数字问题等你来解决~~~
											大家先来分析分析思路~~~~~~~~~~~~~~----键盘输入一个高精度的正整数N,去掉其中任意S个数字后剩下的数字按左右次序组成一个新的正整数。对给定的N和S,寻找一种删数规则使得剩下得数字组成的新数最小。
输入:1675428
3
输出:1428
输入:1645827
3
输出:1427
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