Compilare: main.cpp: In function 'int main()': main.cpp:43:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j<v1[i].size()) ~^~~~~~~~~~~~~ main.cpp:48:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < teme.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:60:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < teme.size()+1; i++) ~~^~~~~~~~~~~~~~~ main.cpp:64:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < teme.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:70:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < teme.size(); i++) ~~^~~~~~~~~~~~~