Compilare: main.cpp: In function 'void LCA::init(int, int)': main.cpp:39:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 39 | for(auto [x, e] : g[node]) { | ^ main.cpp: In function 'void LCA::initrmq()': main.cpp:59:70: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 59 | 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:91:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 91 | for(auto [x, e] : g[node]) { | ^ main.cpp: In function 'int CENTR::find(int, int)': main.cpp:99:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 99 | for(auto [x, e] : g[node]) { | ^ main.cpp: In function 'void CENTR::add(int, int, int, int)': main.cpp:109:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 109 | for(auto [x, e] : g[node]) | ^ main.cpp: In function 'int CENTR::decomp(int, int)': main.cpp:127:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 127 | for(auto [x, e] : g[node]) { | ^ main.cpp:134:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 134 | for(auto [x, e] : g[node]) { | ^