Eroare de compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:14:3: error: reference to 'ranges' is ambiguous 14 | ranges[nod] = {k, k}; | ^~~~~~ In file included from /usr/include/c++/12.2.1/compare:39, from /usr/include/c++/12.2.1/bits/stl_pair.h:65, from /usr/include/c++/12.2.1/bits/stl_algobase.h:64, from /usr/include/c++/12.2.1/bits/specfun.h:45, from /usr/include/c++/12.2.1/cmath:1935, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:41, from main.cpp:1: /usr/include/c++/12.2.1/concepts:163:13: note: candidates are: 'namespace std::ranges { }' 163 | namespace ranges | ^~~~~~ main.cpp:7:5: note: 'pii ranges [100002]' 7 | pii ranges[NMAX]; | ^~~~~~ main.cpp:21:3: error: reference to 'ranges' is ambiguous 21 | ranges[nod].second = k; | ^~~~~~ /usr/include/c++/12.2.1/concepts:163:13: note: candidates are: 'namespace std::ranges { }' 163 | namespace ranges | ^~~~~~ main.cpp:7:5: note: 'pii ranges [100002]' 7 | pii ranges[NMAX]; | ^~~~~~ main.cpp: In function 'int main()': main.cpp:40:21: error: reference to 'ranges' is ambiguous 40 | auto [l, r] = ranges[p]; | ^~~~~~ /usr/include/c++/12.2.1/concepts:163:13: note: candidates are: 'namespace std::ranges { }' 163 | namespace ranges | ^~~~~~ main.cpp:7:5: note: 'pii ranges [100002]' 7 | pii ranges[NMAX]; | ^~~~~~ Non zero exit status: 1