Compilare: main.cpp: In function 'std::vector<std::vector<int> > identifyIncreasingSequences(const std::vector<int>&)': main.cpp:13:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for (int i = 0; i < arr.size(); ++i) { | ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:51:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | while (i < seq1.size() && j < seq2.size()) { | ~~^~~~~~~~~~~~~ main.cpp:51:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | while (i < seq1.size() && j < seq2.size()) { | ~~^~~~~~~~~~~~~ main.cpp:60:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | while (i < seq1.size()) { | ~~^~~~~~~~~~~~~ main.cpp:64:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | while (j < seq2.size()) { | ~~^~~~~~~~~~~~~