foo.c: In function 'main':
foo.c:19:22: warning: unknown conversion type character '\x0a' in format [-Wformat=]
   19 |         printf("%.2f%\n",cnt1*1.0/n*100.0);
      |                      ^~
foo.c:20:22: warning: unknown conversion type character '\x0a' in format [-Wformat=]
   20 |         printf("%.2f%\n",cnt2*1.0/n*100.0);
      |                      ^~
foo.c:21:22: warning: unknown conversion type character '\x0a' in format [-Wformat=]
   21 |         printf("%.2f%\n",cnt3*1.0/n*100.0);
      |                      ^~
foo.c:22:22: warning: unknown conversion type character '\x0a' in format [-Wformat=]
   22 |         printf("%.2f%\n",cnt4*1.0/n*100.0);
      |                      ^~

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