Eroare de compilare: user.cpp:9:14: error: ‘int y1’ redeclared as different kind of symbol int T,n,m,x1,y1,x2,y2,t1,t2; ^ In file included from /usr/include/features.h:346:0, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/os_defines.h:39, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/c++config.h:420, from /usr/local/include/c++/4.8.0/cstdio:41, from user.cpp:1: /usr/include/bits/mathcalls.h:242:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:26:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘double (*)(double)throw ()’ [-Wformat=] scanf("%d",&y1); ^ user.cpp:31:20: warning: pointer to a function used in arithmetic [-Wpointer-arith] t2=n-x2+mod(y1-y2); ^ user.cpp:31:19: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] t2=n-x2+mod(y1-y2); ^ user.cpp:10:5: error: initializing argument 1 of ‘int mod(int)’ [-fpermissive] int mod(int x) ^