Compilare: user.cpp: In function ‘int main()’: user.cpp:34:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:37:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {fscanf(f,"%d",&a[i][j]); ^ user.cpp:56:20: warning: ‘pozj’ may be used uninitialized in this function [-Wmaybe-uninitialized] afis(pozi,pozj); ^ user.cpp:56:20: warning: ‘pozi’ may be used uninitialized in this function [-Wmaybe-uninitialized]