Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:11:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for (int i=0;i<v[x].size();i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfs2(int, int)': main.cpp:24:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for (int i=0;i<gr[x].size();i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'bool cupleaza(int)': main.cpp:38:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int i=0;i<cuplaj[x].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:46:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for (int i=0;i<cuplaj[x].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void solve(int, int)': main.cpp:60:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for (int i=0;i<v[x].size();i++) | ~^~~~~~~~~~~~ main.cpp:89:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for (k=0;k<v[x].size();k++) | ~^~~~~~~~~~~~ main.cpp:91:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for (t=0;t<gr[j].size();t++) | ~^~~~~~~~~~~~~ main.cpp:105:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for (k=0;k<v[x].size();k++) | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:195:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 195 | for (j=0;j<v[i].size();j++) | ~^~~~~~~~~~~~ main.cpp:206:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 206 | for (j=0;j<gr[i].size();j++) | ~^~~~~~~~~~~~~