Borderou de evaluare (job #835962)

Compilare: main.cpp: In function 'int main()': main.cpp:50:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 50 | for(auto [A,B]:q)cout<<col[B]-col[A-1]<<'\n'; | ^ main.cpp:11:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 11 | freopen("cartofi.in","r",stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:12:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 12 | freopen("cartofi.out","w",stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~