Compilare: user.cpp: In function ‘void Do()’: user.cpp:49:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(i>=k) ^ user.cpp: In function ‘void Read()’: user.cpp:25:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:27:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&k); ^ user.cpp:30:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&a[i]); ^