Compilare: main.cpp: In function 'void LCA::init(int, int)': main.cpp:35:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 35 | for(auto [x, e] : g[node]) { | ^ main.cpp: In function 'void LCA::initrmq()': main.cpp:55:70: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 55 | rmq[step][i] = merge(rmq[step - 1][i], rmq[step - 1][i + (1 << step - 1)]); | ~~~~~^~~ main.cpp: In function 'int CENTR::init(int, int)': main.cpp:89:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 89 | for(auto [x, e] : g[node]) { | ^ main.cpp: In function 'int CENTR::find(int, int)': main.cpp:97:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 97 | for(auto [x, e] : g[node]) { | ^ main.cpp: In function 'void CENTR::add(int, int, int, int)': main.cpp:107:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 107 | for(auto [x, e] : g[node]) | ^ main.cpp: In function 'int CENTR::decomp(int, int)': main.cpp:129:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 129 | for(auto [x, e] : g[node]) { | ^ main.cpp:139:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 139 | for(auto [x, e] : g[node]) { | ^