In file included from /in/Compile/check.cpp:7:
/in/sokoban.hpp:93:29: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
    vector<int> labelWorker(n, 0), labelTask(n, 0);
                ~~~~~~~~~~~ ^
/in/sokoban.hpp:93:46: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
    vector<int> labelWorker(n, 0), labelTask(n, 0);
                                   ~~~~~~~~~ ^
/in/sokoban.hpp:94:29: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
    vector<int> matchWorker(n, -1), matchTask(n, -1);
                ~~~~~~~~~~~ ^
/in/sokoban.hpp:94:47: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
    vector<int> matchWorker(n, -1), matchTask(n, -1);
                                    ~~~~~~~~~ ^
/in/sokoban.hpp:95:23: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
    vector<int> slack(n, INT_MAX), slackWorker(n);
                ~~~~~ ^
/in/sokoban.hpp:95:48: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
    vector<int> slack(n, INT_MAX), slackWorker(n);
                                   ~~~~~~~~~~~ ^
/in/sokoban.hpp:98:23: error: implicit conversion changes signedness: 'int' to 'std::vector<bool, type-parameter-0-0>::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
        visitedWorker[worker] = true;
        ~~~~~~~~~~~~~ ^~~~~~
/in/sokoban.hpp:100:29: error: implicit conversion changes signedness: 'int' to 'std::vector<bool, type-parameter-0-0>::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
            if (visitedTask[task]) continue;
                ~~~~~~~~~~~ ^~~~
/in/sokoban.hpp:101:30: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
            int delta = cost[worker][task] - labelWorker[worker] - labelTask[task];
                        ~~~~ ^~~~~~
/in/sokoban.hpp:101:38: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
            int delta = cost[worker][task] - labelWorker[worker] - labelTask[task];
                        ~~~~         ^~~~
/in/sokoban.hpp:101:58: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
            int delta = cost[worker][task] - labelWorker[worker] - labelTask[task];
                                             ~~~~~~~~~~~ ^~~~~~
/in/sokoban.hpp:101:78: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
            int delta = cost[worker][task] - labelWorker[worker] - labelTask[task];
                                                                   ~~~~~~~~~ ^~~~
/in/sokoban.hpp:103:29: error: implicit conversion changes signedness: 'int' to 'std::vector<bool, type-parameter-0-0>::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
                visitedTask[task] = true;
                ~~~~~~~~~~~ ^~~~
/in/sokoban.hpp:105:33: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
                    matchWorker[worker] = task;
                    ~~~~~~~~~~~ ^~~~~~
/in/sokoban.hpp:106:31: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
                    matchTask[task] = worker;
                    ~~~~~~~~~ ^~~~
/in/sokoban.hpp:109:30: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
            } else if (slack[task] > delta) {
                       ~~~~~ ^~~~
/in/sokoban.hpp:110:23: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
                slack[task] = delta;
                ~~~~~ ^~~~
/in/sokoban.hpp:111:29: error: implicit conversion changes signedness: 'int' to 'std::vector::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
                slackWorker[task] = worker;
                ~~~~~~~~~~~ ^~~~
/in/sokoban.hpp:119:36: error: implicit conversion changes signedness: 'int' to 'std::vector<bool, type-parameter-0-0>::size_type' (aka 'unsigned long') [-Werror,-Wsign-conversion]
        vector<bool> visitedWorker(n, false), visitedTask(n, false);
                     ~~~~~~~~~~~~~ ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
/in/Compile/Makefile:16: recipe for target 'main' failed
make: *** [main] Error 1