题解 | #十进制数转二进制数#
十进制数转二进制数
http://www.nowcoder.com/practice/90d2de77e05e497eacc85e6b50272900
import java.util.*;
public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int num = scanner.nextInt();
if (num == 0) System.out.print(0);
StringBuilder sb = new StringBuilder();
while (num!=0) {
int temp = num & 1;
sb.append(temp);
num >>= 1;
}
System.out.print(sb.reverse().toString());
}
}
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