foo.cc: In function 'int main()':
foo.cc:46:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |      for(int j=0;j<v[rr].size();j++){
      |                  ~^~~~~~~~~~~~~
foo.cc:30:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   30 |     int q;scanf("%d",&q);
      |           ~~~~~^~~~~~~~~
foo.cc:32:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   32 |  scanf("%d%d",&p[i].l,&p[i].r);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Found 20 testcases.