Compilare: main.cpp: In constructor 'Graph::Graph(int, std::vector<std::vector<int> >&, bool)': main.cpp:101:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | for(int i=0;i<connections.size();i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::pair<long long int, int> > Graph::dijk(int)': main.cpp:126:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for(int i=1;i<connectionsWithCost.size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:141:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 141 | for (int i = 0; i < connectionsWithCost[head].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::shortestPathWithinKStops(int, int, int)': main.cpp:171:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 171 | for(int i=0;i<connectionsWithCost[destination].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::BfsZeroOne(long long int)': main.cpp:201:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 201 | for(int i=0;i<connectionsWithCost[head].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solution::findPath(int, int, std::vector<std::pair<long long int, int> >&, std::ofstream&)': main.cpp:291:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 291 | for(int i=0;i<result.size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In member function 'int Solution::dragoni1(int, std::vector<std::vector<std::pair<int, int> > >&, int*)': main.cpp:300:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 300 | for(int i=1;i<=connections.size();i++) | ~^~~~~~~~~~~~~~~~~~~~ main.cpp:312:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 312 | for(int i=0;i<connections[head].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Solution::dragoni2(int, int, std::vector<std::vector<std::pair<int, int> > >&, int*)': main.cpp:357:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 357 | for(int i=0;i<connections[current_node].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solution::rusuoaica()': main.cpp:533:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 533 | for(int i=0;i<edges.size();i++) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Solution::oracol()': main.cpp:572:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 572 | for(int i=0;i<edges.size();i++) | ~^~~~~~~~~~~~~ main.cpp: In member function 'std::vector<bool> Solution::distanceLimitedPathsExist(int, std::vector<std::vector<int> >&, std::vector<std::vector<int> >&)': main.cpp:641:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 641 | for(int i=0;i<queries.size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:647:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 647 | for(int i=0;i<queries.size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:651:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]