Compilare: main.cpp: In function 'void update(int, int, int, int, int, int)': main.cpp:145:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 145 | while (p < t[aux].a.size() && q < t[aux + 1].a.size()) { | ~~^~~~~~~~~~~~~~~~~ main.cpp:145:45: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 145 | while (p < t[aux].a.size() && q < t[aux + 1].a.size()) { | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:158:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | while (p < t[aux].a.size()) | ~~^~~~~~~~~~~~~~~~~ main.cpp:160:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 160 | while (q < t2.size()) | ~~^~~~~~~~~~~ main.cpp:197:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 197 | for (int k = p; k < t[i].a.size(); k += k & -k) | ~~^~~~~~~~~~~~~~~