Compilare: main.cpp: In function 'void dfs1(int, int)': main.cpp:16:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for( i = 0; i < v[x].size(); i++ ){ | ~~^~~~~~~~~~~~~ main.cpp: In function 'int dfs2(int, int)': main.cpp:27:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for( i = 0; i < v[x].size(); i++ ){ | ~~^~~~~~~~~~~~~ main.cpp:25:19: warning: variable 'intrat' set but not used [-Wunused-but-set-variable] 25 | int i, y, intrat; | ^~~~~~ main.cpp: In function 'void dfs3(int, int, int)': main.cpp:46:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | while( i < v[x].size() && r1 == -1 ){ | ~~^~~~~~~~~~~~~ main.cpp: In function 'void dfs4(int, int, int)': main.cpp:59:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for( i = 0; i < v[x].size(); i++ ){ | ~~^~~~~~~~~~~~~ main.cpp: In function 'void solve(int, int)': main.cpp:76:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | while( i < v[root].size() && r1 == -1 ){ | ~~^~~~~~~~~~~~~~~~ main.cpp:87:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | while( i < v[root].size() && r1 == -1 ){ | ~~^~~~~~~~~~~~~~~~