Eroare de compilare: main.cpp: In function 'void precompute_rmq()': main.cpp:67:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int32_t i = 0; i < eulerTour.size(); i++) { ~~^~~~~~~~~~~~~~~~~~ main.cpp:74:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int32_t i = 1; i <= eulerTour.size(); i++) { ~~^~~~~~~~~~~~~~~~~~~ main.cpp:85:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int32_t j = 0; j < eulerTour.size(); j++) { ~~^~~~~~~~~~~~~~~~~~ main.cpp:87:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j + (1 << (i - 1)) < eulerTour.size()) { ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:184:34: error: 'stdin' is not a member of 'std' freopen("traffickers.in", "r", std::stdin); ^~~ main.cpp:184:34: note: suggested alternative: In file included from /usr/include/c++/6/cstdio:42:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:46, from main.cpp:1: /usr/include/stdio.h:168:25: note: 'stdin' extern struct _IO_FILE *stdin; /* Standard input stream. */ ^~~~~ main.cpp:185:35: error: 'stdout' is not a member of 'std' freopen("traffickers.out", "w", std::stdout); ^~~ main.cpp:185:35: note: suggested alternative: In file included from /usr/include/c++/6/cstdio:42:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:46, from main.cpp:1: /usr/include/stdio.h:169:25: note: 'stdout' extern struct _IO_FILE *stdout; /* Standard output stream. */ ^~~~~~ Non zero exit status: 1