Compilare: main.cpp: In function 'void set_012(std::vector<int>, int)': main.cpp:91:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(int i = 0; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp:97:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 97 | for(int i = 0; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp:108:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(int i = 0; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp:113:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for(int i = 0; i + 1 < poz_12.size(); i++) { | ~~~~~~^~~~~~~~~~~~~~~ main.cpp:127:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | for(int i = 0; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp:132:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 132 | for(int i = 0; i + 1 < poz_2.size(); i++) { | ~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:295:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 295 | for(int i = 0; i < qs.size(); i++) { | ~~^~~~~~~~~~~