Compilare: user.cpp: In function ‘int main()’: user.cpp:89:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < good.size(); ++i){ ^ user.cpp:95:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < good.size(); ++j) if(dp[j][i] <= kmans) ^ user.cpp:96:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < good.size(); ++k) ^ user.cpp:104:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < good.size(); ++i) ^ user.cpp:112:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < good.size(); ++i){ ^ /tmp/ccL78KlW.o: In function `main': user.cpp:(.text.startup+0x7c): warning: the `gets' function is dangerous and should not be used.