Compilare: user.cpp: In function ‘int main()’: user.cpp:76:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < dp.size(); ++i) ~~^~~~~~~~~~~ user.cpp:52:9: warning: variable ‘cost’ set but not used [-Wunused-but-set-variable] int cost, state, newState, newCost; ^~~~ user.cpp:99:25: warning: ‘lastSarja’ may be used uninitialized in this function [-Wmaybe-uninitialized] out << lastSarja << "\n"; ^~~~