1) printf("%d, %i", x, x);
2) printf("%o", x);
3) printf("%h, %H", x, x);
4) int, char, short, long, long long, unsigned int, unsigned char, unsigned short, unsigned long, unsigned long long
5) различный динамический диапазон
6) unsigned int foo = 0xFFFFFFFF; printf("%d", ++foo); //
7) printf("%d, %i", x, x);
8) printf("%l", x);
9) do {тело цикла} while(условие);
10) printf("%ul", x);

std::cout << hex << x;