Compilare: main.cpp: In member function 'int Neighbours::getValue(std::pair<int, int>)': main.cpp:36:64: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | 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:151:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 151 | for (int i=0;i<edges.size();i++) { | ~^~~~~~~~~~~~~ main.cpp: In constructor 'Graph::Graph(int, std::vector<std::vector<int> >&, bool)': main.cpp:163:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 163 | for (int i = 0; i < connections.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:169:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 169 | for(int i=0;i<connections.size();i++) { | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::getBipartition()': main.cpp:203:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 203 | for (int i = 0; i < connections[temp].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::shortestBridge(std::vector<std::vector<int> >&)': main.cpp:254:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 254 | for(int i=0;i<grid.size();i++) { | ~^~~~~~~~~~~~ main.cpp:256:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 256 | for (int j = 0; j < grid[i].size(); j++) | ~~^~~~~~~~~~~~~~~~ main.cpp:287:26: warning: unused variable 'breakFor' [-Wunused-variable] 287 | bool breakFor = false; | ^~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::topologicalSort(bool)': main.cpp:320:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 320 | for(int i=0; i<connections.size(); i++) { | ~^~~~~~~~~~~~~~~~~~~ main.cpp:333:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 333 | for(int i=0;i<precedence.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:343:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 343 | for(int i=0;i<connections[temp].size();i++) { | ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::transposeGraph()': main.cpp:366:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 366 | for(int i=0;i<connections.size();i++) { | ~^~~~~~~~~~~~~~~~~~~ main.cpp:367:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 367 | for(int j=0;j<connections[i].size();j++) { | ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::DFSforCriticalConnections(int, std::vector<int>&, std::vector<int>&, std::vector<std::vector<int> >&, std::vector<bool>&)': main.cpp:380:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 380 | for(int i=0;i<connections[node].size();i++) { | ~^~~~~~~~~~~~~~~~~~~~~~~~~