Compilare: main.cpp: In function 'int main()': main.cpp:38:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int i = 0; i<total.size(); i++) { | ~^~~~~~~~~~~~~ main.cpp:39:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (int j = 0; j<total.size(); j++) { | ~^~~~~~~~~~~~~ main.cpp:60:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for (int k = 0; k<total.size(); k++) { | ~^~~~~~~~~~~~~ main.cpp:61:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for (int i = 0; i<total.size(); i++) { | ~^~~~~~~~~~~~~ main.cpp:62:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for (int j = 0; j<total.size(); j++) { | ~^~~~~~~~~~~~~ main.cpp: In function 'void kosaraju()': main.cpp:113:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for (int i = 0; i<total.size(); i++) { | ~^~~~~~~~~~~~~ main.cpp:114:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | for (int j = 0; j<total[i].size(); j++) { | ~^~~~~~~~~~~~~~~~