Compilare: main.cpp: In function 'int main()': main.cpp:57:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<debt.size() and k<nodebt.size()) ~^~~~~~~~~~~~ main.cpp:57:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<debt.size() and k<nodebt.size()) ~^~~~~~~~~~~~~~