/in/foo.cc: In function 'void print(long long int)':
/in/foo.cc:25:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if(C>1<<20)Ot();if(x<0)sr[++C]=45,x=-x;
     ^~
/in/foo.cc:25:21: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
     if(C>1<<20)Ot();if(x<0)sr[++C]=45,x=-x;
                     ^~
/in/foo.cc:27:5: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
     while(sr[++C]=z[Z],--Z);sr[++C]='\n';
     ^~~~~
/in/foo.cc:27:29: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'while'
     while(sr[++C]=z[Z],--Z);sr[++C]='\n';
                             ^~
/in/foo.cc: In function 'void solve(int)':
/in/foo.cc:101:26: warning: unused variable 'totsz' [-Wunused-variable]
     calc(u),vis[u]=1;int totsz=size[u];
                          ^~~~~