Compilare: user.cpp: In function ‘int main()’: user.cpp:13:21: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[100002]’ [-Wformat=] fscanf(f,"%s",&s); ^ user.cpp:10:46: warning: unused variable ‘k’ [-Wunused-variable] long long lg,i,nr=1,n,rez=0,z=0,semn=1,j,k,sm,sum,aux,u; ^ user.cpp:13:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",&s); ^ user.cpp:66:19: warning: ‘u’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(u%2==0) ^