foo.cc: In function 'void do1(int, std::map<int, int>&)':
foo.cc:20:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=0;i<v.size()&&v[i]<=x;++i)
             ~^~~~~~~~~
foo.cc:26:13: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
             else
             ^~~~
foo.cc:28:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
                 return ;
                 ^~~~~~
foo.cc:35:13: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
             else
             ^~~~
foo.cc:37:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
                 x/=v[i];
                 ^
foo.cc: In function 'int main()':
foo.cc:80:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(it=q.begin();it!=q.end();++it)
     ^~~
foo.cc:85:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
         cout<<t<<endl;
         ^~~~

[Hydro](https://hydro.ac)提供评测服务