未定义对‘`WinMain@16’的引用，试图解决twosum问题，但在visual studio代码IDE中运行代码时出现问题

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "build",
            "type": "shell",
            "command": "g++",
            "args": [
                "-o",
                "${fileDirname}/${fileBasenameNoExtension}.exe",
                "${file}",
                "-mwindows"
            ],
            "group": {
                "kind": "build",
                "isDefault": true
            }
        }
    ]
}

#include <windows.h>

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
    // 你的代码逻辑
    return 0;
}

#include <iostream>
#include <vector>
#include <unordered_map>

std::vector<int> twoSum(const std::vector<int>& nums, int target) {
    std::unordered_map<int, int> numMap;
    for (int i = 0; i < nums.size(); ++i) {
        int complement = target - nums[i];
        if (numMap.find(complement) != numMap.end()) {
            return {numMap[complement], i};
        }
        numMap[nums[i]] = i;
    }
    return {};
}

int main() {
    std::vector<int> nums = {2, 7, 11, 15};
    int target = 9;
    std::vector<int> result = twoSum(nums, target);
    std::cout << "Indices: " << result[0] << ", " << result[1] << std::endl;
    return 0;
}