Compilare: user.cpp: In function ‘int main()’: user.cpp:11:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%lld",&n); ^ user.cpp:13:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%lld ",&nr); ^ user.cpp:18:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%lld",&l); ^ user.cpp:21:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%lld",&n); ^ user.cpp:24:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%lld ",&nr); ^ user.cpp:64:5: warning: ‘vas’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (vas==1){ ^ user.cpp:51:30: warning: ‘sus’ may be used uninitialized in this function [-Wmaybe-uninitialized] sus-=nr/2; ^ user.cpp:50:30: warning: ‘jos’ may be used uninitialized in this function [-Wmaybe-uninitialized] jos-=nr/2; ^