Compilare: main.cpp: In function 'int main()': main.cpp:47:33: warning: overflow in conversion from 'double' to 'std::vector<int>::value_type' {aka 'int'} changes value from '1.0e+18' to '2147483647' [-Woverflow] 47 | vector<int> dp ( n + 1, 1e18 ); | ^~~~ main.cpp:61:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for ( int j = 0 ; j < graf[ nod ].size() ; j ++ ) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:99:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for ( int i = 0 ; i < ubunt [ b ] .size() ; i ++ ) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:94:13: warning: unused variable 'a' [-Wunused-variable] 94 | int a = pq.front().first; | ^