Compilare: main.cpp: In lambda function: main.cpp:73:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for (int i = 0; i < biconex[biconex_id].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:80:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for (int i = 0; i < biconex[biconex_id].size() && ok; i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:84:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for (int j = 0; j < g[node].size() && ok; j++) { | ~~^~~~~~~~~~~~~~~~ main.cpp:94:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for (int i = 0; i < biconex[biconex_id].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In lambda function: main.cpp:116:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 116 | for (int i = 0; i < biconex[node].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:127:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | for (int j = 0; j < kids.size(); j++) { | ~~^~~~~~~~~~~~~ main.cpp: In lambda function: main.cpp:144:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 144 | for (int i = 0; i < biconex[id].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:182:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 182 | auto [biconex, bi_graph] = get_biconex(g); | ^ main.cpp:184:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 184 | auto [sol_cost , sol] = get_sol(s, g, biconex, bi_graph); | ^