Compilare: user.cpp: In function ‘void eliminare(int)’: user.cpp:12:9: warning: unused variable ‘nr’ [-Wunused-variable] int nr = 0; ^ user.cpp:13:9: warning: unused variable ‘nrp1’ [-Wunused-variable] int nrp1 = 0, nrp2 = 0; ^ user.cpp:13:19: warning: unused variable ‘nrp2’ [-Wunused-variable] int nrp1 = 0, nrp2 = 0; ^ user.cpp: In function ‘int main()’: user.cpp:25:9: warning: unused variable ‘l’ [-Wunused-variable] int l; ^ user.cpp:24:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n",&n); ^ user.cpp:32:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%c",&s[j]); ^ user.cpp:33:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] if(s[j] == 'E') { fscanf(f,"\n");break;} ^