Compilare: main.cpp: In function 'void dfs(int)': main.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | while(used[start] < v[start].size()) { | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void prelucrare()': main.cpp:53:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for(int i = 0; i < ans.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:60:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | if(ult < ans.size()) | ~~~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:88:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | if(intra[i] != v[i].size()) { ///avem de ajustat | ~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:89:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | while(intra[i] < v[i].size()) { ///mai multe sa intre in el | ~~~~~~~~~^~~~~~~~~~~~~ main.cpp:94:31: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 94 | while(v[i].size() < intra[i]) { | ~~~~~~~~~~~~^~~~~~~~~~