Compilare: main.cpp: In function 'int ST0::caut(int, int, int)': main.cpp:175:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 175 | for(auto [lin, coef] : E) { | ^ main.cpp: In function 'int ST1::caut(int, int, int)': main.cpp:228:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 228 | for(auto [lin, coef] : E) { | ^