Borderou de evaluare (job #856749)

Compilare: main.cpp: In function 'bool este_conectat()': main.cpp:78:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 78 | for (auto [x, y] : negre) { | ^ main.cpp: In function 'int main()': main.cpp:85:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 85 | freopen("convex.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:86:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 86 | freopen("convex.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~