Compilare: main.cpp: In function 'void DFS(long long int, long long int)': main.cpp:17:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(ll i = 0; i < v[nod].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp:38:7: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:44:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' dp[0][nod] %= MOD; ^~