运行 ID: 27901

Main.cc: In function ‘ll read()’:
Main.cc:17:9: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
         if(ch=='-')t=-1;ch=getchar();
         ^~
Main.cc:17:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
         if(ch=='-')t=-1;ch=getchar();
                         ^~
Main.cc: In function ‘void slv()’:
Main.cc:80:22: error: no matching function for call to ‘shuffle(node*, node*)’
     shuffle(d+1,d+m+1);
                      ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from Main.cc:1:
/usr/include/c++/7/bits/stl_algo.h:3792:5: note: candidate: template void std::shuffle(_RAIter, _RAIter, _UGenerator&&)
     shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last,
     ^~~~~~~
/usr/include/c++/7/bits/stl_algo.h:3792:5: note:   template argument deduction/substitution failed:
Main.cc:80:22: note:   candidate expects 3 arguments, 2 provided
     shuffle(d+1,d+m+1);
                      ^
Main.cc:95:22: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
     printf("%d\n",res);
                      ^
Main.cc:82:9: warning: unused variable ‘tim’ [-Wunused-variable]
     int tim=0;
         ^~~