Compilare: user.cpp: In function ‘void ParcugHeight(int)’: user.cpp:107:9: warning: variable ‘t1’ set but not used [-Wunused-but-set-variable] int t1; ^ user.cpp:108:9: warning: variable ‘t2’ set but not used [-Wunused-but-set-variable] int t2; ^ user.cpp: In function ‘void Read()’: user.cpp:50:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:54:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &x, &y, &lgh); ^