Compilare: user.cpp: In function ‘int sterge(int, int&, int*, int*, int*)’: user.cpp:46:18: warning: unused variable ‘i’ [-Wunused-variable] int crt=a[k],i,j; ^ user.cpp:46:20: warning: unused variable ‘j’ [-Wunused-variable] int crt=a[k],i,j; ^ user.cpp: In function ‘int main()’: user.cpp:60:17: warning: unused variable ‘crt’ [-Wunused-variable] int i,j,k,o,crt; ^~~ user.cpp:66:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:72:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&o); ^ user.cpp:75:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&j); ^ user.cpp:82:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&j); ^