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View Compilation Error

0_0_39819734_30303.cpp:21:6: error: variable or field 'change' declared void
   21 | void change(complex y[],int len){
      |      ^~~~~~
0_0_39819734_30303.cpp:21:13: error: reference to 'complex' is ambiguous
   21 | void change(complex y[],int len){
      |             ^~~~~~~
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/ccomplex:39,
                 from .\stdc++.h:127:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:67:32: note: candidates are: 'template<class _Tp> class std::complex'
   67 |   template<typename _Tp> class complex;
      |                                ^~~~~~~
0_0_39819734_30303.cpp:6:8: note:                 'struct complex'
    6 | struct complex{
      |        ^~~~~~~
0_0_39819734_30303.cpp:21:25: error: expected primary-expression before 'int'
   21 | void change(complex y[],int len){
      |                         ^~~
0_0_39819734_30303.cpp:35:6: error: variable or field 'fft' declared void
   35 | void fft(complex y[],int len,int on)
      |      ^~~
0_0_39819734_30303.cpp:35:10: error: reference to 'complex' is ambiguous
   35 | void fft(complex y[],int len,int on)
      |          ^~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:67:32: note: candidates are: 'template<class _Tp> class std::complex'
   67 |   template<typename _Tp> class complex;
      |                                ^~~~~~~
0_0_39819734_30303.cpp:6:8: note:                 'struct complex'
    6 | struct complex{
      |        ^~~~~~~
0_0_39819734_30303.cpp:35:22: error: expected primary-expression before 'int'
   35 | void fft(complex y[],int len,int on)
      |                      ^~~
0_0_39819734_30303.cpp:35:30: error: expected primary-expression before 'int'
   35 | void fft(complex y[],int len,int on)
      |                              ^~~
0_0_39819734_30303.cpp:55:6: error: variable or field 'convert' declared void
   55 | void convert(complex a[],complex b[],int len){
      |      ^~~~~~~
0_0_39819734_30303.cpp:55:14: error: reference to 'complex' is ambiguous
   55 | void convert(complex a[],complex b[],int len){
      |              ^~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:67:32: note: candidates are: 'template<class _Tp> class std::complex'
   67 |   template<typename _Tp> class complex;
      |                                ^~~~~~~
0_0_39819734_30303.cpp:6:8: note:                 'struct complex'
    6 | struct complex{
      |        ^~~~~~~
0_0_39819734_30303.cpp:55:26: error: reference to 'complex' is ambiguous
   55 | void convert(complex a[],complex b[],int len){
      |                          ^~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:67:32: note: candidates are: 'template<class _Tp> class std::complex'
   67 |   template<typename _Tp> class complex;
      |                                ^~~~~~~
0_0_39819734_30303.cpp:6:8: note:                 'struct complex'
    6 | struct complex{
      |        ^~~~~~~
0_0_39819734_30303.cpp:55:38: error: expected primary-expression before 'int'
   55 | void convert(complex a[],complex b[],int len){
      |                                      ^~~
0_0_39819734_30303.cpp:62:1: error: reference to 'complex' is ambiguous
   62 | complex x1[maxn],x2[maxn];
      | ^~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:67:32: note: candidates are: 'template<class _Tp> class std::complex'
   67 |   template<typename _Tp> class complex;
      |                                ^~~~~~~
0_0_39819734_30303.cpp:6:8: note:                 'struct complex'
    6 | struct complex{
      |        ^~~~~~~
0_0_39819734_30303.cpp: In function 'int main()':
0_0_39819734_30303.cpp:72:13: error: 'x1' was not declared in this scope
   72 |             x1[i]=complex(str1[len1-1-i]-'0',0);
      |             ^~
0_0_39819734_30303.cpp:72:19: error: reference to 'complex' is ambiguous
   72 |             x1[i]=complex(str1[len1-1-i]-'0',0);
      |                   ^~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:67:32: note: candidates are: 'template<class _Tp> class std::complex'
   67 |   template<typename _Tp> class complex;
      |                                ^~~~~~~
0_0_39819734_30303.cpp:6:8: note:                 'struct complex'
    6 | struct complex{
      |        ^~~~~~~
0_0_39819734_30303.cpp:74:13: error: 'x1' was not declared in this scope
   74 |             x1[i]=complex(0,0);
      |             ^~
0_0_39819734_30303.cpp:74:19: error: reference to 'complex' is ambiguous
   74 |             x1[i]=complex(0,0);
      |                   ^~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:67:32: note: candidates are: 'template<class _Tp> class std::complex'
   67 |   template<typename _Tp> class complex;
      |                                ^~~~~~~
0_0_39819734_30303.cpp:6:8: note:                 'struct complex'
    6 | struct complex{
      |        ^~~~~~~
0_0_39819734_30303.cpp:76:13: error: 'x2' was not declared in this scope
   76 |             x2[i]=complex(str2[len2-1-i]-'0',0);
      |             ^~
0_0_39819734_30303.cpp:76:19: error: reference to 'complex' is ambiguous
   76 |             x2[i]=complex(str2[len2-1-i]-'0',0);
      |                   ^~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:67:32: note: candidates are: 'template<class _Tp> class std::complex'
   67 |   template<typename _Tp> class complex;
      |                                ^~~~~~~
0_0_39819734_30303.cpp:6:8: note:                 'struct complex'
    6 | struct complex{
      |        ^~~~~~~
0_0_39819734_30303.cpp:78:13: error: 'x2' was not declared in this scope
   78 |             x2[i]=complex(0,0);
      |             ^~
0_0_39819734_30303.cpp:78:19: error: reference to 'complex' is ambiguous
   78 |             x2[i]=complex(0,0);
      |                   ^~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:67:32: note: candidates are: 'template<class _Tp> class std::complex'
   67 |   template<typename _Tp> class complex;
      |                                ^~~~~~~
0_0_39819734_30303.cpp:6:8: note:                 'struct complex'
    6 | struct complex{
      |        ^~~~~~~
0_0_39819734_30303.cpp:80:29: error: 'x1' was not declared in this scope
   80 |             printf("%.0lf ",x1[i].r);
      |                             ^~
0_0_39819734_30303.cpp:83:29: error: 'x2' was not declared in this scope
   83 |             printf("%.0lf ",x2[i].r);
      |                             ^~
0_0_39819734_30303.cpp:85:17: error: 'x1' was not declared in this scope
   85 |         convert(x1,x2,len);
      |                 ^~
0_0_39819734_30303.cpp:85:20: error: 'x2' was not declared in this scope
   85 |         convert(x1,x2,len);
      |                    ^~
0_0_39819734_30303.cpp:85:9: error: 'convert' was not declared in this scope; did you mean 'const'?
   85 |         convert(x1,x2,len);
      |         ^~~~~~~
      |         const


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