Eroare de compilare: user.cpp:4:13: error: ‘int y1’ redeclared as different kind of symbol int s,n,i,y,y1,p,x,x1,a[1000005],k ; ^ 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:27:19: error: assignment of function ‘double y1(double)’ y1=x1+k; ^ user.cpp:27:19: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:29:19: error: assignment of function ‘double y1(double)’ y1=x1+k+1; ^ user.cpp:29:19: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:30:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if(y!=y1) ^ user.cpp:35:27: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] a[p-2]=y1; ^ user.cpp:7:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("noname3.in","r",stdin); ^ user.cpp:8:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("noname3.out","w",stdout); ^ user.cpp:9:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&s); ^