Compilare: main.cpp: In function 'std::set<int> query(int, int, int, int, int)': main.cpp:60:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 60 | for ( auto u : set2 ) | ^~~ main.cpp:63:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 63 | return set1 ; | ^~~~~~ main.cpp: In function 'void solve()': main.cpp:130:25: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 130 | if (set1.size() == v[i] ) | ~~~~~~~~~~~~^~~~~~~