Eroare de compilare: main.cpp: In member function 'void FordFulkerson::init()': main.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int i=0; i<g.size(); i++){ | ~^~~~~~~~~ main.cpp:32:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for(int j=0; j<g[i].size(); j++){ | ~^~~~~~~~~~~~ main.cpp: In member function 'bool FordFulkerson::findAndUpdate(long long int, long long int, long long int&)': main.cpp:51:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i=0; i < eIndexes[u].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'std::vector<std::vector<std::pair<long long int, long long int> > > BuildDG(std::vector<std::vector<bool> >&)': main.cpp:90:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for(int u=0; u<g.size(); u++){ | ~^~~~~~~~~ main.cpp:94:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for(int v=0; v<g.size(); v++){ | ~^~~~~~~~~ main.cpp: In function 'void Reachable(int&, int&, std::vector<bool>&, std::vector<std::vector<bool> >&)': main.cpp:115:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 115 | for(int s=0; s<g.size(); s++){ | ~^~~~~~~~~ main.cpp: In function 'std::vector<std::vector<bool> > BuildTransitiveClosure(std::vector<std::vector<bool> >&)': main.cpp:125:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 125 | for(int u=0; u<g.size(); u++){ | ~^~~~~~~~~ main.cpp:129:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 129 | for(int v=0; v<g.size(); v++){ | ~^~~~~~~~~ At global scope: cc1plus: error: '::main' must return 'int' Non zero exit status: 1