Compilare: user.cpp: In function ‘int main()’: user.cpp:108:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < L[h].size(); i++) { ^ user.cpp:116:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < L[h].size(); i++) { ^ user.cpp:150:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < L[hmax].size(); i++) { ^ user.cpp:158:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < L[hmax].size(); i++) { ^ user.cpp:169:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; h >= D && i < L[h - D].size(); i++) { ^ user.cpp:176:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; h >= D && i < L[h - D].size(); i++) { ^ user.cpp:212:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < L[h].size(); i++) { ^ user.cpp:220:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < L[h].size(); i++) { ^