Eroare de compilare: user.cpp:5:1: error: ‘suing’ does not name a type suing namespace std; ^ user.cpp:7:41: error: ‘int y1 [40000]’ redeclared as different kind of symbol int x[40000],y[40000],x1[40000],y1[40000]; ^ 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/cstdlib: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:14:29: warning: too many arguments for format [-Wformat-extra-args] fscanf(f,"%d%d",&n,&m,&a); ^ user.cpp:18:14: warning: statement has no effect [-Wunused-value] x1[i]+x1[i-1]; ^ user.cpp:23:13: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[i]+y1[i-1]; ^ user.cpp:23:21: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[i]+y1[i-1]; ^ user.cpp:23:21: warning: pointer to a function used in arithmetic [-Wpointer-arith] user.cpp:23:21: error: invalid operands of types ‘double(double)throw ()’ and ‘double(double)throw ()’ to binary ‘operator+’ user.cpp:34:30: error: expected primary-expression before ‘)’ token for(k1=1;k1<=) ^ user.cpp:34:30: error: expected ‘;’ before ‘)’ token user.cpp:35:13: error: expected primary-expression before ‘}’ token } ^ user.cpp:35:13: error: expected ‘;’ before ‘}’ token user.cpp:11:17: warning: unused variable ‘ok’ [-Wunused-variable] int n,m,i,j,ok,nr,sum,a; ^ user.cpp:11:23: warning: unused variable ‘sum’ [-Wunused-variable] int n,m,i,j,ok,nr,sum,a; ^ user.cpp:13:11: warning: unused variable ‘g’ [-Wunused-variable] FILE *g=fopen("matrice.out","w"); ^ user.cpp:26:12: warning: unused variable ‘k2’ [-Wunused-variable] int k1,k2,p,l,op; ^ user.cpp:26:15: warning: unused variable ‘p’ [-Wunused-variable]