Eroare de compilare: user.cpp:6:9: error: ‘int sin’ redeclared as different kind of symbol int sol,sin,ssf; ^ 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:66:1: error: previous declaration of ‘double sin(double)’ __MATHCALL (sin,, (_Mdouble_ __x)); ^ user.cpp: In function ‘int main()’: user.cpp:36:37: error: overloaded function with no contextual type information { if (sol<maxx) sol=maxx,sin=in,ssf=sf; st=m+1;} ^ user.cpp:40:36: error: overloaded function with no contextual type information printf("%d %d %d",sol+1,sin,ssf); ^ user.cpp:12:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sir.in","r",stdin); ^ user.cpp:13:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sir.out","w",stdout); ^ user.cpp:14:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d",&n,&x,&y,&z); ^ user.cpp:15:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (i=1;i<=n;i++) scanf("%d",&v[i]); ^