friends.sol

ulm大学1996-1999年的竞赛题和解题报告

{}
{ABC}
{ABCDEFGHIJKLMNOPQRSTUVWXYZ}
{}
{A}
{AZ}
{ABCDEFGZ}
{ABC}
{AB}
{ABCDEFGHIJKLMNOPQRSUVWYZ}
{ABD}
{ABCE}
{CE}
{CDEFGIJKLMNOPQRSTUVWXYZ}
{ABD}
{ABCDEFGIJKLMNOPQRSTUVWXYZ}
{BYZ}
{BY}