Compilare: user.cpp: In member function ‘long long int Aint::query(int, int)’: user.cpp:92:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] fordef(i,0,vv.size()-1) sums[i] = all[vv[i]]; ^ user.cpp:11:37: note: in definition of macro ‘fordef’ #define fordef(it,a,b) for(it=a;it<=b;it++) ^ user.cpp:93:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] fordef(i,1,vv.size()-1) sums[i] += sums[i-1]; ^ user.cpp:11:37: note: in definition of macro ‘fordef’ #define fordef(it,a,b) for(it=a;it<=b;it++) ^ user.cpp:94:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<vv.size();i++) ^ user.cpp:95:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=i+1;j<vv.size();j++) ^ user.cpp: In function ‘int main()’: user.cpp:112:33: 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:113:35: 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:115:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:116:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fordef(i,1,n) scanf("%lld",&v[i]); ^ user.cpp:121:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ user.cpp:123:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&op,&x,&y); ^