Compilare: user.cpp: In function ‘int main()’: user.cpp:41:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d ",&n,&m); ^ user.cpp:64:18: warning: ‘yj’ may be used uninitialized in this function [-Wmaybe-uninitialized] lee(xj,yj,jd); ^ user.cpp:64:18: warning: ‘xj’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:63:18: warning: ‘yr’ may be used uninitialized in this function [-Wmaybe-uninitialized] lee(xr,yr,rd); ^ user.cpp:63:18: warning: ‘xr’ may be used uninitialized in this function [-Wmaybe-uninitialized]