From 3586b439cab0f9b7e509fcb4cbeaac2048b9cdd6 Mon Sep 17 00:00:00 2001
From: RikuYokoo <s19C1123JF@s.chibakoudai.jp>
Date: Mon, 22 Mar 2021 18:26:43 +0900
Subject: [PATCH] =?UTF-8?q?=E8=AA=B2=E9=A1=8C5=E3=81=AE=E6=8F=90=E5=87=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 yokoo_5.cpp | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 yokoo_5.cpp

diff --git a/yokoo_5.cpp b/yokoo_5.cpp
new file mode 100644
index 0000000..e44abe0
--- /dev/null
+++ b/yokoo_5.cpp
@@ -0,0 +1,73 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+class Cross_product{
+public:
+  Cross_product();
+  Cross_product(int);
+  void ans_of_Cross_product();
+  void output_anser();
+  void output_xy();
+private:
+  vector<int> x_component_of_vector;
+  vector<int> y_component_of_vector;
+  vector<int> anser_cross_product;
+};
+Cross_product::Cross_product(){
+  for(int i=0, j=5;i<3;i++, j+=2){
+    int k=i+j;
+    x_component_of_vector.push_back((j+i)*(3+k));
+    y_component_of_vector.push_back((j+k)*(3+i));
+  }
+}
+Cross_product::Cross_product(int num){
+  for(int i=0, k=4;i<3;i++,k*=3){
+    x_component_of_vector.push_back((num)-(3+k));
+    y_component_of_vector.push_back((num)-(3+i));
+  }
+}
+void Cross_product::output_xy(){
+  cout << "x={";
+  for(int i=0;i<3;i++){
+    cout << x_component_of_vector.at(i);
+    cout << " ";
+  }
+  cout << "}" << endl;
+  cout << "y={";
+  for(int i=0;i<3;i++){
+    cout << y_component_of_vector.at(i);
+    cout << " ";
+  }
+  cout << "}" << endl;
+}
+void Cross_product::ans_of_Cross_product(){
+  for(int i=0, j=1,k=2;i<3;i++,k++,j++){
+    anser_cross_product.push_back((x_component_of_vector.at(j)*y_component_of_vector.at(k))-(x_component_of_vector.at(k)*y_component_of_vector.at(j)));
+    if(i==0)
+      k=-1;
+    if(i==1)
+      j=-1;
+  }
+}
+void Cross_product::output_anser(){
+  for(int i=0;i<3;i++){
+    cout << anser_cross_product.at(i);
+    cout << " ";
+  }
+  cout << endl;
+}
+
+int main(){
+  Cross_product cross;
+  cross.output_xy();
+  cross.ans_of_Cross_product();
+  cross.output_anser();
+  cout << endl;
+  Cross_product cross2(21);
+  cross2.output_xy();
+  cross2.ans_of_Cross_product();
+  cross2.output_anser();
+  return 0;
+}