Eroare de compilare: user.cpp:7:40: error: ‘int y1’ redeclared as different kind of symbol int i,n,m,p[200004],r[200004],x,y,s,x1,y1,nr; ^ 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:26:11: error: assignment of function ‘double y1(double)’ y1=y; ^ user.cpp:26:11: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:29:20: error: invalid types ‘int [200004][double(double)throw ()]’ for array subscript while (p[y1]!=y1) ^ user.cpp:30:20: error: invalid types ‘int [200004][double(double)throw ()]’ for array subscript y1=p[y1]; ^ user.cpp:31:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (x1!=y1) ^ user.cpp:36:27: error: invalid types ‘int [200004][double(double)throw ()]’ for array subscript if (r[x1]>r[y1]) ^ user.cpp:37:21: error: invalid types ‘int [200004][double(double)throw ()]’ for array subscript p[y1]=x1; ^ user.cpp:38:32: error: invalid types ‘int [200004][double(double)throw ()]’ for array subscript else if (r[x1]<r[y1]) ^ user.cpp:39:22: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] p[x1]=y1; ^ user.cpp:42:21: error: invalid types ‘int [200004][double(double)throw ()]’ for array subscript p[y1]=x; ^ user.cpp:10:33: 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:11:35: 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:12:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d", &n, &m); ^ user.cpp:14:81: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]