Compilare: main.cpp: In member function 'int Neighbours::getValue(std::pair<int, int>)': main.cpp:19:64: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | if(i + indices.first >= indexedBy && i + indices.first < grid.size() | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp: In constructor 'Graph::Graph(int, int, std::vector<std::pair<int, int> >&)': main.cpp:102:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for (int i=0;i<edges.size();i++) { | ~^~~~~~~~~~~~~ main.cpp: In constructor 'Graph::Graph(int, std::vector<std::vector<int> >&, bool, bool)': main.cpp:116:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 116 | for (int i = 0; i < connections.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:124:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 124 | for(int i=0;i<connections.size();i++) { | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::getBipartition()': main.cpp:152:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 152 | for (int i = 0; i < connections[temp].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::shortestBridge(std::vector<std::vector<int> >&)': main.cpp:214:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 214 | for(int i=0;i<grid.size();i++) { | ~^~~~~~~~~~~~ main.cpp:216:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 216 | for (int j = 0; j < grid[i].size(); j++) | ~~^~~~~~~~~~~~~~~~ main.cpp:246:26: warning: unused variable 'breakFor' [-Wunused-variable] 246 | bool breakFor = false; | ^~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::topologicalSort()': main.cpp:284:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 284 | for(int i=0;i<precedence.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:294:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 294 | for(int i=0;i<connections[temp].size();i++) { | ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::transposeGraph(std::vector<std::vector<int> >&)': main.cpp:315:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 315 | for(int i=0;i<graph.size();i++) { | ~^~~~~~~~~~~~~ main.cpp:317:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 317 | for(int j=0;j<graph[i].size();j++) { | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::DFSforCriticalConnections(int, std::vector<int>&, std::vector<int>&, std::vector<std::vector<int> >&)': main.cpp:335:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 335 | for(int i=0;i<connections[node].size();i++) { | ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::pair<int, int> Graph::BFSFromOneNodeToAnother(int)': main.cpp:377:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 377 | for(int i=0;i<connections[current].size();i++) {