Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i = 0; i < edge[node].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void rmqcalc()': main.cpp:31:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int i = 0; i < euler.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:36:49: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(int i = 0; i + (1 << level) <= euler.size(); i++) { | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'void reinitializare(int)': main.cpp:63:49: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int i = 0; i + (1 << level) <= euler.size(); i++) | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~