Compilare: main.cpp: In member function 'int Neighbours::getValue(std::pair<int, int>)': main.cpp:28:64: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | if(i + indices.first >= indexedBy && i + indices.first < grid.size() | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp: In constructor 'Graph::Graph(bool)': main.cpp:122:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 122 | for (int i=0;i<parent.size();i++) parent[i] = i; | ~^~~~~~~~~~~~~~ main.cpp: In constructor 'Graph::Graph(int, int, std::vector<std::pair<int, int> >&)': main.cpp:135:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 135 | for (int i=0;i<edges.size();i++) { | ~^~~~~~~~~~~~~ main.cpp: In constructor 'Graph::Graph(int, std::vector<std::vector<int> >&, bool, bool)': main.cpp:149:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 149 | for (int i = 0; i < connections.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:157:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 157 | for(int i=0;i<connections.size();i++) { | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::getBipartition()': main.cpp:201:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 201 | for (int i = 0; i < connections[temp].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::shortestBridge(std::vector<std::vector<int> >&)': main.cpp:268:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 268 | for(int i=0;i<grid.size();i++) { | ~^~~~~~~~~~~~ main.cpp:270:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 270 | for (int j = 0; j < grid[i].size(); j++) | ~~^~~~~~~~~~~~~~~~ main.cpp:301:26: warning: unused variable 'breakFor' [-Wunused-variable] 301 | bool breakFor = false; | ^~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::topologicalSort()': main.cpp:341:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 341 | for(int i=0;i<precedence.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:351:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 351 | for(int i=0;i<connections[temp].size();i++) { | ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::transposeGraph(std::vector<std::vector<int> >&)': main.cpp:378:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 378 | for(int i=0;i<graph.size();i++) { | ~^~~~~~~~~~~~~ main.cpp:380:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 380 | 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:403:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 403 | for(int i=0;i<connections[node].size();i++) {