0_0_23145858_20310.cpp: In member function 'void FFT::fft(int*, int*, int, int)':
0_0_23145858_20310.cpp:34:28: error: lvalue required as left operand of assignment
a1[i].real()=b1[i].real()=0,
^
0_0_23145858_20310.cpp:35:28: error: lvalue required as left operand of assignment
a1[i].imag()=b1[i].imag()=0;
^
0_0_23145858_20310.cpp:36:40: error: lvalue required as left operand of assignment
for(int i=l;i<=mid;++i)a1[i-l].real()=c[i];
^
0_0_23145858_20310.cpp:37:38: error: lvalue required as left operand of assignment
for(int i=0;i<=r-l;++i)b1[i].real()=d[i+1];
^
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