Compilare: main.cpp: In function 'int main()': main.cpp:23:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (poz[i].size()>k) ~~~~~~~~~~~~~^~ main.cpp:44:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (poz[v[i-1]].size()-f1[v[i-1]]>k) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ main.cpp:46:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (poz[v[i-1]].size()>f2[v[i-1]]+1) ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~