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View Compilation Error

0_0_19079689_29869.cpp:44:13: error: stray '\241' in program
             if(pho[i][j]==‘m‘){
             ^
0_0_19079689_29869.cpp:44:13: error: stray '\256' in program
0_0_19079689_29869.cpp:44:13: error: stray '\241' in program
0_0_19079689_29869.cpp:44:13: error: stray '\256' in program
0_0_19079689_29869.cpp:47:13: error: stray '\241' in program
             else if(pho[i][j]==‘H‘){
             ^
0_0_19079689_29869.cpp:47:13: error: stray '\256' in program
0_0_19079689_29869.cpp:47:13: error: stray '\241' in program
0_0_19079689_29869.cpp:47:13: error: stray '\256' in program
0_0_19079689_29869.cpp: In function 'bool init()':
0_0_19079689_29869.cpp:47:34: error: 'H' was not declared in this scope
             else if(pho[i][j]==‘H‘){
                                  ^
0_0_19079689_29869.cpp: In function 'bool SPFA()':
0_0_19079689_29869.cpp:72:5: error: reference to 'prev' is ambiguous
     prev[S]=-1;
     ^
0_0_19079689_29869.cpp:18:27: note: candidates are: int prev [500]
 int demond[MAXN],sp[MAXN],prev[MAXN]; //spSPFA中记录距离,prev记录上一个点路径
                           ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19079689_29869.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:193:5: note:                 template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type)
     prev(_BidirectionalIterator __x, typename
     ^
0_0_19079689_29869.cpp:84:17: error: reference to 'prev' is ambiguous
                 prev[v]=u;
                 ^
0_0_19079689_29869.cpp:18:27: note: candidates are: int prev [500]
 int demond[MAXN],sp[MAXN],prev[MAXN]; //spSPFA中记录距离,prev记录上一个点路径
                           ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19079689_29869.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:193:5: note:                 template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type)
     prev(_BidirectionalIterator __x, typename
     ^
0_0_19079689_29869.cpp: In function 'int argument()':
0_0_19079689_29869.cpp:98:13: error: reference to 'prev' is ambiguous
     for(i=T;prev[i]!=-1;i=prev[i]){
             ^
0_0_19079689_29869.cpp:18:27: note: candidates are: int prev [500]
 int demond[MAXN],sp[MAXN],prev[MAXN]; //spSPFA中记录距离,prev记录上一个点路径
                           ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19079689_29869.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:193:5: note:                 template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type)
     prev(_BidirectionalIterator __x, typename
     ^
0_0_19079689_29869.cpp:98:27: error: reference to 'prev' is ambiguous
     for(i=T;prev[i]!=-1;i=prev[i]){
                           ^
0_0_19079689_29869.cpp:18:27: note: candidates are: int prev [500]
 int demond[MAXN],sp[MAXN],prev[MAXN]; //spSPFA中记录距离,prev记录上一个点路径
                           ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19079689_29869.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:193:5: note:                 template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type)
     prev(_BidirectionalIterator __x, typename
     ^
0_0_19079689_29869.cpp:102:17: error: reference to 'prev' is ambiguous
     for(int i=T;prev[i]!=-1;i=prev[i]){
                 ^
0_0_19079689_29869.cpp:18:27: note: candidates are: int prev [500]
 int demond[MAXN],sp[MAXN],prev[MAXN]; //spSPFA中记录距离,prev记录上一个点路径
                           ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19079689_29869.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:193:5: note:                 template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type)
     prev(_BidirectionalIterator __x, typename
     ^
0_0_19079689_29869.cpp:102:31: error: reference to 'prev' is ambiguous
     for(int i=T;prev[i]!=-1;i=prev[i]){
                               ^
0_0_19079689_29869.cpp:18:27: note: candidates are: int prev [500]
 int demond[MAXN],sp[MAXN],prev[MAXN]; //spSPFA中记录距离,prev记录上一个点路径
                           ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19079689_29869.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:193:5: note:                 template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type)
     prev(_BidirectionalIterator __x, typename
     ^


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