Compilare: user.cpp: In function ‘void explore(int)’: user.cpp:56:29: warning: unused variable ‘oldloc’ [-Wunused-variable] int oldloc = v[xnew][ynew]; ^ user.cpp: In function ‘int main()’: user.cpp:85:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d %d",&n,&m,&k); ^ user.cpp:88:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d",&p[i].x,&p[i].y); ^