Eroare de compilare: user.cpp:5:28: error: ‘long long int y1’ redeclared as different kind of symbol long long a, n, aux, r, c, y1, y0, y; ^ In file included from /usr/include/features.h:357:0, from /usr/include/assert.h:37, from /usr/include/c++/4.8/cassert:43, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:33, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:243:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp:5:32: error: ‘long long int y0’ redeclared as different kind of symbol long long a, n, aux, r, c, y1, y0, y; ^ In file included from /usr/include/features.h:357:0, from /usr/include/assert.h:37, from /usr/include/c++/4.8/cassert:43, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:33, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:242:1: error: previous declaration of ‘double y0(double)’ __MATHCALL (y0,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:14:17: error: assignment of function ‘double y1(double)’ aux = n, y1 = 1; ^ user.cpp:14:17: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:18:22: error: invalid operands of types ‘long long int’ and ‘double(double)throw ()’ to binary ‘operator*’ y = y0 - c * y1; ^ user.cpp:19:12: error: assignment of function ‘double y0(double)’ y0 = y1, y1 = y; ^ user.cpp:19:12: error: cannot convert ‘double(double)throw ()’ to ‘double(double)throw ()’ in assignment user.cpp:19:21: error: assignment of function ‘double y1(double)’ y0 = y1, y1 = y; ^ user.cpp:19:21: error: cannot convert ‘long long int’ to ‘double(double)throw ()’ in assignment user.cpp:23:12: warning: pointer to a function used in arithmetic [-Wpointer-arith] y0 += aux; ^ user.cpp:23:12: error: assignment of function ‘double y0(double)’ user.cpp:23:12: error: cannot convert ‘double (*)(double)throw ()’ to ‘double(double)throw ()’ in assignment user.cpp:25:24: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘double (*)(double)throw ()’ [-Wformat=] printf("%lld\n", y0); ^ user.cpp:9:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("inversmodular.in", "r", stdin); ^ user.cpp:10:46: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]