Compilare: main.cpp:52:6: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] 52 | } fi("cangrena.in"); | ^~~~~~~~~~~~~ main.cpp: In function 'bool ok(ll, int)': main.cpp:65:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 65 | auto [d, nod] = PQ.top(); PQ.pop(); | ^