Compilare: user.cpp: In function ‘int main()’: user.cpp:99:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d %s %d",&N,v+1,&Q); ^ user.cpp:105:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d%d%d",&Type,&Start,&End); ^