Eroare de compilare: user.cpp: In function ‘void unire(int, int)’: user.cpp:8:17: error: ‘rad’ was not declared in this scope int rx=rad(x),ry=rad(y); ^ user.cpp:9:11: error: ‘ry’ was not declared in this scope t[rx]=ry; ^ user.cpp:10:5: error: ‘lung’ was not declared in this scope lung[ry]+=lung[rx]; ^ user.cpp: In function ‘int main()’: user.cpp:24:18: error: invalid types ‘int[int]’ for array subscript f>>q[j][0]; ^ user.cpp:25:15: error: invalid types ‘int[int]’ for array subscript q[i][1]=i]; ^ user.cpp:25:18: error: expected ‘;’ before ‘]’ token q[i][1]=i]; ^ user.cpp:40:22: error: invalid types ‘int[int]’ for array subscript if(q[j][0]<q[j-1][0]) ^ user.cpp:40:32: error: invalid types ‘int[int]’ for array subscript if(q[j][0]<q[j-1][0]) ^ user.cpp:42:27: error: invalid types ‘int[int]’ for array subscript aux=q[j][0]; ^ user.cpp:43:23: error: invalid types ‘int[int]’ for array subscript q[j][0]=q[j-1][0]; ^ user.cpp:43:33: error: invalid types ‘int[int]’ for array subscript q[j][0]=q[j-1][0]; ^ user.cpp:44:25: error: invalid types ‘int[int]’ for array subscript q[j-1][0]=aux; ^ user.cpp:45:27: error: invalid types ‘int[int]’ for array subscript aux=q[j][1]; ^ user.cpp:46:23: error: invalid types ‘int[int]’ for array subscript q[j][1]=q[j-1][1]; ^ user.cpp:46:33: error: invalid types ‘int[int]’ for array subscript q[j][1]=q[j-1][1]; ^ user.cpp:47:25: error: invalid types ‘int[int]’ for array subscript q[j-1][1]=aux; ^