Compilare: user.cpp: In function ‘int main()’: user.cpp:84:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1;i <= comp_conx.size();++i) ^ user.cpp:87:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 1;j <= comp_conx.size();++j) ^ user.cpp:90:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j > comp_conx.size()) ^ user.cpp:93:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 1;j <= comp_conx.size();++j) ^ user.cpp:97:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j > comp_conx.size()) ^ user.cpp:106:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0;i < outN.size();++i) ^ user.cpp:109:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i < inN.size();++i) ^ user.cpp:116:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0;i < inN.size();++i) ^ user.cpp:119:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i < outN.size();++i) ^