Compilare: main.cpp: In function 'void unite(long long int)': main.cpp:33:39: warning: unused variable 'w' [-Wunused-variable] 33 | int x = E[idx].x , y = E[idx].y , w = E[idx].w; | ^ main.cpp: In function 'long long int solve(long long int, long long int)': main.cpp:73:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int i = 0 ; i < timp[qu[l]].size()/*log*/ ; ++ i){ | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:79:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | while(indici[j] < timp[qu[j]].size() && timp[qu[j]][indici[j]].fi < componenta) | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:78:17: warning: unused variable 'S' [-Wunused-variable] 78 | int S = timp[qu[j]].size(); | ^ main.cpp:119:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 119 | for(int i = 1 ; i < sep.size() ; ++ i){ | ~~^~~~~~~~~~~~ main.cpp:126:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for(int i = 0 ; i < sep.size() ; ++ i){ | ~~^~~~~~~~~~~~ main.cpp:72:9: warning: variable 'all' set but not used [-Wunused-but-set-variable] 72 | int all = -1;///componenta in care intra toate | ^~~