Compilare: main.cpp: In member function 'int Neighbours::getValue(std::pair<int, int>)': main.cpp:32:64: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | 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:142:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 142 | for (int i=0;i<edges.size();i++) { | ~^~~~~~~~~~~~~ main.cpp: In constructor 'Graph::Graph(int, std::vector<std::vector<int> >&, bool)': main.cpp:154:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 154 | for (int i = 0; i < connections.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:160:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 160 | for(int i=0;i<connections.size();i++) { | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::getBipartition()': main.cpp:194:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 194 | for (int i = 0; i < connections[temp].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::shortestBridge(std::vector<std::vector<int> >&)': main.cpp:245:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 245 | for(int i=0;i<grid.size();i++) { | ~^~~~~~~~~~~~ main.cpp:247:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 247 | for (int j = 0; j < grid[i].size(); j++) | ~~^~~~~~~~~~~~~~~~ main.cpp:278:26: warning: unused variable 'breakFor' [-Wunused-variable] 278 | bool breakFor = false; | ^~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::topologicalSort(bool)': main.cpp:311:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 311 | for(int i=0; i<connections.size(); i++) { | ~^~~~~~~~~~~~~~~~~~~ main.cpp:324:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 324 | for(int i=0;i<precedence.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:334:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 334 | for(int i=0;i<connections[temp].size();i++) { | ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::transposeGraph()': main.cpp:357:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 357 | for(int i=0;i<connections.size();i++) { | ~^~~~~~~~~~~~~~~~~~~ main.cpp:358:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 358 | 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:371:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 371 | for(int i=0;i<connections[node].size();i++) { | ~^~~~~~~~~~~~~~~~~~~~~~~~~