Compilare: main.cpp: In function 'void sterge(int, int)': main.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=y;j<v[x].size()-1;j++) ~^~~~~~~~~~~~~~ main.cpp:31:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=x;i<v[y].size()-1;i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void ctc(int, int)': main.cpp:40:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[x].size();j++) ~^~~~~~~~~~~~