有关输出对齐格式

来源:互联网 发布:metamorphosis java 编辑:程序博客网 时间:2024/05/22 03:08

输出的对其格式:
printf("%4.d\n",1);
printf("%4.d\n%4.d\n%4.d\n",3,12,1123);
printf("%-10s%d\n",s,12);
%4.xx  使输出右对齐;不足4位用空格;
%.4xx  使小数保留4位小数,若该数为整形,不足四位前填0;多余4位原样输出;
%-4.xx 使输出的数左对齐;
%-10s  使字符串左对齐输出,不足10位,后加空格;
%10s   使字符串右对齐输出,不足10位,前加空格;
%10.s  不输出字符,只输出10位空格;
%.10s  字符原样输出;

可看代码:

#include<stdio.h>
int main()
{
printf("%4.d%4.d%4.d\n",1,34,12344);
printf("%4.d\n%4.d\n%4.d\n",3,12,11123);  //右对齐;不足四位,前加空格;
printf("%.4d\n%.4d\n%.4f\n%.4f\n",23,2342,2.3,343.32);  //对小数,保留四位小数;对整数,不足四位,前加零;
printf("%-4.d%-4d\n",1,23423);  //左对齐;不足四位,后加空格;
printf("%-10s%-10s\n","asdsd","asdsfdgfhgh");  //不足十位,后加空格;
printf("%10s%10s\n","sdsfsf","sdsfdsgsgf");  //不足十位,前加空格;
printf("%10.sq\n","asdaff");  //输出十个空格;
printf("%.10s%.10s\n","asdad","sdsfdsgfgg"); //字符串原样输出;
}

结果如下:

0 0
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