Compilare: main.cpp: In function 'void built()': main.cpp:14:28: warning: unused variable 'tata' [-Wunused-variable] 14 | int nod=q.front(), tata; | ^~~~ main.cpp: In function 'int main()': main.cpp:47:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int j=0; j<g[tata].size(); j++) | ~^~~~~~~~~~~~~~~ main.cpp:55:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for(int j=0; j<g[tata].size(); j++) | ~^~~~~~~~~~~~~~~ main.cpp:65:27: warning: variable 'ant' set but not used [-Wunused-but-set-variable] 65 | int x, y, maxx=0, ant=0, after=0; | ^~~ main.cpp:58:21: warning: 'poz1' may be used uninitialized in this function [-Wmaybe-uninitialized] 58 | if(g[tata][j]==poz1) dp[poz1]=mxx2; | ^~