Eroare de compilare: user.cpp:4:32: error: ‘int y1’ redeclared as different kind of symbol int i,n=0,v[100001],p,m=0,ct=0,y1,y2,y3,x=0,z; ^ 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:90:11: error: assignment of function ‘double y1(double)’ y1=1; ^ user.cpp:90:11: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:91:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] while(y1<n && y2!=-1 && y3!=-1) ^ user.cpp:93:25: warning: pointer to a function used in arithmetic [-Wpointer-arith] y2=verif(y1+1); ^ user.cpp:93:24: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] y2=verif(y1+1); ^ user.cpp:6:5: error: initializing argument 1 of ‘int verif(int)’ [-fpermissive] int verif(int a) ^ user.cpp:97:27: error: invalid types ‘int [100001][double(double)throw ()]’ for array subscript while(v[y1]>v[y2] && v[y2]<v[y3] && y3!=-1) ^ user.cpp:100:28: error: invalid types ‘int [100001][double(double)throw ()]’ for array subscript if(v[y1]>v[y3]) ^ user.cpp:101:33: error: invalid types ‘int [100001][double(double)throw ()]’ for array subscript ct+=v[y1]; ^ user.cpp:108:25: warning: pointer to a function used in arithmetic [-Wpointer-arith] z=verifs(y1-1); ^ user.cpp:108:24: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] z=verifs(y1-1); ^ user.cpp:20:5: error: initializing argument 1 of ‘int verifs(int)’ [-fpermissive] int verifs(int a) ^ user.cpp:110:19: error: assignment of function ‘double y1(double)’ y1=z; ^ user.cpp:110:19: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment