Eroare de compilare: main.cpp: In function 'void min_cost_max_flow(int, int, int)': main.cpp:37:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 37 | if (in_queue[u]) continue; in_queue[u] = true; | ^~ main.cpp:37:40: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 37 | if (in_queue[u]) continue; in_queue[u] = true; | ^~~~~~~~ main.cpp:38:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int i = 0; i < graph[u].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~ main.cpp:62:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 62 | if (dist[u] < d) continue; in_queue[u] = true; | ^~ main.cpp:62:44: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 62 | if (dist[u] < d) continue; in_queue[u] = true; | ^~~~~~~~ main.cpp:63:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for (int i = 0; i < graph[u].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~ main.cpp:69:42: error: cannot convert '<brace-enclosed initializer list>' to '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} in assignment 69 | parent[v] = {u, i}; | ^ main.cpp:76:51: error: request for member 'first' in 'parent.std::vector<int>::operator[](((std::vector<int>::size_type)v))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 76 | for (int v = t; v != s; v = parent[v].first) { | ^~~~~ main.cpp:77:43: error: request for member 'first' in 'parent.std::vector<int>::operator[](((std::vector<int>::size_type)v))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 77 | Edge &e = graph[parent[v].first][parent[v].second]; | ^~~~~ main.cpp:77:60: error: request for member 'second' in 'parent.std::vector<int>::operator[](((std::vector<int>::size_type)v))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 77 | Edge &e = graph[parent[v].first][parent[v].second]; | ^~~~~~ main.cpp:85:51: error: request for member 'first' in 'parent.std::vector<int>::operator[](((std::vector<int>::size_type)v))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 85 | for (int v = t; v != s; v = parent[v].first) { | ^~~~~ main.cpp:86:43: error: request for member 'first' in 'parent.std::vector<int>::operator[](((std::vector<int>::size_type)v))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 86 | Edge &e = graph[parent[v].first][parent[v].second]; | ^~~~~ main.cpp:86:60: error: request for member 'second' in 'parent.std::vector<int>::operator[](((std::vector<int>::size_type)v))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 86 | Edge &e = graph[parent[v].first][parent[v].second]; | ^~~~~~ main.cpp: In function 'int main()': main.cpp:131:22: error: 'z' was not declared in this scope 131 | G += z; // Wait — how do we get the original value? We need to track it during input. | ^ Non zero exit status: 1