Eroare de compilare: user.cpp:10:12: error: ‘int yn [2005]’ redeclared as different kind of symbol int yn[2005]; ^ 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:244:1: error: previous declaration of ‘double yn(int, double)’ __MATHCALL (yn,, (int, _Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:108:9: warning: pointer to a function used in arithmetic [-Wpointer-arith] yn[1] = o[fy].first - y1; ^ user.cpp:108:11: error: assignment of read-only location ‘*(yn + 1u)’ yn[1] = o[fy].first - y1; ^ user.cpp:108:11: error: cannot convert ‘int’ to ‘double(int, double)throw ()’ in assignment user.cpp:110:22: warning: pointer to a function used in arithmetic [-Wpointer-arith] yn[i - fy + 1] = yn[i - fy] + o[i].first - o[i - 1].second; ^ user.cpp:110:22: warning: pointer to a function used in arithmetic [-Wpointer-arith] user.cpp:110:35: warning: pointer to a function used in arithmetic [-Wpointer-arith] yn[i - fy + 1] = yn[i - fy] + o[i].first - o[i - 1].second; ^ user.cpp:110:44: warning: pointer to a function used in arithmetic [-Wpointer-arith] yn[i - fy + 1] = yn[i - fy] + o[i].first - o[i - 1].second; ^ user.cpp:110:61: warning: pointer to a function used in arithmetic [-Wpointer-arith] yn[i - fy + 1] = yn[i - fy] + o[i].first - o[i - 1].second; ^ user.cpp:110:24: error: assignment of read-only location ‘*(yn + (((sizetype)(i - fy)) + 1u))’ yn[i - fy + 1] = yn[i - fy] + o[i].first - o[i - 1].second; ^ user.cpp:110:24: error: cannot convert ‘double (*)(int, double)throw ()’ to ‘double(int, double)throw ()’ in assignment user.cpp:115:32: warning: pointer to a function used in arithmetic [-Wpointer-arith] if(xn[px] * dY == yn[py] * dX) { ^ user.cpp:115:36: error: invalid operands of types ‘double(int, double)throw ()’ and ‘int’ to binary ‘operator*’ if(xn[px] * dY == yn[py] * dX) { ^ user.cpp:120:36: warning: pointer to a function used in arithmetic [-Wpointer-arith] else if(xn[px] * dY < yn[py] * dX) px ++; ^ user.cpp:120:40: error: invalid operands of types ‘double(int, double)throw ()’ and ‘int’ to binary ‘operator*’ else if(xn[px] * dY < yn[py] * dX) px ++; ^ user.cpp:93:9: warning: unused variable ‘X’ [-Wunused-variable] int X = 0;