Compilare: main.cpp: In function 'int main()': main.cpp:7:46: warning: variable 'asta' set but not used [-Wunused-but-set-variable] int n,m,i,s,q,a,b,c,d,dreapta,stanga,pp,mijl,asta,b1,ldr,lst; ^~~~ main.cpp:8:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("tnia.in","r",stdin); ^ main.cpp:9:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("tnia.out","w",stdout); ^ main.cpp:35:13: warning: 'mijl' may be used uninitialized in this function [-Wmaybe-uninitialized] s=(c-mijl+1)*(d-b+1); ~^~~~~