foo.cc: In function 'void spfamin(int, int*)':
foo.cc:52:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0; i < e[u].size(); i++){
                        ~~^~~~~~~~~~~~~
foo.cc: In function 'void spfamax(int, int*)':
foo.cc:77:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0; i < e[u].size(); i++){
                        ~~^~~~~~~~~~~~~
foo.cc: In function 'int main()':
foo.cc:94:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= n; i++) scanf("%d", &q[i]);
                                 ~~~~~^~~~~~~~~~~~~
foo.cc:97:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &x, &y, &z);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

自豪的采用 HydroJudge 进行评测(github.com/hydro-dev/HydroJudge)

正在同步测试数据，请稍后
{"receive":"2020-08-10T06:35:03.212Z","handle":"2020-08-10T06:35:03.212Z","cache_start":"2020-08-10T06:35:03.220Z","read_cases":"2020-08-10T06:35:05.447Z","judge":"2020-08-10T06:35:05.447Z","done":"2020-08-10T06:35:06.163Z"}