Compilare: main.cpp: In function 'void LCA::init(int, int)': main.cpp:150:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 150 | for(auto [x, e] : g[node]) { | ^ main.cpp: In function 'void LCA::initrmq()': main.cpp:170:70: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 170 | 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:204:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 204 | for(auto [x, e] : g[node]) { | ^ main.cpp: In function 'int CENTR::find(int, int)': main.cpp:212:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 212 | for(auto [x, e] : g[node]) { | ^ main.cpp: In function 'void CENTR::add(int, int, int, int)': main.cpp:222:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 222 | for(auto [x, e] : g[node]) | ^ main.cpp: In function 'int CENTR::decomp(int, int)': main.cpp:244:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 244 | for(auto [x, e] : g[node]) { | ^ main.cpp:254:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 254 | for(auto [x, e] : g[node]) { | ^