Compilare: user.cpp: In function ‘int main()’: user.cpp:31:15: warning: unused variable ‘ii’ [-Wunused-variable] long long ii,T; ^ user.cpp:34:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&T); ^ user.cpp:37:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld %lld %lld",&x,&y,&z); ^