add prob 10

.gitignore

@@ -1 +1,2 @@
 *.exe
+*.out

.vscode/c_cpp_properties.json

@@ -1,19 +1,12 @@
 {
     "configurations": [
         {
-            "name": "Win32",
+            "name": "Linux",
             "includePath": [
                 "${workspaceFolder}/**"
             ],
-            "defines": [
+            "defines": [],
-                "_DEBUG",
+            "compilerPath": "/usr/bin/g++"
-                "UNICODE",
-                "_UNICODE"
-            ],
-            "compilerPath": "E:\\Applications\\MSYS2\\ucrt64\\bin\\g++.exe",
-            "cStandard": "c17",
-            "cppStandard": "c++17",
-            "intelliSenseMode": "windows-gcc-x64"
         }
     ],
     "version": 4

.vscode/launch.json

@@ -1,21 +1,17 @@
 {
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
     {
-            "name": "g++.exe - Build and debug active file",
+      "name": "g++ - Build and debug active file",
       "type": "cppdbg",
       "request": "launch",
-            "program": "${fileDirname}\\${fileBasenameNoExtension}.exe",
+      "program": "${fileDirname}/${fileBasenameNoExtension}.out",
       "args": [],
       "stopAtEntry": false,
       "cwd": "${fileDirname}",
       "environment": [],
       "externalConsole": false,
       "MIMode": "gdb",
-            "miDebuggerPath": "E:\\Applications\\MSYS2\\ucrt64\\bin\\gdb.exe",
       "setupCommands": [
         {
           "description": "Enable pretty-printing for gdb",
@@ -23,7 +19,8 @@
           "ignoreFailures": true
         }
       ],
-            "preLaunchTask": "C/C++: g++.exe build active file"
+      "preLaunchTask": "C/C++: g++ build active file",
+      "miDebuggerPath": "/usr/bin/gdb"
     }
   ]
 }

.vscode/tasks.json

@@ -1,19 +1,18 @@
 {
-	"version": "2.0.0",
     "tasks": [
         {
             "type": "cppbuild",
-			"label": "C/C++: g++.exe build active file",
+            "label": "C/C++: g++ build active file",
-			"command": "E:\\Applications\\MSYS2\\ucrt64\\bin\\g++.exe",
+            "command": "/usr/bin/g++",
             "args": [
                 "-fdiagnostics-color=always",
                 "-g",
                 "${file}",
                 "-o",
-				"${fileDirname}\\${fileBasenameNoExtension}.exe"
+                "${fileDirname}/${fileBasenameNoExtension}.out"
             ],
             "options": {
-				"cwd": "E:\\Applications\\MSYS2\\ucrt64\\bin"
+                "cwd": "${fileDirname}"
             },
             "problemMatcher": [
                 "$gcc"
@@ -22,7 +21,8 @@
                 "kind": "build",
                 "isDefault": true
             },
-			"detail": "compiler: E:\\Applications\\MSYS2\\ucrt64\\bin\\g++.exe"
+            "detail": "Task generated by Debugger."
         }
-	]
+    ],
+    "version": "2.0.0"
 }

10-238.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+/**
+ * Note: The returned array must be malloced, assume caller calls free().
+ */
+int* productExceptSelf(int* nums, int numsSize, int* returnSize) {
+    int *left = (int *)malloc(numsSize * sizeof(int));
+    int *right = (int *)malloc(numsSize * sizeof(int));
+    int par_prod = 1;
+    for (int i = 0; i < numsSize; ++i) {
+        par_prod *= nums[i];
+        left[i] = par_prod;
+    }
+
+    par_prod = 1;
+    for (int i = numsSize - 1; i >= 0; --i) {
+        par_prod *= nums[i];
+        right[i] = par_prod;
+    }
+
+    int *result = (int *)malloc(numsSize * sizeof(int));
+    result[0] = right[1];
+    result[numsSize - 1] = left[numsSize - 2];
+    for (int i = 1; i < numsSize - 1; ++i) {
+        result[i] = left[i - 1] * right[i + 1];
+    }
+    *returnSize = numsSize;
+    return result;
+}
+
+int main() {
+    int nums[] = {1, 2, 3, 4};
+    int result_size;
+    int *result = productExceptSelf(nums, sizeof(nums) / sizeof(int), &result_size);
+    for (int i = 0; i < result_size; ++i) {
+        printf("%d ", result[i]);
+    }
+    printf("\n");
+    free(result);
+    return 0;
+}