Compilare: main.cpp: In function 'int Union(int, int)': main.cpp:52:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:149:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1; i<avem[k].size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:154:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i= 1; i<avem[k].size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:179:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i= 1; i<avem[k].size(); i++) fin[k] = max(fin[k], dp[i]); ~^~~~~~~~~~~~~~~