Compilare: main.cpp: In function 'int main()': main.cpp:25:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(p1=0;p1<v[i].size()-1;p1++) ~~^~~~~~~~~~~~~~ main.cpp:27:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(p2<v[i].size()&&v[i][p1]+b>=v[i][p2]) ~~^~~~~~~~~~~~ main.cpp:36:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(p2==v[i].size()) ~~^~~~~~~~~~~~~