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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#607009	#4120. 双旋转字符串	3un_larryfunc	Compile Error	/	/	C++20	2.3kb	2024-10-03 13:36:11	2024-10-03 13:36:13
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Details

answer.code: In function ‘void KMP(bool)’:
answer.code:49:33: error: reference to ‘next’ is ambiguous
   49 |         while(k&&a[j]!=a[k+1])k=next[k];
      |                                 ^~~~
In file included from /usr/include/c++/13/bits/stl_algobase.h:66,
                 from /usr/include/c++/13/algorithm:60,
                 from answer.code:3:
/usr/include/c++/13/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: ‘template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)’
  232 |     next(_InputIterator __x, typename
      |     ^~~~
answer.code:15:57: note:                 ‘int next [4000001]’
   15 | int i,j,Ts,Tt,n,m,w,u,v,b1[M1],b2[M2],h1[M1],h2[M2],len,next[N];
      |                                                         ^~~~
answer.code:50:25: error: reference to ‘next’ is ambiguous
   50 |         if(a[j]==a[k+1])next[j]=++k;
      |                         ^~~~
/usr/include/c++/13/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: ‘template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)’
  232 |     next(_InputIterator __x, typename
      |     ^~~~
answer.code:15:57: note:                 ‘int next [4000001]’
   15 | int i,j,Ts,Tt,n,m,w,u,v,b1[M1],b2[M2],h1[M1],h2[M2],len,next[N];
      |                                                         ^~~~
answer.code:56:33: error: reference to ‘next’ is ambiguous
   56 |         while(k&&s[j]!=a[k+1])k=next[k];
      |                                 ^~~~
/usr/include/c++/13/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: ‘template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)’
  232 |     next(_InputIterator __x, typename
      |     ^~~~
answer.code:15:57: note:                 ‘int next [4000001]’
   15 | int i,j,Ts,Tt,n,m,w,u,v,b1[M1],b2[M2],h1[M1],h2[M2],len,next[N];
      |                                                         ^~~~
answer.code:69:15: error: reference to ‘next’ is ambiguous
   69 |             k=next[k];
      |               ^~~~
/usr/include/c++/13/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: ‘template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)’
  232 |     next(_InputIterator __x, typename
      |     ^~~~
answer.code:15:57: note:                 ‘int next [4000001]’
   15 | int i,j,Ts,Tt,n,m,w,u,v,b1[M1],b2[M2],h1[M1],h2[M2],len,next[N];
      |                                                         ^~~~
answer.code: In function ‘int main()’:
answer.code:76:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   76 |     scanf("%d%d%d%d",&Ts,&Tt,&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
answer.code:81:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   81 |         scanf("%s",s+1);
      |         ~~~~~^~~~~~~~~~
answer.code:104:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  104 |         scanf("%s",s+1);
      |         ~~~~~^~~~~~~~~~