Compilare: main.cpp: In function 'int main()': main.cpp:22:23: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 22 | while(fvst.size() < L && poz < N) { | ~~~~~~~~~~~~^~~ main.cpp:28:24: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 28 | if(fvst.size() < L) { | ~~~~~~~~~~~~^~~ main.cpp:36:23: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 36 | while(fvdr.size() <= U && poz < N) { | ~~~~~~~~~~~~^~~~ main.cpp:58:27: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 58 | while(fvst.size() < L && st < N - 1) { | ~~~~~~~~~~~~^~~ main.cpp:63:39: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 63 | if(st == N - 1 && fvst.size() < L) | ~~~~~~~~~~~~^~~ main.cpp:66:27: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 66 | while(fvdr.size() <= U && dr < N - 1) { | ~~~~~~~~~~~~^~~~