Compilare: main.cpp: In function 'int main()': main.cpp:18:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i=0;i<M;i++) ~^~ main.cpp:27:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<v.size()) ~^~~~~~~~~ main.cpp:30:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(v[i].m>=N) ^~ main.cpp:32:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' v.erase(v.begin()+i); ^