Compilare: user.cpp: In function ‘int main()’: user.cpp:11:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d\n",&n); ^ user.cpp:23:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d\n",&n); ^ user.cpp:34:12: warning: ‘dtm’ may be used uninitialized in this function [-Wmaybe-uninitialized] i=dtm+1; ^ user.cpp:9:19: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,cc,cf,i,poz,dtm; ^