题解 | #大数乘法#
大数乘法
http://www.nowcoder.com/practice/c4c488d4d40d4c4e9824c3650f7d5571
使用java的库函数BigInteger:
public String solve (String s, String t) { // write code here BigInteger ss = new BigInteger(s); BigInteger tt = new BigInteger(t); return ss.multiply(tt).toString(); }