Compilare: user.cpp: In function ‘int main()’: user.cpp:83:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1;i <= comp_conx.size();++i) ^ user.cpp:86:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 1;j <= comp_conx.size();++j) ^ user.cpp:89:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j > comp_conx.size()) ^ user.cpp:92:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 1;j <= comp_conx.size();++j) ^ user.cpp:96:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j > comp_conx.size()) ^ user.cpp:105:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0;i < outN.size() - 1;++i) ^ user.cpp:108:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i < inN.size();++i) ^ user.cpp:115:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0;i < inN.size() - 1;++i) ^ user.cpp:118:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i < outN.size();++i) ^