Eroare de compilare: main.cpp: In function 'void SparseTables::Init(std::vector<long long int>)': main.cpp:32:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v.size();++i) ~^~~~~~~~~ main.cpp: In function 'void read()': main.cpp:3:11: error: reference to 'cin' is ambiguous #define f cin ^ main.cpp:54:2: note: in expansion of macro 'f' f>>n>>m; ^ main.cpp:3:11: note: candidates are: std::ifstream cin #define f cin ^ main.cpp:50:10: note: in expansion of macro 'f' ifstream f("rmq.in"); ^ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0, from main.cpp:1: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:3:11: error: reference to 'cin' is ambiguous #define f cin ^ main.cpp:59:4: note: in expansion of macro 'f' f>>x; ^ main.cpp:3:11: note: candidates are: std::ifstream cin #define f cin ^ main.cpp:50:10: note: in expansion of macro 'f' ifstream f("rmq.in"); ^ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0, from main.cpp:1: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp: In function 'void solve()': main.cpp:3:11: error: reference to 'cin' is ambiguous #define f cin ^ main.cpp:69:6: note: in expansion of macro 'f' f>>left>>right; ^ main.cpp:3:11: note: candidates are: std::ifstream cin #define f cin ^ main.cpp:50:10: note: in expansion of macro 'f' Non zero exit status: 1