Eroare de compilare: user.cpp:4:43: error: ‘int y1’ redeclared as different kind of symbol int i,x,y,n,m,c,k,j,cost,t[400007],aux,x1,y1,nr,h[400007],s,poz[400007]; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/cstdio:41, 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 ‘int main()’: user.cpp:48:11: error: assignment of function ‘double y1(double)’ y1=tata(a[i].y); ^ user.cpp:48:11: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:49:16: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if(x1!=y1) ^ user.cpp:51:26: error: invalid types ‘int [400007][double(double)throw ()]’ for array subscript if(h[x1]<h[y1]) t[x1]=y1; ^ user.cpp:51:34: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] if(h[x1]<h[y1]) t[x1]=y1; ^ user.cpp:52:22: error: invalid types ‘int [400007][double(double)throw ()]’ for array subscript else t[y1]=x1; ^ user.cpp:53:27: error: invalid types ‘int [400007][double(double)throw ()]’ for array subscript if(h[x1]==h[y1]) h[y1]++; ^ user.cpp:53:34: error: invalid types ‘int [400007][double(double)throw ()]’ for array subscript if(h[x1]==h[y1]) h[y1]++; ^ user.cpp:25:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("apm.in", "r", stdin); ^ user.cpp:26:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("apm.out", "w", stdout); ^ user.cpp:27:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d", &n, &m); ^ user.cpp:30:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &x, &y, &c); ^