Compilare: user.cpp: In function ‘int main()’: user.cpp:8:33: warning: unused variable ‘j’ [-Wunused-variable] int n,k,st,s,elem,dr,i,tk,mij,j,maxim=-1,sum=0; ^ user.cpp:6:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("transport.in","r",stdin); ^ user.cpp:7:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("transport.out","w",stdout); ^ user.cpp:38:13: warning: ‘elem’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<elem; ^