Compilare: main.cpp: In constructor 'Graph::Graph(int, std::vector<std::vector<int> >&, bool)': main.cpp:109:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 109 | 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:134:22: 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] 134 | for(int i=1;i<connectionsWithCost.size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:149:35: 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] 149 | for (int i = 0; i < connectionsWithCost[head].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::shortestPathWithinKStops(int, int, int)': main.cpp:179:30: 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] 179 | for(int i=0;i<connectionsWithCost[destination].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::BfsZeroOne(int)': main.cpp:209:26: 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] 209 | 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:299:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 299 | 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:308:22: 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] 308 | for(int i=1;i<=connections.size();i++) | ~^~~~~~~~~~~~~~~~~~~~ main.cpp:320:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 320 | 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:365:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 365 | for(int i=0;i<connections[current_node].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solution::rusuoaica()': main.cpp:547:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 547 | for(int i=0;i<edges.size();i++) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Solution::oracol()': main.cpp:586:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 586 | 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:655:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 655 | for(int i=0;i<queries.size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:661:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 661 | for(int i=0;i<queries.size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:665:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]