Break and continue, as well as exercises, handsome output 1 to 20

Time:2021-2-7

(44)break

You can jump out of the current loop or switch

(45)continue

Enter the next cycle

(46) exercise 1, handsome output 1 to 20

#include
 int main(void)
 {
     for(int i=1;i<=4;++i)
     {
         for(int j=1;i<=5;++j)
         {
             printf("%5d",j*i);
         }
         putchar('\n');
     }
     return 0;