Compilare: main.cpp: In function 'void dfs(int)': main.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i = 0; i < edge[node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs1(int, int)': main.cpp:33:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for(int i = 0; i < revedge[node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:60:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(int j = 0; j < edge[i].size(); j++){ | ~~^~~~~~~~~~~~~~~~ main.cpp:79:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for(int i = 0; i < edgecom[curr].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:94:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for(int i = 0; i < revedgecom[curr].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:107:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | for(int j = 0; j < chiarcomponenta[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:112:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | for(int i = 0; i < rasp.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:103:9: warning: unused variable 'ans' [-Wunused-variable] 103 | int ans = 0; | ^~~