Compilare: main.cpp: In function 'int src(int)': main.cpp:21:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<hs>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i=0; i<table[m].size(); i++){ | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void add(int)': main.cpp:29:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<hs>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(int i=0; i<table[m].size(); i++){ | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void sub(int)': main.cpp:39:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<hs>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i=0; i<table[m].size(); i++){ | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:51:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i=0; i<v[start].size(); i++){ | ~^~~~~~~~~~~~~~~~