foo.c: In function 'main':
foo.c:7:1: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
 if(a>b) n=a,a=b,b=n;
 ^~
foo.c:8:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  printf("%d %d %d",c,b,a);
  ^~~~~~
foo.c:4:1: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d %d %d",&a,&b,&c);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~

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