Compilare: main.cpp: In function 'void compressChain(int, int, int)': main.cpp:23:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i = 0;i < g[node].size();i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp:35:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for(int i = 0;i < g[node].size();i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int DFS(int, int, int)': main.cpp:54:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int i = 0;i < rep.size();i++) { | ~~^~~~~~~~~~~~ main.cpp:63:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int i = 0;i < g[node].size();i++) { | ~~^~~~~~~~~~~~~~~~