Compilare: user.cpp: In function ‘bool verifica(int)’: user.cpp:14:9: warning: unused variable ‘s’ [-Wunused-variable] int s = 0,nr = 0,i = 0,ind = 0; ^ user.cpp: In function ‘int main()’: user.cpp:52:9: warning: unused variable ‘s’ [-Wunused-variable] int s = 0,nr = 0,i = 0,ind = 0; ^ user.cpp:46:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d",&n,&k); ^ user.cpp:48:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&dist[i]); ^