Compilare: main.cpp: In function 'int main()': main.cpp:72:53: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 72 | for (int i = 1; i <= n && subseq.size() != seg * 2; ++i) | ~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp:90:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for (int i = 0; i < modify.size() / 2; ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:23:16: warning: unused variable 'z' [-Wunused-variable] 23 | int n, z; | ^