Compilare: main.cpp: In function 'void computesz(int, int)': main.cpp:28:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0 ;h < g[node].size() ; h++){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int findcentroid(int, int, int)': main.cpp:38:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0 ; h < g[node].size() ; h++){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void gather(int, int, int, int)': main.cpp:64:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0 ; h < g[node].size() ; h++){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void solve(int)': main.cpp:106:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ; i < v.size() ; i++){ ~~^~~~~~~~~~ main.cpp:158:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0 ; h < g[centroid].size() ; h++){ ~~^~~~~~~~~~~~~~~~~~~~