// modify adjustfield using manipulators
#include <iostream> // std::cout, std::internal, std::left, std::right
int main () {
int n = -77;
std::cout.width(6); std::cout << std::internal << n << '
';
std::cout.width(6); std::cout << std::left << n << '
';
std::cout.width(6); std::cout << std::right << n << '
';
return 0;
}