acm写题板子
=======================

.. code-block:: shell
    g++ -D CAIKI_LOACL -std=c++20 ./solve.cpp -o ./solve && ./solve

.. code-block:: cpp
    :caption: solve.cpp

    #ifndef CAIKI_LOCAL
    #include <bits/stdc++.h>
    #endif

    #ifdef CAIKI_LOCAL
    #include <algorithm>
    #include <cmath>
    #include <iostream>
    #include <map>
    #include <set>
    #include <tuple>
    #include <vector>

    auto _ = []() {
        freopen("../io/in.txt", "r", stdin);
        freopen("../io/out.txt", "w", stdout);
        return true;
    }();
    #endif

    #define int long long

    void solve() {}

    signed main() {
        std::ios::sync_with_stdio(false);
        std::cin.tie(nullptr);

        int t = 1;
        std::cin >> t;

        while (t--) {
            solve();
        }

        return 0;
    }

.. code-block:: cpp
    :caption: test.cpp

    #include <bits/stdc++.h>

    int main() {
        int t = 10;

        system("g++ random.cpp -o ..\\bin\\random");
        system("g++ solve.cpp -o ..\\bin\\solve");
        system("g++ std.cpp -o ..\\bin\\std");

        std::cout << "Running tests...\n";

        for (int i = 0; i < t; i++) {
            system("..\\bin\\random.exe > ..\\io\\in.txt");
            system("..\\bin\\solve.exe < ..\\io\\in.txt > ..\\io\\out.txt");
            system("..\\bin\\std.exe < ..\\io\\in.txt > ..\\io\\std_out.txt");
            if (system(
                    "chcp 65001 > nul & fc ..\\io\\out.txt ..\\io\\std_out.txt  > "
                    "..\\io\\diff.log")) {
                std::cout << "Test case " << i + 1 << " failed\n";
                break;
            }
            std::cout << "Test case " << i + 1 << " passed\n";
        }

        return 0;
    }