Compilare: user.cpp: In function ‘void solve()’: user.cpp:46:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < nodes.size(); i++) ^ user.cpp:8:19: warning: left shift count >= width of type [enabled by default] #define INF (1 << 60) ^ user.cpp:47:18: note: in expansion of macro ‘INF’ dp[nodes[i]] = INF; ^ user.cpp:67:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < nodes.size(); i++) { ^ user.cpp: In function ‘int main()’: user.cpp:8:19: warning: left shift count >= width of type [enabled by default] #define INF (1 << 60) ^ user.cpp:125:17: note: in expansion of macro ‘INF’ cost[i][j] = INF; ^ user.cpp:8:19: warning: left shift count >= width of type [enabled by default] #define INF (1 << 60) ^ user.cpp:175:13: note: in expansion of macro ‘INF’ solution = INF; ^