Compilare: main.cpp: In function 'int Parse(int&)': main.cpp:15:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while( idx < s.size() && s[idx] != ' ' ) { ~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:28:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < s.size(); ++i ){ ~~^~~~~~~~~~ main.cpp:44:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < V.size(); ++i ) ~~^~~~~~~~~~ main.cpp:49:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < V.size(); ++i ) ~~^~~~~~~~~~