Compilare: main.cpp: In function 'void Solve(int)': main.cpp:12:19: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 12 | for(int j=1;(1<<j-1)<=n;j++) | ~^~ main.cpp:16:20: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 16 | if (i & (1 << j - 1)) | ~~^~~ main.cpp:21:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for (int i = 0; i < ans.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:23:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for (int j = 0; j < ans[i].size(); j++) | ~~^~~~~~~~~~~~~~~