/in/foo.cc: In member function 'void sssp::Dij(int)':
/in/foo.cc:18:21: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
 #define FORR(i,a,b) for(register int i=(a);i<=(b);++i)
                     ^
/in/foo.cc:64:5: note: in expansion of macro 'FORR'
     FORR(i,1,n) d[i]=INF; d[s]=0;
     ^~~~
/in/foo.cc:64:27: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
     FORR(i,1,n) d[i]=INF; d[s]=0;
                           ^