Commit: f73fb7d99516c50c304cd78eca6a7d32c955384a - VSPRAC (git)

練習用です。いろんなものがごちゃまぜです。

Commit MetaInfo

• Revision: f73fb7d99516c50c304cd78eca6a7d32c955384a (tree)
• Time: 2017-03-09 09:07:25
• Author: bellyoshi <tccwas@gmai...>
• Commiter: bellyoshi

Log Message

dice 2

Change Summary

• add: CPP/ITP1_11/b.cpp

Incremental Difference

--- /dev/null
+++ b/CPP/ITP1_11/b.cpp
@@ -0,0 +1,118 @@
+#include <iostream>
+#include <string>
+#include <cassert>
+
+using namespace std;
+
+const int DICE_SIZE = 6;
+int const CmdCount = 6;
+int const RotateLen = 4;
+
+//ダイス
+//東西南北に転がすことができる。
+class dice {
+  //一番上,南面,東面,西面,北面,底面の数字
+  int values[DICE_SIZE];
+public:
+  dice ();
+  virtual ~dice ();
+  int &operator[](int i){
+    assert(0 <= i && i < DICE_SIZE);
+    return values[i];
+  };
+  void docmd(string str);
+  void docmd(char c);
+  void setTopAndFront(int top,int front);
+  void input(void);
+  int right(void){return values[2];};
+  int top(void){return values[0];};
+  int front(void){return values[1];};
+private:
+
+  int indexs[CmdCount][RotateLen];
+  char *cmdChar;
+  string *toTopCmd;
+  string *toFrontCmd;
+  void move_forward(int *indexs);
+  int find_value(int num);
+};
+void dice::setTopAndFront(int top, int front){
+  int idxTop = find_value(top);
+  docmd(toTopCmd[idxTop]);
+  int idxFront = find_value(front);
+  docmd(toFrontCmd[idxFront]);
+}
+int dice::find_value(int num){
+  for(int i = 0; i < DICE_SIZE; i++){
+    if(values[i] == num){
+      return i;
+    }
+  }
+  assert(false);
+}
+dice::dice(){
+  int westindex[RotateLen] = {1, 3, 6, 4};
+  int northindex[RotateLen] = {1, 2, 6, 5};
+  int leftindex[RotateLen] = {4, 2, 3, 5};
+  cmdChar = new char[CmdCount]{'W', 'E', 'N', 'S','L','R'};
+  for(int i = 0; i < RotateLen; i++){
+    indexs[0][i] = westindex[i] - 1;//W
+    indexs[1][i] = westindex[RotateLen - i - 1] - 1;//E
+    indexs[2][i] = northindex[i] - 1;//N
+    indexs[3][i] = northindex[RotateLen - i - 1] - 1;//S
+    indexs[4][i] = leftindex[i] - 1;//L
+    indexs[5][i] = leftindex[RotateLen - i - 1] - 1;//R
+  }
+  toTopCmd = new string[DICE_SIZE]{"","N","W","E","S","NN"};
+  toFrontCmd = new string[DICE_SIZE]{"S","","L","R","LL","N"};
+}
+dice::~dice(){
+  delete [] cmdChar;
+  delete [] toTopCmd;
+  delete [] toFrontCmd;
+}
+
+void dice::docmd(string str){
+  for(int i = 0; i < str.length(); i++){
+  //  cout << "docmd(str[i])" << str[i] << endl;
+    docmd(str[i]);
+  }
+}
+
+void dice::docmd(char c){
+  for(int i = 0; i < CmdCount; i++){
+    if (c == cmdChar[i]){
+    //  cout << cmdChar[i] << endl;
+      move_forward(indexs[i]);
+      return;
+    }
+  }
+  assert(false);//命令表にない命令
+}
+void dice::move_forward(int *indexs){
+  int temp = values[indexs[0]];
+  values[indexs[0]] = values[indexs[1]];
+  values[indexs[1]] = values[indexs[2]];
+  values[indexs[2]] = values[indexs[3]];
+  values[indexs[3]] = temp;
+}
+void dice::input(void){
+  for(int i=0; i < DICE_SIZE; i++){
+    int n;
+    cin >> n;
+    values[i] = n;
+  }
+}
+int main(int argc, char const *argv[]) {
+  dice d;
+  d.input();
+  int count;
+  cin >> count;
+  for(int i = 0; i < count ;i++){
+    int top,front;
+    cin >> top >> front;
+    d.setTopAndFront(top,front);
+    cout << "right:" << d.right() << "top:" << d.top() << "front:" << d.front() << endl;
+  }
+  return 0;
+}