Compilare: user.cpp: In function ‘int main()’: user.cpp:84:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maxq.in", "r", stdin); ^ user.cpp:85:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maxq.out", "w", stdout); ^ user.cpp:86:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:89:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&val); ^ user.cpp:93:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(scanf("%d",&m);m;m--) ^ user.cpp:95:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&a,&x,&y); ^ user.cpp: In function ‘inarbore arbint_query(int, int, int)’: user.cpp:70:32: warning: ‘auxdr.inarbore::dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] auxnod.dr+=auxst.dr; ^ user.cpp:65:32: warning: ‘auxdr.inarbore::st’ may be used uninitialized in this function [-Wmaybe-uninitialized] auxnod.st+=auxdr.st; ^ user.cpp:79:12: warning: ‘auxdr.inarbore::mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] return auxnod; ^ user.cpp:68:9: warning: ‘auxdr.inarbore::pozdr’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(auxnod.pozdr==mid+1 && auxst.dr>0) ^ user.cpp:79:12: warning: ‘auxdr.inarbore::pozst’ may be used uninitialized in this function [-Wmaybe-uninitialized] return auxnod; ^ user.cpp:70:32: warning: ‘auxst.inarbore::dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] auxnod.dr+=auxst.dr; ^ user.cpp:65:32: warning: ‘auxst.inarbore::st’ may be used uninitialized in this function [-Wmaybe-uninitialized] auxnod.st+=auxdr.st; ^ user.cpp:63:9: warning: ‘auxst.inarbore::pozst’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(auxnod.pozst==mid && auxdr.st>0) ^