Compilare: main.cpp: In function 'void dfs1(int)': main.cpp:27:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for (i = 0; i<v[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'int constrlant(int, int)': main.cpp:52:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for (j = 0; j<v[i].size(); j++) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfs2(int, int)': main.cpp:107:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | for (i = 0; i<vc[x].size(); i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:152:32: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 152 | dist[j] = marc[j] = nrn[j] = 0; | ~~~~~~~^~~