运行 ID: 35161

Main.cc:89:41: error: wrong number of template arguments (0, should be 1)
 priority_queue,greater<>>q;
                                         ^
In file included from /usr/include/c++/7/string:48:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from Main.cc:1:
/usr/include/c++/7/bits/stl_function.h:371:12: note: provided for ‘template struct std::greater’
     struct greater : public binary_function<_Tp, _Tp, bool>
            ^~~~~~~
Main.cc:89:42: error: template argument 3 is invalid
 priority_queue,greater<>>q;
                                          ^~
Main.cc: In function ‘int main()’:
Main.cc:105:18: error: request for member ‘empty’ in ‘q’, which is of non-class type ‘int’
         while(!q.empty()&&q.top().pos==i){
                  ^~~~~
Main.cc:105:29: error: request for member ‘top’ in ‘q’, which is of non-class type ‘int’
         while(!q.empty()&&q.top().pos==i){
                             ^~~
Main.cc:106:21: error: request for member ‘top’ in ‘q’, which is of non-class type ‘int’
             int x=q.top().id;
                     ^~~
Main.cc:107:15: error: request for member ‘pop’ in ‘q’, which is of non-class type ‘int’
             q.pop();
               ^~~
Main.cc:110:21: error: request for member ‘push’ in ‘q’, which is of non-class type ‘int’
             if(nx)q.push((node){nx+x-1,x});
                     ^~~~
Main.cc:116:17: error: request for member ‘push’ in ‘q’, which is of non-class type ‘int’
         if(nx)q.push((node){nx+i-1,i});
                 ^~~~
Main.cc: In function ‘void init()’:
Main.cc:58:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s",s+1);
     ~~~~~^~~~~~~~~~