更新 1.cpp

Signed-off-by: ChenKaiLiuG <ckliu119@gmail.com>

1.cpp

@@ -8,34 +8,33 @@
 #include <windows.h>
 using namespace std;
 
+// test input
 int try_num(string b)
 {
 	int bb;
 	try
 	{
-		bb = stoi(b);
+		bb = stoi(b); //try int
 	}
-	catch (invalid_argument) 
+	catch (invalid_argument)  // catch invaild input
 	{
 		return -1;
 	}
 	return bb;
 }
 
-string cardname[21];
+string cardname[21]; 
-int score[7];
+int score[7]; 
 //define cardname
 
 array<int, 21> calculate(int arr[40])
 {
 	array<int, 21> cal;
-	fill(cal.begin(), cal.end(), 0);
+	fill(cal.begin(), cal.end(), 0); // initilize
 	for (int j = 0; j < 40; j++)
 	{
-		if (arr[j] == -1)
+		if (arr[j] == -1)	continue; // pass blank
-			continue;
+		else	cal[arr[j]]++; 
-		else
-			cal[arr[j]]++;
 	}
 	return cal;
 }
@@ -57,6 +56,7 @@ void display_p(int arr[][40], int num)
 		cout << "\n";
 	}
 }
+//display players' cards
 
 void display_s(int arr2[][3], int flag[5], int num)
 {
@@ -65,6 +65,7 @@ void display_s(int arr2[][3], int flag[5], int num)
 		cout << "Stack " << i + 1 << ": ";
 		for (int j = 0; j < 3; j++)
 		{
+			// show color by ANSI code
 			if (arr2[i][j] == 1)
 				cout << " \033[31m red \033[0m";
 			else if (arr2[i][j] == 2)
@@ -85,10 +86,11 @@ void display_s(int arr2[][3], int flag[5], int num)
 				cout << "  +2_point ";
 		}
 		if (flag[i] == 2)
-			cout << "(taken)";
+			cout << "(taken)";  // mark taken cards
 		cout << "\n";
 	}
 }
+//dispaly stack
 
 void getcard(int deck[76], bool vis[76], int stack[5][3], int flag_s[5], int pynum, int& counter, int cp_chk)
 {