp	(revision 45)
@@ -0,0 +1,27 @@
+#include <iostream>
+using namespace std;
+
+class a_type{
+	double a,b;
+public:
+	a_type(double x, double y){
+		a = x;
+		b = y;
+	}
+	void show(){cout << a << ' ' << b << "\n";}
+};
+
+int main(){
+	a_type a[2][5] = {
+		{a_type(0,1),a_type(2,3),a_type(4,5),a_type(6,7),a_type(8,9)},
+		{a_type(10,11),a_type(12,13),a_type(14,15),a_type(16,17),a_type(18,19)}
+	};
+	
+	for (int i = 0; i < 2; i++){
+		for (int j = 0; j < 5; j++){
+			a[i][j].show();
+		}
+	}
+	
+	return 0;
+}
\ No newline at end of file

--- TeachYourSelf/array.cpp	(nonexistent)
+++ TeachYourSelf/array.cpp	(revision 45)
@@ -0,0 +1,54 @@
+#include <iostream>
+#include <cstdlib>
+using namespace std;
+
+class arrays {
+	int size;
+	char *p;
+public:
+	arrays(int num);
+	~arrays(){delete [] p;}
+	char &put(int i);
+	char get(int i);
+};
+
+arrays::arrays(int num)
+{
+	p = new char[num];
+	if(!p){
+		cout << "メモリ割り当てエラー\n";
+		exit(1);
+	}
+	size = num;
+}
+char &arrays::put(int i)
+{
+	if(i < 0 || i >size-1){
+		cout << "境界エラー!!!\n";
+		exit(1);
+	}
+	return p[i];
+}
+
+char arrays::get(int i)
+{
+	if(i < 0 || i > size-1){
+		cout << "境界エラー!!!\n";
+		exit(1);
+	}
+	return p[i];
+}
+
+int main()
+{
+	arrays a(10);
+	a.put(3) = 'x';
+	a.put(2) = 'R';
+	
+	cout << a.get(3) << a.get(2);
+	cout << "\n";
+	
+	a.put(11) = 'l';
+	
+	return 0;
+}
\ No newline at end of file

--- TeachYourSelf/ref.cpp	(nonexistent)
+++ TeachYourSelf/ref.cpp	(revision 45)
@@ -0,0 +1,16 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int x;
+	int &ref = x;
+	
+	x = 10;
+	ref = 10;
+	ref = 100;
+	
+	cout << x << ' ' << ref << "\n";
+	
+	return 0;
+}
\ No newline at end of file