Compilare: main.cpp:15:28: warning: integer overflow in expression of type 'int' results in '2147483647' [-Woverflow] 15 | const int INF = (1<<31)-1; | ~~~~~~~^~ main.cpp: In constructor 'graph::graph(int, int, std::vector<std::vector<int> >&)': main.cpp:43:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for( int j = 0; j < ad[i].size(); ++j) | ~~^~~~~~~~~~~~~~ main.cpp: In constructor 'graph::graph(int, int, std::vector<std::vector<int> >&, std::vector<std::vector<int> >&)': main.cpp:51:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for( int j = 0; j < ad[i].size(); ++j){ | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'void graph::DFS(int, bool*)': main.cpp:82:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for( int i = 0; i < Ad[nod].size(); ++i ){ | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::DFS_r(int, std::vector<bool>&, std::vector<std::vector<int> >&, std::vector<int>&)': main.cpp:90:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for( int i = 0; i < ad[nod].size(); ++i ){ | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::BFS(int)': main.cpp:107:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | for( int i = 0; i < Ad[x].size(); ++i ){ | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'void graph::Kruskal()': main.cpp:191:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 191 | for( int i = 0; i < Sol.size(); ++i ) | ~~^~~~~~~~~~~~ main.cpp: In member function 'void graph::Dijkstra(int)': main.cpp:208:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 208 | for( int i = 0; i < Ad[nod].size(); ++i ){ | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::BellmanFord(int)': main.cpp:240:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 240 | for( int i = 0; i < Ad[nod].size(); ++i ){ | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::TopoDFS(int, std::vector<bool>&, std::stack<int>&)': main.cpp:274:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 274 | for( int i = 0; i < Ad[nod].size(); ++i ){ | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > graph::StronglyConnectedComponents()': main.cpp:299:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 299 | for( int j = 0; j < Ad[i].size(); ++j) | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'int** graph::RoyFloyd()': main.cpp:332:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 332 | for( int j = 0; j < Ad[i].size(); ++j ) | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'void graph::DFS_diameter(int, int, int, int&, int&)': main.cpp:354:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 354 | for( int i = 0; i < Ad[nod].size(); ++i )