Eroare de compilare: main.cpp: In member function 'InParser& InParser::operator>>(int&)': main.cpp:40:11: error: 'isdigit' was not declared in this scope 40 | while (!isdigit(c = read_ch()) && c != '-'); | ^~~~~~~ main.cpp:48:10: error: 'isdigit' was not declared in this scope 48 | while (isdigit(c = read_ch())) { | ^~~~~~~ main.cpp: In member function 'InParser& InParser::operator>>(long long int&)': main.cpp:58:11: error: 'isdigit' was not declared in this scope 58 | while (!isdigit(c = read_ch()) && c != '-'); | ^~~~~~~ main.cpp:66:10: error: 'isdigit' was not declared in this scope 66 | while (isdigit(c = read_ch())) { | ^~~~~~~ main.cpp: In function 'int Dijk1::one_step()': main.cpp:152:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 152 | auto [d, nod] = V.top(); | ^ main.cpp:156:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 156 | for(auto [it, w] : L[nod]) | ^ main.cpp: In function 'int Dijk2::one_step()': main.cpp:193:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 193 | auto [d, nod] = V.top(); | ^ main.cpp:197:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 197 | for(auto [it, w] : L[nod]) | ^ main.cpp: In function 'int main()': main.cpp:251:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 251 | for(auto [it, w] : L[u]) { | ^ Non zero exit status: 1