/in/foo.cc: In function 'void SSSP(int, int)':
/in/foo.cc:28:19: warning: overflow in implicit constant conversion [-Woverflow]
         dist[i] = LONG_MAX;
                   ^~~~~~~~
/in/foo.cc: In function 'void Run()':
/in/foo.cc:58:18: warning: unused variable 'k' [-Wunused-variable]
     int n, i, j, k, u, v, tmp, d, s;
                  ^
/in/foo.cc:58:27: warning: unused variable 'tmp' [-Wunused-variable]
     int n, i, j, k, u, v, tmp, d, s;
                           ^~~
/in/foo.cc:58:32: warning: unused variable 'd' [-Wunused-variable]
     int n, i, j, k, u, v, tmp, d, s;
                                ^