upload: ch09 1406 codes(cpp, py)

Part1_강의자료/Ch09_리스트/문제별코드/1406_에디터/1406.cpp

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+#include <stdio.h>
+#include <list>
+#include <string>
+using namespace std;
+
+int main(void)
+{
+    char origin[100001];
+    list<char> lst;
+    int M;
+
+    scanf("%s", origin);
+    for (int i = 0; origin[i]; i++)
+        lst.push_back(origin[i]);
+
+    scanf("%d", &M);
+    list<char>::iterator it = lst.end();
+    while (M--)
+    {
+        char cmd;
+        scanf(" %c", &cmd);
+        if (cmd == 'L')
+        {
+            if (it != lst.begin())
+                it--;
+        }
+        else if (cmd == 'D')
+        {
+            if (it != lst.end())
+                it++; 
+        }
+        else if (cmd == 'B')
+        {
+            if (it != lst.begin())
+            {
+                it--;
+                it = lst.erase(it);
+            }
+        }
+        else if (cmd == 'P')
+        {
+            char c;
+            scanf(" %c", &c);
+            lst.insert(it, c);
+        }
+    }
+
+    string result(lst.begin(), lst.end());
+    printf("%s\n", result.c_str());
+    return 0;
+}

Part1_강의자료/Ch09_리스트/문제별코드/1406_에디터/1406.py

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+import sys
+input = sys.stdin.readline
+
+origin = input().rstrip()
+left_lst = list(origin)
+right_lst = []
+M = int(input())
+while M > 0:
+    cmd = input().rstrip()
+    if cmd[0] == 'L':
+        if left_lst:
+            right_lst.append(left_lst.pop())
+    elif cmd[0] == 'D':
+        if right_lst:
+            left_lst.append(right_lst.pop())
+    elif cmd[0] == 'B':
+        if left_lst:
+            left_lst.pop()
+    elif cmd[0] == 'P':
+        left_lst.append(cmd[2])
+    M -= 1
+
+print(''.join(left_lst + right_lst[::-1]))