Eroare de compilare: user.cpp:15:16: error: ‘int y1’ redeclared as different kind of symbol int n,m,Max,x1,y1,x2,y2; ^ 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: In function ‘void BFS(int, int)’: user.cpp:83:28: error: assignment of function ‘double y1(double)’ y1 = j; ^ user.cpp:83:28: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp: In function ‘int main()’: user.cpp:169:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i<V.size(); i++) ^ user.cpp:173:26: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] make_path(x1,y1,x2,y2); ^ user.cpp:109:6: error: initializing argument 2 of ‘void make_path(int, int, int, int)’ [-fpermissive] void make_path(int i1,int j1,int i2,int j2) ^