/*----------------------------------------------------------------
// @copyright
// content:a^3=b^3+c^3+d^3;
// 1<a,b,c,d<=N;
// b<=c<=d;
// input:N(N<=100);
// output:Cube=a, Triple=(b,c,d);
if the result contains more than one 'a',
then first print the answer with smaller 'b', etc.
// author:szetrov
//---------------------------
C/C++_log2000_完美立方
