Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] #import <fstream> ^~~~~~ main.cpp:3:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main() ^ main.cpp: In function 'int main()': main.cpp:8:25: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses] for (;p/=2;r += t / 2 < n - k | o + t < 2 * n - k?p:0) ~~~~~~^~~~~~~