Compilare: main.cpp: In function 'int main()': main.cpp:43:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dp[mask2].first > m || dp[mask2].first*V[pos] > m){ ~~~~~~~~~~~~~~~~^~~ main.cpp:43:66: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dp[mask2].first > m || dp[mask2].first*V[pos] > m){ ~~~~~~~~~~~~~~~~~~~~~~~^~~ main.cpp:31:9: warning: unused variable 't' [-Wunused-variable] int t,i,j,cates; ^ main.cpp:31:13: warning: unused variable 'j' [-Wunused-variable] int t,i,j,cates; ^