运行 ID: 32035

Main.cc: In function ‘int main()’:
Main.cc:60:22: error: request for member ‘push_back’ in ‘aa[i].std::vector::operator[](((std::vector::size_type)j))’, which is of non-class type ‘__gnu_cxx::__alloc_traits >::value_type {aka long long int}’
             aa[i][j].push_back(k);
                      ^~~~~~~~~
Main.cc:105:17: error: ‘b’ was not declared in this scope
                 b[i].insert(i);
                 ^
Main.cc:110:26: error: ‘b’ was not declared in this scope
             for (int y : b[x])
                          ^
Main.cc:116:32: error: ‘b’ was not declared in this scope
                 for (auto it = b[i].begin(); it != b[i].end();)
                                ^
Main.cc:120:36: error: unable to deduce ‘auto’ from ‘it’
                         auto it2 = it;
                                    ^~
Main.cc:131:13: error: ‘b’ was not declared in this scope
             b[i].insert(i);
             ^
Main.cc:144:13: error: ‘ls’ was not declared in this scope
             ls.clear();
             ^~
Main.cc:151:30: error: ‘b’ was not declared in this scope
                 for (int j : b[x])
                              ^
Main.cc:146:17: warning: unused variable ‘xx’ [-Wunused-variable]
             int xx;
                 ^~
Main.cc:48:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld", &n);
     ~~~~~^~~~~~~~~~~~
Main.cc:53:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &sz[i]);
         ~~~~~^~~~~~~~~~~~~~~~
Main.cc:59:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
             scanf("%lld", &k);
             ~~~~~^~~~~~~~~~~~
Main.cc:76:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &q);
         ~~~~~^~~~~~~~~~~~
Main.cc:80:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
             scanf("%lld", &k);
             ~~~~~^~~~~~~~~~~~
Main.cc:88:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
                 scanf("%lld", &x);
                 ~~~~~^~~~~~~~~~~~
Main.cc:102:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
             int l;scanf("%lld", &l);
                   ~~~~~^~~~~~~~~~~~
Main.cc:109:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
             scanf("%lld", &x);
             ~~~~~^~~~~~~~~~~~
Main.cc:115:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
                 scanf("%lld", &x);
                 ~~~~~^~~~~~~~~~~~
Main.cc:139:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &q);
         ~~~~~^~~~~~~~~~~~
Main.cc:143:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
             scanf("%lld", &k);
             ~~~~~^~~~~~~~~~~~
Main.cc:150:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
                 scanf("%lld", &x);
                 ~~~~~^~~~~~~~~~~~