init commit

archive/algorithm/leetcode/884.c

@@ -0,0 +1,48 @@
+#include <stdio.h>
+#include <malloc.h>
+#include <string.h>
+
+typedef int bool;
+
+#define false 0
+#define true 1
+
+#define MAX_NUM 500
+char *backspace(char *s)
+{
+    char stack[MAX_NUM];
+    int len = 0, pos = 0;
+    while (s[pos] != '\x0')
+    {
+        if (s[pos] == '#')
+        {
+            if (len > 0)
+            {
+                stack[len--] = '\x0';
+            }
+        }
+        else
+        {
+            stack[len++] = s[pos];
+        }
+        pos++;
+    }
+    char *ret = malloc(sizeof(char) * (len + 1));
+    for (int i = 0; i < len; i++)
+    {
+        ret[i] = stack[i];
+    }
+    ret[len] = '\x0';
+    return ret;
+}
+
+bool backspaceCompare(char *S, char *T)
+{
+    char *s1 = backspace(S), *s2 = backspace(T);
+    return strcmp(s1, s2) == 0;
+}
+
+int main()
+{
+    bool a = backspaceCompare("y#f#o##f", "y#fo##f");
+}