题目链接:https://www.nowcoder.com/acm/contest/118/E
看到大数直接套JAVA,但是后面MekakuCityActors大佬和我说可以找规律(>_<),仔细想想确实可以,下面是我的java实现代码:
import java.math.BigInteger;
import java.util.Scanner;
public class Main {
public static void main(String arg[]) {
Scanner sc = new Scanner(System.in);
while(sc.hasNext()) {
int T = sc.nextInt();
while((T--) > 0 ) {
BigInteger a = sc.nextBigInteger();
BigInteger b = sc.nextBigInteger();
System.out.println(a.multiply(b));
}
}
sc.close();
}
}