printf()转义序列和转换字符

#include <stdio.h>
int main()
{

    printf("Quantity/tCost/tTotal/n");

    printf("%d/t/t$%.2f/t$%.2f/n", 3, 9.99, 29.97);

    printf("/b/b/b/b can be fixed with the ");

    printf("//%c Escape character/n", 'b');

    printf("/n/a/n/a/n/a/n/aSkip a few lines, and beep ");

    printf("a few beeps./n/n/n");

    printf("%s %c.", "You are kicking butt learning", 'C');

    printf("%d./n", 4);

    printf("%.1f%c of the book./n", 12.500, '%');

    printf("/n/nOne third equals %.2f or ", 0.333333);

    printf("%.3f or %.4f or ", 0.333333, 0.333333);

    printf("%.5f or %.6f/n/n/n", 0.333333, 0.3333333);
    return 0;
}